Lenovo NetVista Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and
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- Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 1
Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271 IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 2
- Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 3
Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271 IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 4
Note: Before using this information and the product it supports, be sure to read the general information under "Notices" information herein; these changes will be incorporated in new editions of the publication. IBM may make improvements or changes in the products or the programs described in this - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 5
A40/A40P/A40i system board layout . . . . . 29 System board locations 29 System board jumper settings 29 Clear CMOS/Flash Boot Block Recovery. . . 30 Processor Speed Settings 30 System board memory 30 Installing memory 30 © Copyright IBM problems 8. Additional Service Information 85 Security - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 6
130 Drivers 130 Hardware considerations 131 System resource conflicts 132 Miscellaneous Information 134 Acronyms, Abbreviations, and Terms . . . . 134 Send Us Your Comments 136 Notices 138 Trademarks 139 iv Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 7
drives in the computer you are servicing might have been rearranged or the appear if a problem or conflict is found by an application program, the operating system, or both. BIOS is installed on the system. A down-level BIOS might cause false errors and unnecessary replacement of the system board - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 8
Utility program menu. 3. Select APM. 4. Be sure APM BIOS Mode is set to Disabled. If it is not, press Set Automatic Hardware Power Management to Disabled. 7. If the problem persists, continue to 003 . 003 Run diagnostics. If Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 9
A40 board. v Type 6841 is the minitower with the A40P board. Not all models come with all features summarized here. Microprocessor ® ™ Intel Pentium III microprocessor with 256 KB of internal L2 cache memory Memory v Support inches) v 512 KB flash memory for system programs Internal drives v - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 10
of this booklet. Corrections and additions to this list are subject to change. To determine if an operating system has been tested for compatibility, check the Web site of the operating system vendor. 4 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 11
number and type of optional features installed and the power-management optional features in use. System off: 8% to 80% Acoustical noise-emission values Heat output (approximate) in British thermal see the ISO Supplier's Declaration, which is available from IBM. Chapter 2. General Information 5 - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 12
6 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 13
resolve hardware-related problems. v Setup Utility service System Security v Advanced Setup v Power Management To run the Setup Utility program, use the following procedure. 1. Power-off the computer and wait for a few seconds until all in-use lights go off. 2. Power-on the computer. © Copyright IBM - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 14
the Windows operating system and all device drivers v Repair This ibm.com/. v Select Support. v Select Desktop computing from the ″Search by Category″ pull-down menu. v Select NetVista instructions. 8 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 15
the start of the diagnostic tests, the main menu appears. From this menu, select System Info, then select Hardware Configuration from the next menu. Normally, all installed devices it requires an additional diskette or service manual. v An unrecognizable device is installed. Chapter 3. Diagnostics 9 - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 16
the system board or SCSI adapter). v Use the procedure in "Undetermined problems" on page 75 to find the problem. following: v Determines if Alert On LAN is supported on the system. v Checks the revision ID register. v Verifies Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 17
run on the specified date. - Diagnostics were run on the specified IBM computer. - The diagnostic error code is recorded correctly. v Text: system management tool has detected a hard file SMART alert. The Smart test does the following: v Interrogates IDE devices for support of the SMART instruction - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 18
or FULL ERASE HARD DISK option and follow the instructions. Iomega Zip drive test Use the Iomega Zip system board. To run this utility, use the following procedure. v Select Utility v Select Asset EEPROM Backup 12 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 19
vary with the operating system. Refer to the operating system manual for instructions.) 2. Format the hard disk using the operating system. (The commands vary with the operating system. Refer to the operating system manual for instructions.) 3. Install the operating system. You are now ready - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 20
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slot 4 14 PCI slot 5 Removing the cover 1. Remove the two back thumb screws. 2. Disengage the keylock (if any) on the side of the computer. © Copyright IBM Corp. 2000 15 - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 22
3. Push the side cover toward the rear, using the two embosses at the back of the cover. 4. Remove the cover. Internal drive removal and replacement 16 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 23
1 Bay 1 - Max Height: 41.3 mm (1.6 in.) CD-ROM drive (standard in some models) 5.25-inch hard disk drive 2 Bay 2 - Max Height: 41.3 mm (1.6 in.) 5.25-inch hard disk drive 3.5-inch hard disk drive (requires a mounting bracket) CD-ROM drive DVD-ROM drive 3 Bay 3 - Max Height: 25.4 mm (1.0 in.) 3.5- - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 24
40X 48X Primary (Master) : : : : Secondary (Slave) : : : : Installing internal drives in bays 5, 6 and 7 1. Remove the cover (see "Removing the cover" on page 15). 18 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 25
2. Remove the side support bar. 3. Remove the front EMC shield for the specific drive bay. 4. Pivot the lower drive bay cage outward from the computer, into the locked position. Chapter 4. Installing Options 19 - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 26
swing the cage back into operating position. 7. Connect the cables to the drive. 8. Connect the power and signal cables to the drive. 20 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 27
Hard disk drive jumper settings IDE hard disk drives for the NetVista series computers use jumpers to set the drives as primary (master) or secondary (slave). Note: For drives not shown below, refer to the label on - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 28
install an adapter in a PCI or AGP expansion slot, do the following: 1. Remove the cover (see "Removing the cover" on page 15). 22 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 29
expansion slot. 3. Remove the adapter from its static-protective package. 4. Install the adapter into the appropriate slot on the system board. Note: If you are installing a Wake on LAN™ supported network adapter, attach the Wake on LAN cable that came with the adapter to the Wake on LAN connector - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 30
Some models come with a high-performance AGP video adapter. In some AGP adapters, the DVI connector is replaced by a regular VGA connector. 24 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 31
This connector provides (DVI) connector the signals necessary to support the Display Power Management Signaling (DPMS) standard. 2 you do not know which wiring scheme to use, contact the user's ADSL service provider. Home PNA network adapter Some models have a Home Phoneline Network Alliance - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 32
front bezel of the computer until the cover is fully closed. 3. Replace the two thumb screws and engage the keylock (if any). 26 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 33
Chapter 5. FRU Replacements Computer exploded view 28 A40/A40P/A40i system board layout . . . . . 29 System board locations 29 System board jumper settings 29 Clear CMOS/Flash Boot Block Recovery. . . 30 Processor Speed Settings 30 System board memory 30 Installing memory 30 PCI extender card - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 34
Computer exploded view 28 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 35
A40/A40P/A40i system board layout 34 33 32 31 System board locations 1 CPU fan connector 2 Microprocessor 3 DIMM 0 4 DIMM 1 5 port 32 Serial port 1 33 USB connectors 34 Mouse and keyboard connectors System board jumper settings The following table contains the jumper setting information. (D) - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 36
Flash Recovery Mode Normal Mode Note: The A40/A40P/A40i CMOS clear/recovery jumper pins are numbered as follows: v Pin 1 is the farthest from the battery. v Pins 2 and 3 are below pin 1, as seen in the System Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 37
and Vital Product Data (VPD) for the computer you are servicing must be installed on the new system board (FRU) after it is installed in the computer. To do this, you must run the Flash Update program using the Flash Update diskette. See "BIOS levels" on page 87, "Vital product data" on page 86, and - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 38
processor overheating. 2. If the processor is not installed correctly, the system board and the processor can be damaged. Replacing the speaker 1. Remove the cover (see "Removing the cover" on page 15). 32 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 39
. Check the power-on switch for continuity. FRU/Action Reseat Power Cord Power-on Switch 20-pin main power supply connection See "A40/A40P/A40i system board layout" on page 29 for connector locations. Attention: These voltages must be checked with the power supply cables connected to the - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 40
(see "Removing the cover" on page 15). 3. Remove the four screws that secure the power supply to the back of the chassis. 34 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 41
4. Remove the power supply. Chapter 5. FRU Replacements 35 - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 42
36 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 43
used to help you decide which FRUs to have available when servicing a computer. If you are unable to correct the problem using this index, go to "Undetermined problems" on page 75. Notes: v If you have both the same error code occurs again, replace the system board. © Copyright IBM Corp. 2000 37 - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 44
(back-up) the failing hard disk drive. 2. Using the operating systems programs, format the hard disk drive. 3. Go to "Preparing the hard disk drive for use" on page 13. Replace the hard disk drive. 38 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 45
000-196-XXX BIOS test halt, error threshold exceeded FRU/Action 1. No action 1. Flash the system 2. System board 1. Flash the system 2. System board 1. Flash the system 2. Boot block 3. System board 1. Flash the system 2. Boot block 3. System board 1. Run Setup 2. Flash the system 3. Boot block - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 46
1. Flash the system 2. System board 1. Run Setup 2. Flash the system 3. System board 1. System board 1. Reboot the system 2. Flash the system 3. Run memory test 4. System board 1. System board 1. System board 40 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 47
/or enabled 2. Flash the system and re-test 3. Go to the ″Undetermined problems″ section 1. Go to the ″Undetermined problems″ section 2. Flash the system and re-test 3. Replace component under function test 1. System board 1. System board 1. System board 1. Device on IRQ1 2. System board 1. Device - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 48
System board 1. Device on IRQ15 2. System board 1. System board 1. Run Setup and re-test 2. System board 1. Battery 2. System board 1. Flash the system 2. System board 1. System board 1. System board 42 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 49
BIOS extension failure 005-040-XXX Video IRQ failure 005-195-XXX Video Test aborted by user 005-196-XXX Video test halt, error threshold exceeded FRU/Action 1. Flash the system 2. System board 1. No action 1. Video card, if installed 2. System board 1. Video card, if installed 2. System board - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 50
, cause unknown section 2. Flash the system and re-test 3. Replace component under function test 006-25X-XXX Diskette interface Error 1. Diskette drive cable 2. Diskette drive 3. System board 44 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 51
out, make sure it is connected and/or enabled 2. Flash the system and re-test 3. Go to the ″Undetermined problems″ section 011-199-XXX Serial port test failed, cause unknown 1. Go to the ″Undetermined problems″ section 2. Flash the system and re-test 3. Replace component under function test 011 - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 52
problems″ section 2. Flash the system and re-test 3. Replace component under function test 1. External parallel device 2. System board 1. No action 1. Remove USB device(s) and re-test 2. System board 46 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 53
1. If a component is called out, make sure it is connected and/or enabled 2. Flash the system and re-test 3. Go to the ″Undetermined problems″ section 1. Go to the ″Undetermined problems″ section 2. Flash the system and re-test 3. Replace component under function test 1. No action 1. Riser card, if - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 54
under test 020-198-XXX PCI test aborted 1. If a component is called out, make sure it is connected and/or enabled 2. Flash the system and re-test 3. Go to the ″Undetermined problems″ section 48 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 55
If a component is called out, make sure it is connected and/or enabled 2. Flash the system and re-test 3. Go to the ″Undetermined problems″ section 1. Go to the ″Undetermined problems″ section 2. Flash the system and re-test 3. Replace component under function test 1. No action Chapter 6. Symptom - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 56
system and re-test 3. Replace component under function test 1. No action 1. RAID signal cable 2. RAID device 3. RAID adapter card, if installed 4. System board 1. Information 2. Re-start the test, if necessary 50 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 57
test 1. If a component is called out, make sure it is connected and/or enabled 2. Flash the system and re-test 3. Go to the ″Undetermined problems″ section 1. Go to the ″Undetermined problems″ section 2. Flash the system and re-test 3. Replace component under function test 1. No action 1. Run Setup - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 58
2. System board 086-040-XXX Mouse Port interface IRQ failure 1. Run Setup 2. Mouse 3. System board 086-195-XXX Mouse Port interface Test aborted by user 1. Information 2. Re-start the test, if necessary 52 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 59
is connected and/or enabled 2. Re-run test 3. Component that is called out in warning statement 4. Component under test 1. Flash the system and re-test 2. Go to the ″Undetermined problems″ section 1. If a component is called out, make sure it is connected and/or enabled 2. Go to the ″Undetermined - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 60
test 175-198-XXX Thermal Sensor(s) test aborted 1. If a component is called out, make sure it is connected and/or enabled 2. Flash the system and re-test 3. Go to ″Undetermined problems″ section 54 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 61
IDE) error FRU/Action 1. Go to the ″Undetermined problems″ section 2. Flash the system and re-test 3. Replace component under function test 1. Check fans 2. Check Power supply 3. Microprocessor 4. System board 1. No action 1. Flash system 2. System board 1. Assure Asset Security Enabled 2. C2 Cover - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 62
No action 1. Remove the Joystick and re-test the system 1. No action 1. Run Setup to enable DDC 2. Cable 3. Monitor 4. Video card 5. System board 1. No action 1. Remove the Modem and re-test the system 56 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 63
-write error 1-1-4 ROM BIOS check error 1-2-X DMA error System Board 1. System Board 1. System Board 1. Memory Module 2. System Board 1. Keyboard 2. System Board 1. Memory Module 2. System Board 1. Run Setup 2. System Board 1. Memory Module 2. System Board 1. Video Adapter (if installed) 2. System - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 64
(see "Setup Utility program" on page 7). 2. Set Power-On Self-Test to Enhanced. Symptom/Error No beep during POST but computer works correctly. FRU/Action 1. System Board 58 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 65
diskette drive is working v Verifies that the hard disk drive is working If the POST finishes without detecting any problems, a single beep sounds and the first screen of the operating system or application program appears. Note: Type 2271/6840/6841 computers default to come up quiet (no beep and no - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 66
, then power-on computer 4. CMOS Backup Battery (see "Safety Information" on page 125) System Board 5. System Board 6. Riser card 1. Diskette Drive 2. System Board 3. Diskette Drive Cable 4. Riser card 60 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 67
166 Boot Block Check Sum Error 1. Run Flash Recovery using Boot Block. See "Flash recovery boot block jumper" on page 88. 2. System Board 167 Microprocessor installed that is not supported by the current POST/BIOS 1. Run Setup. Check Stepping level for the BIOS level needed, then perform the - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 68
2. Keyboard Cable 3. System Board 1. Video Adapter (if installed) 2. System Board 1. Diskette Drive A 2. Diskette Drive Cable 3. System Board 4. Riser card 1. Bad Diskette? 2. Verify Diskette and retry 62 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 69
card 662 1. Diskette drive configuration error or wrong diskette drive type. Run Setup Configuration 6XX Not listed above 1. Diskette Drive 2. System Board 3. Riser card 4. External Drive Adapter 5. Diskette Drive Cable 6. Power Supply 762 Math coprocessor configuration error 1. Run Setup - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 70
Information only Information only 1. Run diagnostics 1. Run diagnostics 1. Run diagnostics 1. Printer 2. System Board 1. SDLC Adapter 1. Run FDISK to ensure at least one active partition is set active 64 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 71
page 7.) 1. See "Power supply" on page 33. 2. Hard Disk Drive 3. System Board 4. Riser card 5. Hard Disk Cable 6. Power Supply 1. Run Setup and ISA adapters. 4. Rerun diagnostics. 5. PCI Adapter 1. Possible hard disk drive problem; see "Hard disk drive boot error" on page 38. 1. Diskette Drive - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 72
Speech Control Assy. 1. Pointing Device (Mouse) 2. System Board 1. System Board 2. Pointing Device (Mouse) 1. Mouse 2. System Board 1. PC Music Adapter 2. MIDI Adapter Unit 1. Optical Drive 2. Adapter 66 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 73
device drivers are installed and operational. 2. Modem 1. System Board 2. Data/Fax Modem 3. Riser card 1. Check system speaker 2. Check PSTN cable 3. External DAA (if installed) 4. Modem 1. Run diagnostics and verify the correct operation of the modem slot 2. Modem 1. Diagnostics detected a non-IBM - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 74
diagnostics Information only 1. Hard Disk Drive (ESDI) 2. Drive Cable 3. System Board 1. Run diagnostics 1. Run diagnostics 1. Check Configuration 2. Ethernet Adapter 5.25-inch Diskette Drive Adapter/A 68 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 75
Modem Adapter 2. Any Serial Device 3. System Board 4. Riser card 1. ISDN Primary Rate Adapter 2. System Board 3. Riser card 1. System Board 1. Realtime Interface Coprocessor Portmaster Adapter/A 1. Japanese Display Adapter 2. System Board 3. Riser card 1. System Board Video Adapter 2. Adapter Video - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 76
, VRAM Image Adapter/A 1. Replace memory module (shown in Memory Test failure indicated by graphic of graphic) adapter 206XX 1. SCSI-2 Adapter 2. Any SCSI Device 3. System Board 4. Riser card 70 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 77
off, check external voltages 1. CD-ROM Drive I 2. CD-ROM Drive II Enhanced CD-ROM Drive II Any CD-ROM Drive 3. SCSI Cable 4. SCSI Adapter or System Board 216XX 1. Scanner 217XX If an external device, and power-on LED is off, check external voltages 1. Rewritable Optical Drive 2. SCSI Adapter or - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 78
diagnostic software 1. Personal Dictation System 2. Adapter 3. System Board 1. External FRU (Speaker, Microphone) 1. Possible hard disk drive problem; see "Hard disk drive boot error" on page 38. 72 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 79
in-use light remains on or does not light when drive is active. Flashing cursor with an otherwise blank display. Incorrect memory size during POST FRU/Action and signal cable connections to network adapter 2. Ensure that the operating system settings are set to enable Wake on LAN 3. Ensure Wake On - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 80
System Board 3. LED Cables Printer problems System Board Serial or parallel port device failure (adapter port) 1. External Device Self-Test OK? 2. External Device 3. Cable 4. Alternate Adapter 5. System Board 74 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 81
work FRU/Action 1. Keyboard 2. Keyboard Cable 3. System Board Undetermined problems Check the power supply voltages (see "Power supply IBM devices b. External devices (modem, printer, or mouse) c. Any adapters d. Riser card e. Memory modules Before removing or replacing memory modules, see "System - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 82
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Chapter 7. Parts 7 6 5 1 2 4 3 23 22 21 20 19 18 17 © Copyright IBM Corp. 2000 8 9 10 11 12 13 14 15 16 77 - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 84
9 9 9 10 11 12 13 14 15 15 15 16 17 System (types 2271/6840/6841) Cap Handle Kit (all) Support Handle (all) Bezel Blanks Kit (all) CD-ROM Drive - Read /6841 - all) Card Guide Assembly (all) Support Bracket (all) DASD Rotating Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 85
, VAT, VBU, VBF, VBA, VBT, VCC, VCM, VCV, VCD) (6841 - TAx, T2U, VAU, VCJ) SYST BD W/O MEM/PROC MERLOT W/O POV Card (2271/6840/6841- all) System Board Merlot W/POV Card (2271/6840 - none) (6841 - all) PCI Extender Card (all) 200W Power Supply (all) 200W Power Supply - Japan (2271 - ECG, GCG, TAG - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 86
Index 23 System (types 2271/6840/6841) Bezel Release Bar (all) Chassis Assembly (all) Side Panel With Nameplate (all) Speakers 06P7133 06P7131 22P1069 37L5566 37L4525 76H4228 10L6145 28L1865 09N5764 80 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 87
Index System (types 2271/6840/6841) Modem - Universal (2271 - all except ECU, GCU) (6840/6841 - none) Modem - Domestic (2271 - ECU, GCU) (6840/6841 - none) Cable Hardfile - ATA (2- - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 88
Turkish - ID 179 Turkish - ID 440 UK English Yugoslavian UK English (ISO) Japanese Chinese Korean Thai 37L2542 37L2543 37L2544 37L2545 37L2546 37L2547 37L2548 28L1860 37L2550 82 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 89
Computer Power Cords Arabic Australian Belgian Bulgarian Canadian Czech Denmark Finland France German Hungarian Israel Italian Latin American Netherlands New Zealand Norwegian Polish Portuguese Serbian Slovakian South African Spanish Swiss Swiss - French/German US English UK - Ireland Yugoslavian - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 90
32P4250 Special tools The following tools are required to service the computer models/types listed in this section of the service manual v Volt-ohm meter, IBM P/N 73G5404 v Wrap Plug, IBM P/N 72X8546 84 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 91
To service a computer with an active and unknown power-on password, power-off the computer and use the following procedure. Note: On some models, this procedure will also remove the administrator password. 1. Unplug the power cord and remove the top cover. 2. Refer to "A40/A40P/A40i system board - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 92
is between the customer and the servicer. The servicer can use the DMI MIF Browser to update the MIF information in the EPROM. It is anticipated that some servicers might charge for this service. 86 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 93
Operating system or BIOS available 1. IBM PC Company Home Page http://www.ibm.com/pc/us/ 2. PC PartnerInfo-Technical Database (CTSTIPS.NSF) 3. HelpCenter 4. Levels 1 and 2 Support To update (flash) the BIOS, see "Flash (BIOS/VPD) update procedure" on page 88. Chapter 8. Additional Service - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 94
flash (BIOS/VPD) update procedure. 9. When you are instructed to reboot the computer, power-off the computer and move the recovery jumper to the normal position. Then replace the cover and power-on the computer. 88 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 95
the computer and the setting for Advanced Power Management (APM) BIOS mode are ignored. Not all operating systems support ACPI BIOS mode. Advanced Power Management Energy-saving settings can be viewed to be disabled or to be reduced at these power states: Chapter 8. Additional Service Information 89 - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 96
Setup Utility program menu. 3. Select the APM BIOS Mode and be sure it is set to Esc and follow the instructions on the screen. This feature allow PCI cards that support this capability to wake the system. v Wake Up on Alarm: Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 97
Network) v Wake on LAN Flash over LAN (update POST/BIOS over network) Note: For local Flash (BIOS/VPD) update, see "Flash (BIOS/VPD) update procedure" on page 88. This setting is used to enable or disable the Flash over LAN feature. When the feature is enabled, the system programs, in the computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 98
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problem determination tips. Note: This manual is intended for trained servicers who are familiar with IBM Personal Computer products. Use this manual along with advanced diagnostic tests to troubleshoot problems effectively. Before servicing an IBM décrites par les instructions. Lesen Sie alle - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 100
Lea atentamente todas las declaraciones de precaución y peligro ante de llevar a cabo cualquier operación. 94 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 101
discharge-sensitive devices 127 Safety inspection guide 127 Problem determination tips 129 File updates 129 Adding adapters to the system 130 Software considerations 130 BIOS 130 Drivers 130 Hardware considerations 131 System resource conflicts 132 Miscellaneous Information 134 - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 102
cable Note: In the UK, the power cord must be must be connected after the power cord. disconnected after the telephone cable. 96 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 103
CAUTION: When replacing the battery, use only IBM Part Number 33F8354 or an equivalent type battery recommended by the manufacturer. If your system has a module containing a lithium battery, replace battery as required by local ordinances or regulations. Chapter 10. Related Service Information 97 - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 104
of the CD-ROM drive could result in exposure to hazardous laser radiation. There are no serviceable parts inside the CD-ROM drive. Do not remove the CD-ROM drive covers. DANGER exposure to the beam. 98 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 105
≥ 32 kg (70.5 lbs) ≥ 55 kg (121.2 lbs) CAUTION: Use safe lifting practices when lifting your machine. Chapter 10. Related Service Information 99 - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 106
, disconnect the attached power cords, telecommunications systems, networks, and modems before you open the server covers, unless instructed otherwise in the installation and configuration procedures. 100 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 107
tudo. 2. Remova primeiro o(s) cabo(s) de alimentação das tomadas. 3. Remova os cabos de sinal dos receptáculos. 4. Remova todos os cabos dos dispositivos. Chapter 10. Related Service Information 101 - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 108
substituir a bateria, utilize apenas o Número de Peça IBM 33F8354 ou um tipo de bateria equivalente recomendado pelo fabricante. a bateria conforme requerido pelas disposições e regulamentações locais. 102 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 109
o seguinte. Radiação de laser quando aberto. Não olhe diretamente para o feixe de laser, não olhe diretamente com instrumentos óticos, e evite exposição direta ao raio. Chapter 10. Related Service Information 103 - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 110
≥ 32 kg (70.5 lbs) ≥ 55 kg (121.2 lbs) Cuidado: Utilize práticas seguras para levantamento de peso ao levantar sua máquina. 104 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 111
de telecomunicação, redes e modems antes de abrir as tampas do servidor, a menos que receba outras instruções nos procedimentos de instalação e configuração. Chapter 10. Related Service Information 105 - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 112
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Chapter 10. Related Service Information 107 - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 114
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Chapter 10. Related Service Information 109 - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 116
sent produit ou des périphériques qui lui sont raccordés, reportez-vous aux instructions ci-dessous pour connecter et déconnecter les différents cordons. Connexion Déconnexion les câbles des unités. 110 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 117
Remplacez la pile usagée par une pile de référence identique exclusivement - voir la référence IBM - ou par une pile équivalente recommandée par le fabricant. Si votre système est à l'aide d'instruments optiques. évitez une exposition directe au rayon. Chapter 10. Related Service Information 111 - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 118
, ainsi que les câbles qui le relient aux réseaux, aux systèmes de télécommunication et aux modems (sauf instruction contraire mentionnée dans les procédures d'installation et de configuration). 112 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 119
von Anschlußbuchsen lösen. 3. ZSignalkabel an Anschlußbuchsen anschließen. 4. Alle Kabel von Einheiten lösen. 4. Netzstecker an Steckdose anschließen. 5. Gerät einschalten. Chapter 10. Related Service Information 113 - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 120
nur durch eine Batterie mit der IBM Teilenummer 33F8354 oder durch eine vom Hersteller empfohlene Batterie ersetzen. Wenn Ihr System ein Modul mit einer Lithium-Batterie den Strahlungsbereich meiden. 114 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 121
Netzkabeln, Telekommunikationssystemen, Netzwerken und Modems ist vor dem öffnen des Servergehäuses zu unterbrechen (sofern in Installations-und Konfigurationsanweisungen nicht anders angegeben). Chapter 10. Related Service Information 115 - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 122
tutti i dispositivi. 2. Rimuovere prima il(i) cavo(i) di alimentazione dalla presa elettrica. 3. Rimuovere i cavi di segnale dalle prese. 4. Rimuovere tutti i cavi dalle unità. 116 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 123
sostituisce la batteria, utilizzare solo una batteria IBM o batterie dello stesso tipo o di controlli, regolazioni o l'esecuzione di procedure on descritti nel presente manuale possono provocare l'esposizione a radiazioni pericolose. L'apertura di un'unit . Chapter 10. Related Service Information 117 - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 124
, i sistemi di telecomunicazioni, le reti e ed i modem prima di aprire i coperchi del servente se non diversamente indicato nelle procedure di installazione e configurazione. 118 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 125
Chapter 10. Related Service Information 119 - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 126
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Chapter 10. Related Service Information 121 - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 128
de alimentación de las tomas. 3. Retire los cables de señal de los receptáculos. 4. Retire todos los cables de los dispositivos. 122 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 129
Percaución: Al cambiar la batería, utilice únicamente la batería IBM Número de pieza 33F8354 o un tipo de batería equivalente recomendado por el fabricante. Si el haz, no lo observe directamente con instrumentos ópticos y evite la exposición directa. Chapter 10. Related Service Information 123 - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 130
antes de abrir las cubiertas del servidor, salvo que se indique lo contrario en las instrucciones de las operaciones de instalación y configuración. 124 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 131
the safety information with which you need to be familiar, before you service an IBM computer. General Safety Follow these rules to ensure general safety: v grounding of the computer is required for operator safety and correct system function. Proper grounding of the electrical outlet can be verified - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 132
work with very high voltages; these instructions are in the safety sections of maintenance cause personal injury and machine damage. v Do not service the following parts (or similar units) with the power Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 133
a double-insulated or battery-operated system. You can use coax or connector-outside shells on these systems. - Use the round ground to protect users and service personnel from injury. This guide addresses only those items of non-IBM features or options not covered by this inspection guide. If any - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 134
worn, frayed, or pinched cables. 8. Check that the power-supply cover fasteners (screws or rivets) have not been removed or tampered with. 128 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 135
" and "non-working" systems will often resolve problems. File updates Use the World Wide Web (WWW) to download Diagnostic, BIOS Flash, and Device Driver files. To download NetVista file, do the following: v Go to http://www.ibm.com/. v Select Support. v Select Desktop computing from the ″Search - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 136
the following: v IRQ level v DMA channel v I/O address v ROM or RAM. Some device drivers like HIMEM.SYS are position sensitive and must be placed before other device drivers in the CONFIG.SYS file. 130 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 137
a direct driver Direct drivers, which bypass BIOS, have the advantage of faster throughput, but the disadvantage of limited error-handling capability and reduced software and hardware compatibility and flexibility. This method is not used in the IBM PC Series systems. v Operating system to BIOS to - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 138
. If multiple assignments of the same I/O address occur, the system will hang. Use the DOS MEM command to check for multiple assignments to the same I/O address before replacing any hardware component. 132 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 139
have onboard memory, then the following are true. v ROM contains operating instructions for the adapter I/O. v RAM is used for buffering. Two adapters addresses all become potential conflicts and system problems. When conflicts arise, they might show up as system hangs, lost or missing devices, - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 140
Alt ANSI ARTIC ASCII AT AVC BIOS bps BPS CCITT CCS CCSB CCSB Video Connection Basic Input/Output System Bits Per Second Bytes Services Digital Network Local Area Network Local Block Address Local Transfer Bus 134 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 141
Distribution Division Network Driver Interface Specification Non-Maskable Interrupt National Support Center Non-Volatile Tape) Subsystem Control Block Small Computer Systems Interface SCSI Identification Number Software Product Description Service Representative Static Random Access Memory Super - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 142
this manual? Please comment. h Yes h No 2. What would you like to see added, changed, or deleted in this manual 3. What is your service level experience level? h Less than five years h More than five years 136 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 143
4. Which computers do you service most Thank you for your response! Chapter 10. Related Service Information 137 - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 144
this document does not give you any license to these patents. You can send license inquiries, in writing, to: IBM Director of Licensing IBM Corporation North Castle Drive Armonk, NY 10504-1785 U.S.A. 138 Hardware Maintenance Manual A40 Type 6840 A40P Type 6841 A40i Type 2271: IBM NetVista Computer - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 145
IBM Netfinity NetVista PC 700 Predictive Failure Analysis SelectaSystem SystemView TrackPoint XGA Aptiva BookManager FaxConcentrator HelpFax Intellistation Netfinity Manager OS/2 Personal System Corporation. Other company, product and service names used in this publication may be trademarks or - Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 146
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- Lenovo NetVista | Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 148
Part Number: 06P1775 Printed in USA (1P) P/N: 06P1775
Hardware Maintenance Manual
A40 Type 6840
A40P Type 6841
A40i Type 2271
IBM NetVista Computer
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