Compaq dc7800 Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe
Compaq dc7800 - Convertible Minitower PC Manual
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- Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 1
Hardware Reference Guide - dc7800 Series Convertible Minitower HP Compaq Business PC - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 2
HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP . Hardware Reference Guide HP Compaq Business PC dc7800 Series Convertible Minitower First Edition (July - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 3
About This Book This guide provides basic information for upgrading this computer model. WARNING! Text set off in this manner indicates that failure to follow directions could result in bodily harm or loss of life. - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 4
iv About This Book ENWW - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 5
Windows Logo Key 6 Special Mouse Functions ...7 Serial Number Location ...7 2 Hardware Upgrades Serviceability Bezel ...14 Removing Bezel Blanks ...15 Installing Additional Memory ...16 DIMMs ...16 DDR2-SDRAM DIMMs ...16 from a Minitower to a Desktop Configuration 38 Changing from a Desktop to a - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 6
Installing a Security Lock ...48 Cable Lock ...48 Padlock ...49 HP Business PC Security Lock 50 Appendix D Electrostatic Discharge Preventing Electrostatic Damage ...52 Grounding Methods ...52 Appendix E Computer Operating Guidelines, Routine Care and Shipping Preparation Computer Operating - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 7
on some computer models only). Instructions for using the utility are provided in the Troubleshooting Guide. NOTE: The HP Compaq Convertible Minitower computer can be easily converted to a desktop. For more information, see Changing from a Minitower to a Desktop Configuration on page 38 in this - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 8
3.5-inch Diskette Drive (optional)1 10 Diskette Eject Button (optional) 4 Dual-State Power Button 11 Power On Light 5 Hard Drive Activity Light 12 Headphone Connector 6 Microphone Connector 13 USB (Universal Serial Bus) Ports 7 Optical Drive Eject Buttons NOTE: An optical drive is a DVD-ROM - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 9
(Universal Serial Bus) Port 5 CompactFlash I/II ● CompactFlash Card Type 1 ● CompactFlash Card Type 2 ● MicroDrive 6 MS PRO/MS PRO DUO ● Memory Stick (MS) ● MagicGate Memory Stick (MG) ● MagicGate Memory Duo ● Memory Stick Select ● Memory Stick Duo (MS Duo) ● Memory Stick PRO (MS PRO) ● Memory Stick - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 10
connector can be retasked as a microphone connector in the audio driver's control panel. The monitor connector on the system board is inactive when a PCI Express x16 graphics card is installed in the computer. If a PCI or PCI Express x1 graphics card is installed, the connectors on the card and the - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 11
) to open pop-up menus in a Microsoft Office application. May perform other functions in other software applications. 8 Windows Logo Keys1 Used to open the Start menu in Microsoft Windows. Used in combination with other keys to perform other functions. 9 Alt Keys Used in combination with another - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 12
5 to identify the Windows Logo key. Table 1-5 Windows Logo Key Functions The following Windows Logo Key functions are available in Microsoft Windows XP and Microsoft Windows Vista. Windows Logo Key Displays or hides the Start menu Windows Logo Key + d Displays the Desktop Windows Logo Key - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 13
Special Mouse Functions Most software applications support the use of a mouse. The functions assigned to each mouse button depend on the software applications you are using. Serial Number Location Each computer has a unique serial number and a product ID number that are located on the top cover of - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 14
that make it easy to upgrade and service. No tools are needed for most of the installation procedures described in this chapter. Warnings and Cautions Before performing upgrades be sure to carefully read all of the applicable instructions, cautions, and warnings in this guide. WARNING! To reduce the - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 15
the Smart Cover Lock, refer to the Desktop Management Guide. Smart Cover FailSafe Key If you enable the Power outage ● Startup failure ● PC component (for example, processor or power supply) failure ● Forgotten password NOTE: The Smart Cover FailSafe Key is a specialized tool available from HP - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 16
Lock Screws 6. Remove the access panel. To reattach the Smart Cover Lock, secure the lock in place with the tamper-proof screws. 10 Chapter 2 Hardware Upgrades ENWW - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 17
state, voltage is always present on the system board as long as the system is plugged into an active AC outlet. You must disconnect the power cord to avoid damage to the internal components of the computer. 5. Lay the computer down on its large base for greater stability. 6. Lift up on - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 18
and push down on the access panel while sliding it forward until it locks into place. Figure 2-3 Replacing the Computer Access Panel 12 Chapter 2 Hardware Upgrades ENWW - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 19
state, voltage is always present on the system board as long as the system is plugged into an active AC outlet. You must disconnect the power cord to avoid damage to the internal components of the computer. 5. Remove the computer access panel. 6. Push up on the two release tabs (1), then rotate - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 20
(2). 3. Snap the catches at the top of the bezel into place (3). 4. Snap the release tabs into place (4). Figure 2-5 Replacing the Front Bezel 14 Chapter 2 Hardware Upgrades ENWW - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 21
system is plugged into an active AC outlet. You must disconnect the power cord to avoid damage to the internal components of the computer. 5. Remove the front bezel. Figure 2-6 Removing Bezel Blanks from the Subpanel (Desktop Shown) NOTE: When replacing the subpanel, ensure that the aligning pins - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 22
● 512Mbit and 1Gbit non-ECC memory technologies ● single-sided and double-sided DIMMs ● DIMMs constructed with x8 and x16 DDR devices; DIMMs constructed with x4 SDRAM are not supported NOTE: The system will not operate properly if you install unsupported DIMMs. 16 Chapter 2 Hardware Upgrades ENWW - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 23
socket XMM4, Channel B White NOTE: A DIMM must occupy the black DIMM1 socket. Otherwise, the system will display a POST error message indicating that a memory module must be installed in the black socket. The system will automatically operate in single channel mode, dual channel mode, or flex - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 24
disconnect the power cord before adding or removing memory modules. Regardless of the power-on state, voltage is always supplied to the memory modules as memory modules or system board. The memory module sockets have gold-plated metal contacts. When upgrading the memory, it is important to use memory - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 25
tab on the memory socket. A DIMM must occupy the black XMM1 socket. For maximum performance, populate the sockets so that the memory capacity is spread additional modules. 10. Replace the computer access panel. 11. Reconnect the power cord and turn on the computer. 12. Lock any security devices that - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 26
of the power-on state, voltage is always present on the system board as long as the system is plugged into an active AC outlet. You must disconnect the power cord to avoid damage to the internal components of the computer. 5. Remove the computer access panel. 20 Chapter 2 Hardware Upgrades ENWW - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 27
6. Locate the correct vacant expansion socket on the system board and the corresponding expansion slot on the back of the computer chassis. 7. Press straight down on the two green thumb tabs inside the chassis (1) and rotate the expansion card retention latch up (2). Figure 2-10 Opening the - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 28
up to remove it. Be sure not to scrape the card against other components. Figure 2-13 Removing a PCI Express x16 Expansion Card 9. Store the removed card in anti-static packaging. 10. If you are not proper cooling of internal components during operation. 22 Chapter 2 Hardware Upgrades ENWW - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 29
system board, if needed. 14. Replace the computer access panel. 15. Reconnect the power cord and turn on the computer. 16. Lock any security devices that were disengaged Computer Setup (F10) Utility Guide for instructions on using Computer Setup. ENWW Removing or Installing an Expansion Card 23 - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 30
Positions Figure 2-15 Desktop and Minitower Drive Positions Table 2-3 drive bays is available from HP. The bottom 5.25-inch drive bay has a shorter depth than the upper two bays. The bottom bay supports a half-height drive or Utility Guide for more information. 24 Chapter 2 Hardware Upgrades ENWW - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 31
6. Disconnect the power and data cables on the back of the drive. CAUTION: When removing the cables, pull the tab or connector instead of the cable itself to avoid damaging the cable. 7. Remove the drive from the drive bay as follows: ● To remove a 5.25-inch drive in the desktop configuration, press - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 32
from the drive bay (2). Figure 2-17 Removing a 3.5-inch Drive or a 5.25-inch Drive in the Minitower Configuration (Optical Drive shown) ● To remove a hard drive from and internal 3.5-inch drive bay, pull up 8. Store the removed drive in anti-static packaging. 26 Chapter 2 Hardware Upgrades ENWW - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 33
supports up to five drives that may be installed in various configurations. When installing additional drives, follow these guidelines: ● The primary Serial under the access panel. The HP-supplied metric guide screws are black. The HPsupplied 6-32 isolation mounting guide screws are silver and blue. - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 34
inserting or removing a drive, shut down the operating system properly, turn off the computer, and unplug the power cord. Do not remove a drive while the computer is on or in standby mode. Before handling a drive, label the package "Fragile: Handle With Care." 28 Chapter 2 Hardware Upgrades ENWW - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 35
System Board Drive Connections Refer to the following illustration and table to identify the system board drive connectors. Figure 2-21 System Board Drive Connections Table 2-4 System Board Drive Connections No. System Board Connector System Board Label 1 SATA0 SATA0 2 SATA1 SATA1 3 - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 36
HP-supplied metric screws are black. Refer to Installing Additional Drives on page 27 for an illustration of the extra M3 metric guide screws location. If you are replacing a drive, transfer the guides screws from the old drive to the new one. Figure 2-22 Installing a 5.25-Inch Drive in a Minitower - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 37
depth than the upper two bays. The bottom bay supports a half-height drive or other device that is front bezel and computer access panel. 12. Reconnect the power cord and turn on the computer. 13. Lock any Guide for instructions on using Computer Setup. ENWW Installing Additional Drives 31 - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 38
drive. Figure 2-24 Installing the Hard Drive Guide Screws NOTE: The hard drive uses 6-32 isolation mounting guide screws. Four extra guide screws are installed on the hard drive bracket under the access panel. The HP-supplied isolation mounting guide screws are silver and blue. Refer to Installing - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 39
avoid any hard drive performance problems. If you are adding power cord and turn on the computer. 12. Lock any security devices that were disengaged when the computer access panel was removed. 13. Reconfigure the computer, if necessary. Refer to the Computer Setup (F10) Utility Guide for instructions - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 40
Recovery Disc Set to restore the operating system, software drivers, and any software applications that were preinstalled on the computer. If you do not have this CD set, select Start > HP Backup and Recovery and create it now. 1. Unlock the hard Chapter 2 Hardware Upgrades ENWW - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 41
4. Remove the four screws from the bottom of the hard drive carrier. Figure 2-29 Removing the Security Screws 5. Slide the hard drive back to disconnect it from the carrier then lift it up and out of the carrier. Figure 2-30 Removing the Hard Drive ENWW Installing Additional Drives 35 - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 42
the four screws in the bottom of the carrier to hold the drive securely in place. Figure 2-32 Replacing the Security Screws 36 Chapter 2 Hardware Upgrades ENWW - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 43
. Slide the hard drive carrier into the enclosure on the computer and lock it with the key provided. NOTE: The carrier must be locked for power to be supplied to the hard drive. ENWW Installing Additional Drives 37 - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 44
Changing from a Minitower to a Desktop Configuration 1. Remove/disengage any 5. Remove the computer access panel. 6. Remove the front bezel. 7. Disconnect all power and data cables from the back of the drives in the 5.25-inch drive bays the Drive Bays (Minitower) 38 Chapter 2 Hardware Upgrades ENWW - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 45
has a shorter depth than the upper two bays. The bottom bay supports a half-height drive or other device that is no more than in damage to the drive. 11. Reconnect all power and data cables to the drives in the 5.25 desktop configuration. ENWW Changing from a Minitower to a Desktop Configuration 39 - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 46
2-37 Changing from a Minitower to a Desktop Configuration 15. Replace the front bezel and computer access panel. 16. Reconnect the power cord and turn on the . 4. Disconnect the power cord from the power outlet and disconnect any external devices. CAUTION: Regardless of the power-on state, voltage - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 47
25-inch Drives from the Drive Bays (Desktop) 9. Before you reinstall each drive Installing a Drive in the Minitower Configuration 10. Gently slide than the upper two bays. The bottom bay supports a half-height drive or other device that the drive. 11. Reconnect all power and data cables to the - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 48
the bezel blanks within the subpanel in the proper orientation for the minitower configuration. 14. Reposition the subpanel (rotate it 90º) with the 40 Changing from a Desktop to a Minitower Configuration 15. Replace the front bezel and computer access panel. 16. Reconnect the power cord and turn on - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 49
cm Depth 17.8 in 45.2 cm Approximate Weight 26.4 lb 12.0 kg Weight Supported (maximum distributed load in desktop position) 77 lb 35 kg Temperature Range Operating 50° to 95°F 10° to /hr 60 kg-cal/hr Power Supply 115V 230V Operating Voltage Range1 90-264 VAC 90-264 VAC ENWW 43 - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 50
W Rated Input Current (maximum)1 Standard PS 6A @ 100 VAC 3A @ 200 VAC 80 Plus PS 5A @ 100VAC 2.5A @ 200VAC 1 This system utilizes an active power factor corrected power supply. This allows the system to pass the CE mark requirements for use in the countries of the European Union. The active - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 51
cleared. Refer to the Computer Setup (F10) Utility Guide for information on backing up the CMOS settings. Static is NOT connected to AC power. HP encourages customers to recycle used electronic hardware, HP original print cartridges, and rechargeable instructions to replace the battery. ENWW 45 - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 52
Type 1 a. Lift the battery out of its holder. Figure B-1 Removing a Coin Cell Battery (Type 1) b. Slide the replacement battery into position, positive side up. The battery holder automatically secures the battery in the proper position. Type 2 a. To release the battery from its holder, squeeze the - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 53
battery has been replaced, use the following steps to complete this procedure. 8. Replace the computer access panel. 9. Plug in the computer and turn on power to the computer. 10. Reset the date and time, your passwords, and any special system setups using Computer Setup. Refer to the Computer Setup - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 54
NOTE: For information on data security features, refer to the Computer Setup (F10) Utility Guide, the Desktop Management Guide, and the HP ProtectTools Security Manager Guide (some models) at http://www.hp.com. Installing a Security Lock The security locks displayed below and on the following page - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 55
Padlock Figure C-2 Installing a Padlock ENWW Installing a Security Lock 49 - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 56
HP Business PC Security Lock 1. Fasten the security cable by looping it around a stationary object. Figure C-3 Securing the Cable to a Fixed Object 2. Thread the keyboard and mouse cables - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 57
3. Screw the lock to the chassis using the screw provided. Figure C-5 Attaching the Lock to the Chassis 4. Insert the plug end of the security cable into the lock (1) and push the button in (2) to engage the lock. Use the key provided to disengage the lock. Figure C-6 Engaging the Lock ENWW - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 58
mat. If you do not have any of the suggested equipment for proper grounding, contact an HP authorized dealer, reseller, or service provider. NOTE: For more information on static electricity, contact an HP authorized dealer, reseller, or service provider. 52 Appendix D Electrostatic Discharge ENWW - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 59
keyboard, with the keyboard feet down, directly against the front of the desktop unit as this also restricts airflow. ● Never operate the computer with the the monitor with any type of material. ● Install or enable power management functions of the operating system or other software, including sleep - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 60
changes in temperature, as condensation may form inside the unit. If the temperature suddenly changes while and have it checked by an authorized HP service provider. Shipping Preparation Follow these suggestions when The hard drive locks automatically when the system power is turned off. 2. Remove and store all - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 61
cable lock 48 HP Business PC Security Lock 50 padlock 49 Smart Cover Lock 9 ENWW M media card reader features 3 installing 30 removing 25 memory installation guidelines 17 installing 16, 18 populating sockets 17 socket locations 17 specifications 16 microphone connector 2 minitower conversion 40 - Compaq dc7800 | Hardware Reference Guide - HP Compaq dc7800 Convertible Minitowe - Page 62
card reader 25 PCI card 22 PCI Express card 22 Smart Cover Lock 9 S security cable lock 48 HP Business PC Security Lock 50 padlock 49 Smart Cover Lock 9 serial connector 4 serial number location 7 shipping preparation 54 Smart Cover Lock 9 specifications computer 43 memory 16 system board drive
Hardware Reference Guide - dc7800 Series
Convertible Minitower
HP Compaq Business PC