Compaq Evo n180 Maintenance and Service Guide Compaq Evo N180 Series
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- Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 1
Service Guide Compaq Notebook Evo N180 Series Document Part Number: 263815-001 December 2001 This guide is a troubleshooting reference used for maintaining and servicing the notebook. It provides comprehensive information on identifying computer features, components, and spare parts, troubleshooting - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 2
notice. The warranties for Compaq products are set forth in the express limited warranty statements accompanying such products. Nothing herein should be construed as constituting an additional warranty. Maintenance and Service Guide First Edition December 2001 Document Part Number: 263815-001 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 3
1-10 1.3 Clearing a Password 1-12 1.4 Power Management 1-13 1.5 Computer External Components 1-14 1.5 Design Overview 1-24 2 Troubleshooting 2.1 Using the PhoenixBIOS Setup Utility 2-1 2.2 Troubleshooting Flowcharts 2-2 3 Illustrated Parts Catalog 3.1 Serial Number Location 3-1 3.2 Computer - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 4
Cell RTC Battery 5-24 5.13 Display 5-26 5.14 Top Cover 5-30 5.15 PC Card Assembly 5-32 5.16 Charger Board 5-35 5.17 Audio Board 5-37 5.18 Keyboard Support Plate 5-39 5.19 Speaker Assembly 5-40 5.20 Fan 5-42 5.21 System Board 5-44 5.22 Modem Cable 5-48 iv Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 5
6 Specifications A Connector Pin Assignments B Power Cord Set Requirements 3-Conductor Power Cord Set B-1 General Requirements B-1 Country-Specific Requirements B-2 Notes B-2 C Screw Listing Index Maintenance and Service Guide v - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 6
offers advanced modularity, Intel Mobile Pentium III and Intel CeleronT processors with 64-bit architecture, industry-leading Accelerated Graphics Port (AGP) implementation, and extensive multimedia support. Figure 1-1. Compaq Notebook Evo N180 Maintenance and Service Guide 1-1 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 7
CD-ROM V = DVD-ROM W = DVD-RW R = CD-RW 7 Integrated communication M = modem 0 = none 8 RAM 51 = 512 MB 25 = 256 MB 12 = 128 MB 9 Battery cells/type L = 8 cells, Lithium ion (Li ion) 10 Operating system 2 = Windows 2000 11 SKU# Computer part number 1-2 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 8
Compaq Notebook Evo N180 drive N18 P 120 P5 30 V M 25 L 2 SKU# All models in this section have a configuration code of KDKE. Europe 470020-393 Italy 470020-401 Germany 470020-400 United Kingdom 470023-503 Video memory = 32 MB; Future Bay device = CD-RW drive Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 9
Description Table 1-1 Compaq Notebook Evo N180 Models and Model Naming Conventions (Continued) Build-to-Order Models 123 4 5 6 7 8 9 10 11 N18 P 100 P5 30 V M 51 L 2 SKU# United States Configuration code = KDK7 470020-367 Video memory = 16 MB; Future Bay device = CD-RW drive N18 P 100 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 10
Description Table 1-1 Compaq Notebook Evo N180 Models and Model Naming Conventions (Continued) Build-to-Order Models 123 4 5 6 7 8 9 10 11 N18 P 100 X5 20 V M 25 L 2 SKU# Germany Configuration code = KDKX 470024-185 Video memory = 32 MB; Future Bay device = diskette drive N18 P 100 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 11
Compaq Notebook Evo N180 Models and Model Naming Conventions (Continued) Configure-to-Order Models All configure-to-order models: ■ Are United States models. ■ Have a configuration code of FP8Z. ■ Contain a 1.44-MB diskette drive in the Future Bay. ■ Contain 32 MB of video memory and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 12
Product Description Table 1-1 Compaq Notebook Evo N180 Models and Model Naming Conventions (Continued) Configure-to-Order Models 123 4 5 6 7 8 9 10 11 N18 P 120 X5 30 V M 51 -318 N18 P 106 P5 20 W M 25 L 2 470025-320 N18 P 106 P5 20 W M 25 L 2 470025-322 Maintenance and Service Guide 1-7 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 13
Product Description Table 1-1 Compaq Notebook Evo N180 Models and Model Naming Conventions (Continued) Configure-to-Order Models 123 4 5 6 7 8 9 10 11 N18 P 106 P5 20 V M 51 L 2 P 106 X5 30 V M 25 32 F 470025-358 N18 P 106 X5 30 V M 25 32 F 470025-360 1-8 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 14
Product Description Table 1-1 Compaq Notebook Evo N180 Models and Model Naming Conventions (Continued) Configure-to-Order Models 123 4 5 6 7 8 9 10 11 N18 P 106 X5 20 W M 51 16 N18 P 106 X5 20 V M 25 32 F 470025-332 N18 P 106 X5 20 V M 25 32 F 470025-336 Maintenance and Service Guide 1-9 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 15
Mobility Radeon with 64-bit video graphics, video memory expandable from 8 to 32 MB, and a 4X AGP graphics card ■ 128- or 256-MB high-performance Synchronous ❏ 15.0-inch XGA, TFT ■ Full-size keyboard with TouchPad pointing device and 4-way Internet scroll button 1-10 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 16
, with mini PCI V.90 modem ■ Support for one Type I/II/III PC Card slot with support for both 32-bit CardBus and 16-bit PC Cards ■ External 60W AC adapter with power cord ■ 8-cell Lithium ion (Li ion) battery pack ■ 30-, 20-, or 10-GB high-capacity hard drive, varying by computer model ■ Connectors - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 17
"). 3. Wait approximately five minutes. 4. Replace the RTC battery and reassemble the computer. 5. Connect AC power to the computer. Do not reinsert any battery packs at this time. 6. Turn on the computer. All passwords and all CMOS settings have been cleared. 1-12 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 18
by the user ■ Hotkeys for setting level of performance ■ Smart battery that provides an accurate battery power gauge ■ Battery calibration ■ Lid switch suspend/resume ■ Power/suspend button ■ Advanced Configuration and Power Management (ACP) compliance Maintenance and Service Guide 1-13 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 19
Side Components Table 1-2 Front and Right Side Components Item 1 2 Component Display release latch Stereo speakers (2) Function Opens the computer. Produce stereo sound. 1-14 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 20
a low-battery condition. Connects stereo speakers, headphones, headset, or television audio. Connects a mono microphone, disabling the built-in microphone. Accepts Future Bay devices, such as a diskette drive, optical drive, hard drive, or optional battery pack. Maintenance and Service Guide 1-15 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 21
Vents (3) Allow airflow to cool internal components. Ä CAUTION: To prevent damage, the computer shuts down if an overheating condition occurs. Do not block the cooling vents. Avoid placing the Connects a television, VCR, camcorder, or overhead projector. 1-16 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 22
■ AC adapter ■ Optional automobile power adapter/charger ■ Optional aircraft power adapter Attaches an optional security cable to the computer. Supports a 32-bit (CardBus) or 16-bit PC Card. Ejects a PC Card from the PC Card slot. Accepts a CD- or DVD-ROM drive. Maintenance and Service Guide 1-17 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 23
Product Description The keyboard components are shown in Figure 1-4 and described in Table 1-4. Figure 1-4. Keyboard Components 1-18 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 24
Product Description Table 1-4 Keyboard Components Item 1 2 3 4 5 Component F1 through F12 function keys Numeric Turns on the numeric lock function. Converts keys to numeric keypad. Move the cursor around the screen. Displays a menu when using a Microsoft application. The menu is the same one that - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 25
power light also blinks if a battery pack that is the only available power source reaches a low-battery condition. On: Caps lock is on. Provide quick access to the Internet. Refer to the hardware guide that ships with the computer for information about these buttons. 1-20 Maintenance and Service - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 26
stereo sound. On: A battery pack is charging. Blinking: A battery pack that is the only available power source has reached a low-battery condition. Turns on when the hard drive CD- or DVD-ROM drive is accessed. Scrolls the screen left, right, up, and down. Maintenance and Service Guide 1-21 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 27
1 Tilt feet (2) Tilt the computer for ease of use. 2 Vents (3) Allow airflow to cool internal components. Ä CAUTION: To prevent damage, the computer shuts down if an overheating condition occurs. Do not block the cooling vents. Avoid placing the computer on a blanket, rug, or other flexible - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 28
be needed when you call Compaq customer support or use some Windows operating systems. Opens the computer. Accepts an 8-cell Lithium ion (Li ion) battery pack. Releases the battery pack from the battery compartment. Covers the two memory expansion slots, the video memory expansion slot, and the mini - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 29
3, "Illustrated Parts Catalog," to identify replacement parts, and Chapter 5, "Removal and Replacement Procedures," for disassembly steps. The system board provides the following device connections: ■ Memory expansion board ■ Video memory expansion board ■ Hard drive ■ Display ■ Keyboard ■ TouchPad - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 30
default settings such as date and time, types of disk drives, power management, and password settings. To run PSU, press the F10 key during system startup. When the main screen displays, use the keyboard and arrow keys to move around the menus and make selections. Maintenance and Service Guide 2-1 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 31
, part 2 No OS loading from hard drive, part 3 No OS loading from diskette drive No OS loading from CD- or DVD-ROM drive No audio, part 1 No audio, part 2 Nonfunctioning device Nonfunctioning keyboard Nonfunctioning pointing device No network or modem connection 2-2 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 32
Flowchart 2.1 - Initial Troubleshooting Begin troubleshooting. N Is there power? Y Go to Section 2.2, No Power. N Beeps, LEDs, or error messages? Y Check LED board, speaker connections. N Is there video? (no boot) Y Go to Section 2.6, No Video. N Is the OS loading? Go to Section - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 33
Troubleshooting Flowchart 2.2 - No Power, Part 1 No Power (power LED is off). Remove from docking station (if applicable). N Power up on battery power? Y *Reset power. N Power up on battery power? Y Go to Section 2.3, No Power, Part 2. N Power up on AC power? Y *Reset power. N Power up on - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 34
in battery socket and clean if necessary. Y Power on? N Done Check battery by recharging, moving it to another computer, or replacing it. N Power on? Y Replace power supply (if applicable). N Done Power on? Y Go to Section 2.4, No Power, Part 3. Done Maintenance and Service Guide 2-5 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 35
source. Y Power on? N N Power outlet active? Y Replace power cord. Y Power on? N Done Done Try different outlet. External Internal or external AC adapter? Replace external AC adapter. Internal Go to Section 2.5, No Power, Part 4. N Power on? Y Done Done 2-6 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 36
? Y Done Replace the following items (if applicable). Check computer operation after each replacement: 1. Internal DC-DC converter* 2. Internal AC adapter 3. Processor board* 4. System board* *Replace these items as a set to prevent shorting out among components. Maintenance and Service Guide 2-7 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 37
after each replacement. 1. Cable between notebook and computer display (if applicable) 2. Inverter board (if applicable) 3. Display 4. System board N N Video OK? Try another display. Internal and external video OK? Replace system board. Y Y Done Done 2-8 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 38
Troubleshooting Flowchart 2.7 - No Video, Part 2 Continued from Section 2.6, No Video, Part 1. Remove notebook from docking station, if connected. Adjust display brightness. Check brightness of external monitor. N Video OK? Y Go to "A" in Section 2.6, No Video, Part and Service Guide 2-9 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 39
) Nonfunctioning Docking Station. Reseat power cord in docking station and power outlet. Check voltage setting on docking station. Reset monitor cable connector at docking station. Y Docking station operating? N Remove notebook, reseat all internal parts, and replace any damaged items in docking - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 40
Troubleshooting Flowchart 2.9 - No Operating System (OS) Loading No OS Loading*. Reseat power cord in docking station and power outlet. No OS loading from hard drive, go to Section 2.10. No OS loading from diskette drive, go to Section 2.13. No OS loading from CD- or DVD-ROM drive, go to Section - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 41
booting order. N Boot from diskette? Y Go to Section 2.13, No OS Loading from Diskette Drive. N Boot from hard drive? Y Done Change boot priority through the setup utility and reboot. N Boot from hard drive? Y Go to Section 2.17, Nonfunctioning Device. 2-12 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 42
Troubleshooting Flowchart 2.11 - No OS Loading from Hard Drive, Part 2 Continued from Section 2.10, No OS Loading from Hard Drive, Part 1. N CD or diskette in drive? Y 1. Replace hard drive. 2. Replace system board. Reseat hard drive. Y Hard drive accessible? Done Remove diskette and reboot. - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 43
sectors be fixed? Y Clean virus. Y OS loading from hard drive? N Y Diagnostics on diskette? N Replace hard drive. Run diagnostics and follow recommendations. N Fix bad sectors. Boot from hard drive? Replace hard drive. Y Done Replace hard drive. Done 2-14 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 44
. Y Check diskette for system files. Try different diskette. Y Nonsystem disk error? N 1. Replace diskette drive. 2. Replace system board. Y OS loading? Done N Change boot priority using the setup utility. Go to Section 2.17, Nonfunctioning Device. Maintenance and Service Guide 2-15 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 45
from another device? Y Y Booting order correct? N Done Go to Section 2.17, Nonfunctioning Device. Clear CMOS. Refer to Section 1.2, "Clearing a Password," for instructions. Correct boot order using the setup utility. Go to Section 2.17, Nonfunctioning Device. 2-16 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 46
Troubleshooting Flowchart 2.15 - No Audio, Part 1 Y No Audio. Turn up audio internally or externally. Audio? Done N Y Notebook in docking station (if applicable)? N Undock N Internal audio? Go to Section 2.16, No Audio, Part 2. Y Go to Section 2.16, No Audio, Part 2. Replace the - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 47
Troubleshooting Flowchart 2.16 - No Audio, Part 2 Continued from Section 2.15, No Audio, Part 1. N Audio driver in OS configured? Y Reload audio drivers. N Correct drivers for application? Y Load drivers and set configuration in OS. Connect to external speaker. N Audio? Y Replace audio board - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 48
or other damage. Y Any physical device? N Fix or replace broken item. Reattach device. Close notebook, plug in power, and reboot. N Device boots properly? Y Possible bad hard drive. Replace drive. Possible bad NIC. Replace card. If integrated NIC, replace system board. Go to Section 2.9, No OS - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 49
operating properly. Connect notebook to good external keyboard. N External device works? Y Replace system board. Reseat internal keyboard connector (if applicable). N OK? Y Replace internal keyboard or cable. Y Done OK? N Replace system board. Done 2-20 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 50
. Connect notebook to good external pointing device. N External device works? Y Replace system board. Reseat internal pointing device connector (if applicable). N Replace internal OK? pointing device or cable. Y Y Done OK? N Replace system board. Done Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 51
to non-digital line. N N NIC/modem configured in OS? Reload drivers and reconfigure. Y N Y OK? Disconnect all power from the notebook and open. Reseat NIC/modem (if applicable). Replace NIC/modem (if applicable). Y OK? N Done Done Replace system board. 2-22 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 52
for spare part numbers and option part numbers. 3.1 Serial Number Location When ordering parts or requesting information, provide the computer serial number and model number located on the bottom of the computer (Figure 3-1). Figure 3-1. Serial Number Location Maintenance and Service Guide 3-1 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 53
Illustrated Parts Catalog 3.2 Computer System Major Components Figure 3-2. Computer System Major Components 3-2 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 54
Mobile Pentium III 1.066 GHz Intel Mobile Pentium III 1.0 GHz Intel Celeron 933 MHz 253907-001 263656-001 253905-001 260610-001 Disk cell RTC battery 253947-001 Top cover (includes TouchPad, TouchPad buttons, and Easy Scroll) 253934-001 Maintenance and Service Guide 3-3 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 55
Illustrated Parts Catalog Computer System Major Components (Continued) 3-4 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 56
13 14 15 16a 16b 17 Description Spare Part Number PC Card assembly 253936-001 Hardware Kit, includes: 253937-001 PC Card assembly shield Charger board shield Left display support Right display support VGA chip EMI shield Keyboard support plate not illustrated: 1394/USB shield Charger board - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 57
Illustrated Parts Catalog Computer System Major Components (Continued) 3-6 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 58
drives 30 GB 20 GB 10 GB Hard drive bracket (spared with hard drive) Future Bay devices 24X Max CD-ROM drive DVD/CD-RW combination drive CD-RW drive 8X Max DVD drive Battery pack (32.4 WHr, 3.0 AHr) Space saver Diskette drive 4.0 AHr, 57.6 WHr, Li ion battery pack United States modem board Memory - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 59
Kit Components Spare Part Number 253944-001 Item 1 2 3 4 5 6 Description Left hinge cover Right hinge cover PC Card space saver Connector cover Docking connector cover Expansion cover not illustrated: Tilt feet (2) Front computer feet (2) Rear computer feet (2) 3-8 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 60
Table 3-3 Hardware Kit Components Spare Part Number 253937-001 Item 1 2 3 4 5 6 Description Left display support VGA chip EMI shield Right display support Charger board shield Keyboard support plate PC Card assembly shield not illustrated: 1394/USB shield Maintenance and Service Guide 3-9 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 61
Illustrated Parts Catalog 3.5 Cable Kit Components Figure 3-5. Cable Kit Components Table 3-4 Cable Kit Components Spare Part Number 253946-001 Item Description 1 Modem cable 2 TouchPad cable not illustrated: CD-ROM drive cable Diskette drive cable 3-10 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 62
3.6 Mass Storage Devices Illustrated Parts Catalog Figure 3-6. Mass Storage Devices Table 3-5 Mass Storage Devices Item 1 Description Hard drives 30 GB 20 GB 10 GB Spare Part Number 253921-001 253920-001 253918-001 Maintenance and Service Guide 3-11 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 63
Future Bay Devices 24X Max CD-ROM drive DVD/CD-RW combination drive CD-RW drive 8X Max DVD drive Battery pack (32.4 WHr, 3.0 AHr) Space saver Diskette drive Spare Part Number 257981-001 257983-001 257982-001 257984-001 233478-001 257987-001 257985-001 3-12 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 64
Parts Catalog Mass Storage Devices (Continued) Table 3-5 Mass Storage Devices (Continued) Item 3 Description Optical Drives 24X Max CD-ROM drive DVD/CD-RW combination drive CD-RW drive 8X Max DVD drive Spare Part Number 253923-001 253926-001 253924-001 253925-001 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 65
× 4.0 screw ■ M1.5 × 8.0 screw ■ M1.5 × 5.0 screw ■ M1.5 × 4.0 screw AC adapters 60-Watt AC adapter power supply (2 wire) 60-Watt AC adapter power supply (3 wire) 222113-001 240905-021 Power cord, 3 wire, North America 197230-001 Port Replicator 253939-001 3-14 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 66
will need the following tools to complete the removal and replacement procedures: ■ Magnetic screwdriver ■ Phillips P0 screwdriver ■ 5.0-mm hex socket (for system board screwlocks) ■ Tool kit (includes connector removal tool, loopback plugs, and case utility tool) Maintenance and Service Guide 4-1 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 67
a way that they cannot be caught or snagged by parts being removed or replaced. Handle flex cables with extreme care; these cables tear easily. Ä CAUTION: When servicing the computer, ensure that cables are placed in their proper locations during the reassembly process. Improper cable placement can - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 68
components that must be handled with care. To prevent damage to the computer, damage to a removable drive, or loss of information, observe the following precautions: ■ Before removing or inserting a hard drive, shut down the computer. If you are unsure whether the computer is off or in Hibernation - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 69
enough power to alter parts in their containers until the parts arrive at static-free workstations. ■ Place items on a grounded surface before removing items from their containers. ■ Always be properly grounded when touching a sensitive component or assembly. 4-4 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 70
components, parts, and assemblies by the case or PCM laminate. Handle these items only at static-free workstations. ■ Avoid contact with pins, leads, or circuitry. ■ Turn off power and input signals before inserting or removing connectors or test equipment. Maintenance and Service Guide 4-5 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 71
Removal and Replacement % resistance in the ground cords. To provide proper ground boot straps) can be used at standing workstations and are compatible with most types of shoes or boots cords of one-megohm resistance ■ Static-dissipative tables or floor mats with hard ties to the ground ■ Field service - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 72
Removal and Replacement Preliminaries ■ Nonconductive plastic bags, tubes, or boxes ■ Metal tote boxes ■ Electrostatic voltage levels and protective materials Metallized laminate Use Bags Floor mats Floor mats Voltage Protection Level 1,500 V 7,500 V 5,000 V Maintenance and Service Guide 4-7 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 73
disassembly. There are 63 screws and screwlocks, in nine different sizes, that must be removed and replaced when servicing the computer. Make special note of each screw size and location during removal and replacement. Refer to Appendix C, "Screw Listing," for detailed information on screw sizes - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 74
Removal and Replacement Procedures 5.1 Serial Number Report the computer serial number to Compaq when requesting information or ordering spare parts. The serial number is located on the bottom of the computer (Figure 5-1). Figure 5-1. Serial Number Location 5-2 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 75
Preparing the computer for disassembly Battery pack Future Bay device Optical drive Hard drive Memory expansion board Modem board Video memory board Computer feet LED cover # of Screws Removed 0 0 2 2 to remove hard drive 4 to separate hard drive from hard drive bracket 2 (plus 2 captive screws on - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 76
Removal and Replacement Procedures Table 5-1 Disassembly Sequence Chart (Continued) Section 5.9 5.10 5.11 5.12 5.13 Description Keyboard Heat sink Processor Disk cell RTC battery Display 5.14 Top cover 5.15 PC Card assembly 5.16 Charger board 5.17 Audio board 5.18 Keyboard support plate - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 77
Removal and Replacement Procedures 5.3 Preparing the Computer for Disassembly Perform the following steps before disassembling the computer: 1. Turn off the computer. 2. Disconnect the AC adapter and all external devices. 3. Remove the battery pack by following these steps: a. Turn the computer - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 78
Removal and Replacement Procedures 4. Remove the Future Bay device by following these steps: a. Turn the computer bottom side up with the right side facing forward. b. Slide the Future Bay release bezel forward 1. The Future Bay device separates from the base enclosure (Figure 5-3). c. Remove the - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 79
× 5.5 screws 1 that secure the optical drive to the base enclosure (Figure 5-4). c. Slide the optical drive to the right 2 and remove it from the optical drive bay. Figure 5-4. Removing the Optical Drive Reverse the above procedure to install the optical drive. Maintenance and Service Guide 5-7 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 80
Removal and Replacement Procedures 6. Remove the hard drive by following these steps: a. Remove the battery pack (Section 5.3). b. Remove the optical drive. c. Remove the two PM2.0 × 5.5 screws 1 that secure the hard drive bracket to the base enclosure (Figure 5-5). d. Slide the hard drive forward 2 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 81
the hard drive to the hard drive bracket (Figure 5-6). b. Lift the hard drive straight up 2 and remove it from the bracket. Figure 5-6. Removing the Hard Drive from the Hard Drive Bracket Reverse the above procedure to install the hard drive in the hard drive bracket. Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 82
Removal and Replacement Procedures 5.4 Memory Expansion Board Memory Expansion Board Spare Part Number Information Memory expansion boards 512 MB 256 MB 128 MB 253943-001 253942-001 253941-001 1. Prepare the computer for disassembly (Section 5.3). 2. Turn the computer bottom side - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 83
removed from the expansion cover. 5. Lift the left side of the expansion cover and swing it to the right 3. 6. Remove the expansion cover 4. ✎ The expansion cover is included in the Plastics Kit (spare part number 253944-001). Figure 5-7. Removing the Expansion Cover Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 84
5-8. Removing the Memory Expansion Board Reverse the above procedure to install a memory expansion board. 5.5 Modem Board Modem Board Spare Part Number Information United States modem board 253928-001 1. Prepare the computer for disassembly (Section 5.3). 5-12 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 85
Removal and Replacement Procedures 2. Turn the computer bottom side up with the front facing forward. 3. Remove the expansion cover as described in the Memory Expansion Board Section (Section 5.3). 4. Disconnect the modem cable from the modem board 1 (Figure 5-9). 5. Spread the retaining tabs 2 on - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 86
Removal and Replacement Procedures 5.6 Video Memory Board Video Memory Board Spare Part Number Information Video memory boards 32 MB 16 MB 8 MB 253917-001 253916-001 253915-001 1. Prepare the computer for disassembly (Section 5.3). 2. Turn the computer bottom side up with - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 87
of the video memory board. The board releases and rests at an angle (Figure 5-10). 6. Remove the board by pulling it away from the socket at an angle 2. Figure 5-10. Removing the Video Memory Board Reverse the above procedure to install a video memory board. Maintenance and Service Guide 5-15 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 88
Procedures 5.7 Computer Feet The computer feet are adhesive-backed rubber pads. The computer feet are included in the Plastics Kit (spare part number 253944-001). Refer to Figure 5-11 for computer feet locations. Figure 5-11. Replacing the Computer Feet 5-16 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 89
Removal and Replacement Procedures 5.8 LED Cover LED Cover Spare Part Number Information LED cover 253932-001 1. Prepare the computer for disassembly (Section 5.3). 2. Turn the computer bottom side up with the rear panel facing forward. 3. Remove the two PM2.0 × 8.0 screws that secure the LED - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 90
reveal the notch 1 in the LED cover (Figure 5-13). 7. Insert a flat-bladed tool in the notch and lift the left side of the LED cover 2. 8. Remove the LED cover 3. Figure 5-13. Removing the LED Cover Reverse the above procedure to install the LED cover. 5-18 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 91
Removal and Replacement Procedures 5.9 Keyboard Keyboard Spare Part Number Information U.S. English Keyboard 253929-001 1. Prepare the computer for disassembly (Section 5.3). 2. Remove the LED cover (Section 5.8). 3. Lift the back edge of the keyboard and swing it forward 1 until it rests on - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 92
Heat sink (includes fan) 253933-001 ✎ The heat sink includes an exhaust fan. Do not remove this fan from the heat sink. 1. Prepare the computer for disassembly (Section 5.3). 2. Remove the LED cover (Section 5.8). 3. Remove the keyboard (Section 5.9). 5-20 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 93
and replaced in the 1, 2, 3, 4 sequence as stamped on the heat sink. 5. Lift the right side of the heat sink 2 and slide it to the right at an angle until the left side of the heat sink is clear of the base enclosure. Figure 5-15. Removing the Heat Sink Screws Maintenance and Service Guide 5-21 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 94
to install the heat sink. 5.11 Processor Processor Spare Part Number Information Processors Intel Mobile Pentium III 1.2 GHz Intel Mobile Pentium III 1.066 GHz Intel Mobile Pentium III 1.0 GHz Intel Celeron 933 MHz 253907-001 263656-001 253905-001 260610-001 5-22 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 95
Removal and Replacement Procedures 1. Prepare the computer for disassembly (Section 5.3) and remove the following components: a. LED cover (Section 5.8) b. Keyboard (Section 5.9) c. Heat sink (Section 5.10) 2. Use a flat-bladed tool to turn the processor locking screw 1 one-half turn - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 96
Disk Cell RTC Battery Spare Part Number Information Disk cell RTC battery 253947-001 1. Prepare the computer for disassembly (Section 5.3) and remove the following components: a. LED cover (Section 5.8) b. Keyboard (Section 5.9) c. Heat sink (Section 5.10) 5-24 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 97
Figure 5-18). The RTC battery is released from its socket. 3. Remove the RTC battery 2. ✎ Make sure the "+" sign is facing up when installing the RTC battery. Figure 5-18. Removing the Disk Cell RTC Battery Reverse the above procedure to install the RTC battery. Maintenance and Service Guide 5-25 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 98
Removal and Replacement Procedures 5.13 Display Display Spare Part Number Information Displays 15.0-inch, XGA, CTFT 15.0-inch, SXGA+, CTFT 266978-001 266979-001 1. Prepare the computer for disassembly (Section 5.3). 2. Remove the LED cover (Section 5.8). 3. Remove the keyboard (Section 5.9). 4. - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 99
system board (Figure 5-20). 8. Remove the two PM2.0 × 8.0 screws 2 that secure the display hinges to the base enclosure. 9. Remove the two black PM1.5 × 5.0 screws 3 that secure the hinge covers to the base enclosure. Figure 5-20. Removing the Display (Part 1) Maintenance and Service Guide 5-27 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 100
with 15.1-inch displays have ground cables secured to the base enclosure by two silver PM1.5 × 5.0 screws 1 (Figure 5-21). Remove these screws. 11. Lift the display straight up and remove it from the base enclosure 2. Figure 5-21. Removing the Display (Part 2) 5-28 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 101
Removing the Display Hinge Covers ✎ Install the hinge covers on the display before installing the display on the base enclosure. The hinge covers are included in the Plastics Kit (spare part number 253944-001). Reverse the above procedure to install the display. Maintenance and Service Guide 5-29 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 102
Removal and Replacement Procedures 5.14 Top Cover Top Cover Spare Part Number Information Top cover (includes TouchPad, TouchPad buttons, and EasyScroll) 253934-001 1. Prepare the computer for disassembly (Section 5.3) and remove the following components: a. LED cover (Section 5.8) b. Keyboard - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 103
to the base enclosure in the battery bay ❏ One PM2.0 × 5.5 screw 3 that secures the top cover to the base enclosure in the optical drive/hard drive bay Figure 5-23. Removing the Top Cover Screws 4. Turn the computer top side up with the front facing forward. Maintenance and Service Guide 5-31 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 104
Lift the top cover straight up 4 and remove it from the base enclosure. Figure 5-24. Removing the Top Cover Reverse the above procedure to install the top cover. 5.15 PC Card Assembly PC Card Assembly Spare Part Number Information PC Card assembly 253936-001 5-32 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 105
two PM2.0 × 5.5 screws 1 that secure the PC Card assembly to the base enclosure (Figure 5-25). 3. Lift the rear/right corner 2 of the assembly to disconnect it from the system board. 4. Remove the PC Card assembly 3. Figure 5-25. Removing the PC Card Assembly Maintenance and Service Guide 5-33 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 106
the PC Card assembly shield from the PC Card assembly. ✎ The PC Card assembly shield is included in the Hardware Kit (spare part number 253937-001). Figure 5-26. Removing the PC Card Assembly Shield Reverse the above procedure to install the PC Card assembly. 5-34 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 107
1. Prepare the computer for disassembly (Section 5.3) and remove the following components: a. LED cover (Section 5.8) b. Keyboard (Section 5.9) c. Heat sink (Section 5.10) d. Display (Section 5.13) e. Top cover (Section 5.14) f. PC Card assembly (Section 5.15) Maintenance and Service Guide 5-35 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 108
up and remove it from the base enclosure 4. 5. Remove the shield 5. ✎ The charger board shield is included in the Hardware Kit (spare part number 253937-001). Figure 5-27. Removing the Charger Board Reverse the above procedure to install the charger board. 5-36 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 109
Removal and Replacement Procedures 5.17 Audio Board Audio Board Spare Part Number Information Audio board 253938-001 1. Prepare the computer for disassembly (Section 5.3) and remove the following components: a. LED cover (Section 5.8) b. Keyboard (Section 5.9) c. Heat sink (Section 5.10) d. - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 110
Removal and Replacement Procedures 2. Disconnect the speaker cable 1 from the audio board. 3. Remove the two PM2.0 × 5.5 up 4 and remove it from the base enclosure. Figure 5-28. Removing the Audio Board Reverse the above procedure to install the audio board. 5-38 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 111
Removal and Replacement Procedures 5.18 Keyboard Support Plate ✎ The keyboard support plate is included in the Hardware Kit (spare part number 253937-001). 1. Prepare the computer for disassembly (Section 5.3) and remove the following components: a. LED cover (Section 5.8) b. Keyboard (Section 5.9) - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 112
support plate. 5.19 Speaker Assembly ✎ The speaker assembly is included in the base enclosure (spare part number 260611-001). 1. Prepare the computer for disassembly (Section 5.3) and remove the following components: a. LED cover (Section 5.8) b. Keyboard (Section 5.9) 5-40 Maintenance and Service - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 113
Removal and Replacement Procedures c. Heat sink (Section 5.10) d. Display (Section 5.13) e. Top cover (Section 5.14) f. PC Card remove it from the base enclosure. Figure 5-30. Removing the Speaker Assembly Reverse the above procedure to install the speaker assembly. Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 114
Removal and Replacement Procedures 5.20 Fan Fan Spare Part Number Information Fan 273906-001 1. Prepare the computer for disassembly (Section 5.3) and remove the following components: a. LED cover (Section 5.8) b. Keyboard (Section 5.9) c. Heat sink (Section 5.10) d. Display (Section 5.13) e. - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 115
Removal and Replacement Procedures 2. Disconnect the fan cable 1 from the audio board (Figure 5-31). 3. Lift the fan straight up 2 and remove it from the base enclosure. Figure 5-31. Removing the Fan Reverse the above procedure to install the fan. Maintenance and Service Guide 5-43 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 116
(Section 5.9) c. Heat sink (Section 5.10) d. Display (Section 5.13) e. Top cover (Section 5.14) f. PC Card assembly (Section 5.15) g. Charger board (Section 5.16) h. Audio board (Section 5.17) i. Keyboard support plate (Section 5.18) j. Fan (Section 5.20) 5-44 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 117
the computer so the rear panel faces forward. 3. Remove the four HM5 × 10.5 screwlocks that secure the system board to the base enclosure (Figure 5-32). Figure 5-32. Removing the System Board Screwlocks 4. Position the computer so the front faces forward. Maintenance and Service Guide 5-45 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 118
supports to the base enclosure (Figure 5-33). ✎ The two screws that secure the right display support also secure the VGA chip EMI shield 2 to the base enclosure. 6. Remove the left 3 and right 4 display supports. Figure 5-33. Removing the System Board Screws 5-46 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 119
front edge of the system board 1 until it clears the base enclosure (Figure 5-34). 8. Slide the system board forward at angle 2 and remove it from the base enclosure. Figure 5-34. Removing the System Board Reverse the above procedure to install the system board. Maintenance and Service Guide 5-47 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 120
video memory connectors 4 (Figure 5-35). 5. Remove the tape 5 that secures the modem cable to the system board. 6. Disconnect the modem cable from the system board 6. Figure 5-35. Removing the Modem Cable Reverse the above procedure to install the modem cable. 5-48 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 121
performance specifications. Table 6-1 Computer Dimensions Height Width Depth 12.91 in 10.99 in 1.63 in Weight 15.0-inch display with battery pack and Future Bay weight saver installed 14.1-inch display with battery pack and Future Bay weight saver installed 7.65 lb 7.14 lb Stand-alone power - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 122
Specifications Table 6-1 Computer (Continued) Relative humidity (noncondensing) Operating Nonoperating 10% to 90% 5% to 95%, 101.6° F (38.7° standards specify thermal limits for plastic surfaces. The computer operates well within this range of temperatures. 6-2 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 123
Pitch Format Configuration Backlight Character display Refresh Total power consumption 9.52 in 12.47 in 15.0 in 256K 150:1 120 nits minimum 24.18 cm 31.67 cm 38.10 cm 0.297 × 0.297 mm 1024 × 768 RGB stripe Cold cathode fluorescent, 1 tube 80 × 25 60 Hz 5.5 W Maintenance and Service Guide 6-3 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 124
Pixel resolution Pitch Format Configuration Backlight Character display Refresh Total power consumption 8.97 in 11.76 in 14.1 in 256K 150:1 120 nits minimum 0.279 × 0.279 mm 1024 × 768 RGB stripe Edge lit, bottom 80 × 25 60 Hz 4.75 W 22.8 cm 29.9 cm 35.81 cm 6-4 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 125
22,784 16 63 16,283 16 63 16,683 16 63 16,283 16 63 11 GB = 1,000,000,000 bytes. 2Actual drive specifications may differ slightly. 3System capability may differ. Certain restrictions and exclusions apply. Consult the Compaq Customer Support Center for details. Maintenance and Service Guide 6-5 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 126
Specifications Table 6-4 Hard Drives (Continued) 30 GB 20 GB 15 GB 000,000 bytes. 2System capability may differ. 3Actual drive specifications may differ slightly. Certain restrictions and exclusions apply. Consult the Compaq Customer Support Center for details. 6-6 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 127
Specifications Table 6-5 Diskette Drive Diskette size Light Height Bytes per sector Sectors per track High density Low density Tracks per side High density Low density Read/ on system 0.5 in (12.7 mm) 512 18 (1.44 MB) 9 80 80 2 3 to 6 ms 95 to 174 ms 15 ms 100 ms Maintenance and Service Guide 6-7 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 128
Specifications Table 6-6 CD-ROM Drive Applicable disc Center hole diameter Disc diameter Disc thickness Track pitch Access time Random Full stroke Cache buffer Data < 300 ms 128 KB 150 KB/s at 1X 1500 to 3600 KB/s (10X to 24X) 16.66 KB/s < 8 seconds < 4 seconds 6-8 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 129
Specifications Table 6-7 DVD-ROM Drive Applicable disc Center hole diameter Disc diameter Disc thickness Track pitch Access time Random Full stroke Audio output level /s at 1X CD rate) 10,800 KB/s (1352 KB/s at 1X DVD rate) 16.6 MB/s < 12 seconds < 3 seconds Maintenance and Service Guide 6-9 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 130
Specifications Table 6-8 CD-RW Drive Center hole diameter Disc diameter Disc thickness Track pitch Access time Random Full stroke Audio output level Cache < 225 ms Line-out, 0.7 Vrms 128 KB/s minimum 150 KB/s 5,520 KB/s 16.6 MB/s < 15 seconds < 6 seconds 6-10 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 131
Specifications Table 6-9 External AC Adapter Weight Power supply (input) Operating voltage Operating current Operating frequency range Maximum transient 0.45 lb 0.21 kg 100 to 240 VAC RMS nominal 1.5 A RMS 50 to 60 Hz AC nominal 4/50 kV Table 6-10 8-cell, Li ion Battery and Service Guide 6-11 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 132
, DMA3, none) DMA2 Diskette drive DMA3 ECP parallel port LPT1 (default; alternate = DMA0, none) DMA4 DMA controller cascading (not available) DMA5 Available for PC Card DMA6 Not assigned DMA7 Not assigned ✎ PC Card controller can use DMA 1, 2, or 5. 6-12 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 133
optical drive) IRQ15 System use ✎ PC Cards may assert IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, or IRQ15. Either the infrared or the serial port may assert IRQ3 or IRQ 4. *Default configuration; audio possible configurations are IRQ5, IRQ7, IRQ9, IRQ10, or none. Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 134
Specifications Table 6-13 System I/O Addresses I/O Address (hex) 000 to 00F 010 to 01F Unused 87334 "Super IO" configuration for processor Counter/timer registers Unused Keyboard controller Port B Unused Keyboard controller Unused NMI enable/real-time clock Unused DMA page registers Unused Port - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 135
Specifications Table 6-13 System I/O Addresses (Continued) I/O Address (hex) 0A2 to 0BF 0C0 to 0DF 0E0 to 0EF 0F0 to 0F1 0F2 controller Unused Joystick (decoded in ESS1688) Unused Entertainment audio Unused Unused Unused Unused Unused Unused Reserved serial port Maintenance and Service Guide 6-15 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 136
-OPL3 Unused VGA Reserved (parallel port/no EPP support) VGA PC Card controller in processor Unused Internal modem "A" diskette controller Serial port (COM1/default) PCI configuration index register (PCIDIVO-1) PCI configuration data register (PCIDIVO-1) 6-16 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 137
Specifications Table 6-14 System Memory Map Size 640 KB 128 KB 48 KB 160 KB 64 KB 15 MB 58 MB 58 MB 2 MB 4 GB 64 KB Memory memory Video memory Video BIOS Unused System BIOS Extended memory Super extended memory Unused Video memory (direct access) Unused System BIOS Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 138
A Connector Pin Assignments Table A-1 RJ-45 Network Interface Pin Signal 1 Transmit + 2 Transmit - 3 Receive + 4 Unused 13 5 7 2468 Pin Signal 5 Unused 6 Receive - 7 Unused 8 Unused Maintenance and Service Guide A-1 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 139
Connector Pin Assignments Table A-2 RJ-11 Modem Pin Signal 1 Unused 2 Tip 3 Ring Pin Signal 4 Unused 5 Unused 6 Unused Table A-3 Universal Serial Bus Pin Signal 1 +5 VDC 2 Data - Pin Signal 3 Data + 4 Ground A-2 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 140
Connector Pin Assignments Table A-4 S-Video Pin Signal 1 Ground (Y) 2 Ground (C) Pin Signal 3 Y-Luminance (Intensity) 4 C-Chrominance (Color) Maintenance and Service Guide A-3 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 141
13 14 15 16 17 18-25 Signal Acknowledge* Busy Paper out Select Auto line feed* Error* Initialize printer* Select in* Signal ground A-4 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 142
10 5 Pin Signal 9 +5 VDC 10 Ground 11 Monitor detect 12 DDC 2B data 13 Horizontal sync 14 Vertical sync 15 DDC 2B clock Maintenance and Service Guide A-5 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 143
Connector Pin Assignments Table A-7 Stereo Speaker/Headphone Pin Signal 1 Audio out 1 2 Pin Signal 2 Ground Table A-8 Microphone Pin Signal 1 Audio in 1 2 Pin Signal 2 Ground A-6 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 144
Connector Pin Assignments Table A-9 External Keyboard/Mouse 12 3 KEY 4 5 6 Pin Signal 1 Keyboard/mouse DATA 2 Keyboard/mouse DATA 3 Ground Pin Signal 4 +5 VDC 5 Keyboard/mouse CLK 6 Keyboard/mouse CLK Maintenance and Service Guide A-7 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 145
for use in other countries must meet the requirements of the country where the computer is used. For more information on power cord set requirements, contact a Compaq authorized reseller or service provider. General Requirements The following requirements apply to all countries: ■ The length of the - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 146
2 Notes 1. The flexible cord must be Type HO5VV-F, 3-conductor, 1.0 mm2 conductor size. Power cord set fittings (appliance coupler and wall plug) must bear the certification mark of the agency responsible for evaluation in the country where it will be used. B-2 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 147
Power Cord Set Requirements 2. The flexible cord must be Type SPT-3 or equivalent, No. 18 AWG, 3-conductor. The wall plug must be a two-pole grounding type with a NEMA 5-15P (15A, 125V) or NEMA 6-15P (15A, 250V) configuration. 3. The appliance coupler, flexible cord . The flexible cord must be Type - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 148
C Screw Listing This appendix provides specification and reference information for the screws used in the computer. All screws listed in this appendix are available in the Miscellaneous Screw Kit, spare part number 253945-001. Maintenance and Service Guide C-1 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 149
5) 2 Two screws that secure the hard drive to the computer (documented in Section 5.3, step 6) 3 Two screws that secure the expansion cover to the computer (documented in Section 5.4, step 3) 4 One screw that secures the top cover to the base enclosure in the battery bay (documented in Section 5.14 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 150
Screw Listing Figure C-1. Phillips M2.0 × 5.5 Screw Locations Maintenance and Service Guide C-3 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 151
5.10, step 4) 2 One screw that secures the top cover to the base enclosure (documented in Section 5.14, step 6) Head Width 4.0 mm Figure C-2. Phillips M2.0 × 5.5 Screw Locations (Continued) C-4 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 152
Width silver 20 5.5 mm 2.0 mm 4.0 mm Where used: 1 Two screws that secure the PC Card assembly to the system board (documented in Section 5.15, step 2) 2 Three screws that secure in Section 5.17, step 3) Figure C-3. Phillips M2.0 × 5.5 Screw Locations (Continued) Maintenance and Service Guide C-5 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 153
C-2 Phillips M2.5 × 4.0 Screw Color Qty Length Thread silver 4 4.0 mm 2.5 mm Where used: Four screws that secure the hard drive to the hard drive bracket (documented in Section 5.14, step 6) Head Width 4.5 mm Figure C-4. Phillips M2.5 × 4.0 Screw Locations C-6 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 154
5.13, step 5) 3 Seven screws that secure the top cover to the base enclosure (documented in Section 5.14, step 3) Head Width 4.0 mm Figure C-5. Phillips M2.0 × 8.0 Screw Locations Maintenance and Service Guide C-7 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 155
Where used: Two screws that secure the display hinges to the base enclosure (documented in Section 5.13, step 8) Head Width 4.0 mm Figure C-6. Phillips M2.0 × 8.0 Screw Locations (Continued) C-8 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 156
Screw (Continued) Color Qty Length Thread silver 19 8.0 mm 2.0 mm Where used: Four screws that secure the display supports to the base enclosure (documented in Section 5.21, step 5) Head Width 4.0 mm Figure C-7. Phillips M2.0 × 8.0 Screw Locations (Continued) Maintenance and Service Guide C-9 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 157
the display ground cable to the base enclosure on computer models with 15.1-inch displays (documented in Section 5.12, step 10) Figure C-8. Phillips M1.5 × 5.0 Screw Locations C-10 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 158
: Four black screws that secure the top cover to the base enclosure (documented in Section 5.14, step 6) Head Width 4.0 mm 4.0 mm Figure C-9. Phillips M1.5 × 5.0 Screw Locations (Continued) Maintenance and Service Guide C-11 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 159
Section 5.15, step 5) Table C-6 Phillips M1.5 × 4.0 Screw Head Color Qty Length Thread Width silver 2 4.0 mm 1.5 mm 4.0 mm Where used: 2 Two screws that secure the PC Card assembly shield to the PC Card assembly (documented in Section 5.15, step 5) C-12 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 160
Screw Listing Figure C-10. Phillips M1.5 × 8.0 and Phillips M1.5 × 4.0 Screw Locations Maintenance and Service Guide C-13 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 161
Phillips M2.0 × 4.5 Screw Head Color Qty Length Thread Width black 4 4.5 mm 2.0 mm 4.0 mm Where used: Four screws that secure the keyboard support plate to the base enclosure (documented in Section 5.18, step 2) Figure C-11. Phillips M2.0 × 4.5 Screw Locations C-14 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 162
n/a 5.0 mm Where used: Four screwlocks that secure the system board to the base enclosure (documented in Section 5.20, step 3) Figure C-12. Hex M5.0 × 10.5 Screwlock Locations Maintenance and Service Guide C-15 - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 163
AC adapter spare part numbers 3-14 specifications 6-11 audio board illustrated 3-4 removal 5-37 spare part number 3-5, 5-37 audio troubleshooting 2-17 B base enclosure illustrated 3-4 spare part number 3-5 battery bay 1-23 battery light 1-15, 1-21 battery pack illustrated 3-6 removal 5-5 spare part - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 164
26 spare part numbers 3-3, 5-26 specifications 6-3, 6-4 display lid switch 1-20 display release latch 1-14, 1-23 display support illustrated 3-2, 3-9 removal 5-46 DMA specifications 6-12 docking connector 1-23 docking connector cover 3-2, 3-8 docking station troubleshooting 2-10 drive activity light - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 165
part number 3-3, 5-20 hinge cover illustrated 3-2, 3-8 removal 5-29 I I/O address specifications 6-14 illustrated parts catalog 3-1 interrupt specifications 6-13 K keyboard components 1-18 illustrated 3-2 removal 5-19 spare part number 3-3, 5-19 troubleshooting 2-20 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 166
2-22 nonfunctioning device, troubleshooting 2-10, 2-19 numeric keypad 1-19 numeric lock key 1-19 numeric lock light 1-21 O operating system loading, troubleshooting 2-11 optical drive removal 5-7 spare part numbers 3-5 optical drive bay 1-17, 1-23 Index-4 Maintenance and Service Guide - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 167
spare part number 3-14 power button 1-21 power cord, spare part numbers 3-14 power light 1-20 power management features 1-13 power, troubleshooting 2-4 processor illustrated 3-4 removal 5-22 spare part numbers 3-3, 5-22 R real time clock (RTC) battery illustrated 3-4 removal 5-24 spare part number - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 168
Index speaker jack location 1-15 pin assignments A-6 specifications AC adapter 6-11 battery 6-11 CD-ROM drive 6-8 CD-RW drive 6-10 computer 6-1 diskette drive 6-7 display 6-3, 6-4 DMA 6-12 DVD-ROM drive 6-9 hard drive 6-5 I/O addresses 6-14 interrupts 6-13 memory map 6-17 static shielding materials - Compaq Evo n180 | Maintenance and Service Guide Compaq Evo N180 Series - Page 169
shield illustrated 3-2, 3-9 removal 5-46 video memory board illustrated 3-6 removal 5-14 Index spare part numbers 3-7, 5-14 video troubleshooting 2-8 volume control buttons 1-21 W Windows application key 1-19 Windows logo keys 1-19 workstation precautions 4-5 Maintenance and Service Guide Index-7
b
Maintenance and Service Guide
Compaq Notebook Evo N180 Series
Document Part Number: 263815-001
December 2001
This guide is a troubleshooting reference used for maintaining
and servicing the notebook. It provides comprehensive
information on identifying computer features, components, and
spare parts, troubleshooting computer problems, and performing
computer disassembly procedures.