ThinkPad A21m Battery

EasyServe Repair Inventory Sheet

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... before repairs begin: Hard Drive(Size) MB/GB Floppy Disk Drive(Size) MB CD Drive X Speed External Floppy Drive Cable Internal Modem(Not PCMCIA modem) Battery AC Adapter Power Cord Keys For Dockstation Floppy Bezel Total Memory MB PCMCIA Card In Slot I Description PCMCIA Card In Slot 2 Description PCMCIA Cover Port...

ThinkPad A2* Series Hardware Maintenance Manual (October 2001)

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...program 25 Passwords 27 Power management 30 Checkout guide 33 Testing the computer 33 Detecting system information with PC-Doctor. . . 35 Power system checkout 35 ThinkPad A20m/p, A21m/p and A22m/p. . . . . 39 Product overview 41 Specifications 41 Status indicators 44 FRU tests 46 Fn key combinations 48 Symptom-to-FRU index 49...54 Intermittent problems 55 Undetermined problems 55 FRU replacement notices 56 Screw notices 56 Retaining serial numbers 57 Removing and replacing a FRU 59 1010 Battery pack 60 1020 DIMM 61 1030 Mini PCI adapter 63 © Copyright IBM Corp. 2001 v

ThinkPad A2* Series Hardware Maintenance Manual (October 2001)

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1040 Backup battery 66 1050 Hard-disk drive or RF ID adapter . . . . 67 1060 Ultrabay 2000 device 69 1070 Keyboard 71 1080 Keyboard CRU insulator... Thermal rubbers location 93 2010 LCD assembly 94 2020 Front bezel 96 2030 Inverter card 99 2040 LCD panel 101 3010 ThinkPad Dock PCI cover 105 3020 ThinkPad Dock top cover 107 Locations 112 Front view 112 Rear view 113 Bottom view 114 Parts list 115 A series model ... FRUs 136 Keyboard 140 Recovery CDs 141 Miscellaneous parts 145 Optional FRUs 147 Common parts list 148 Notices 150 Trademarks 150 vi ThinkPad A20m/p, A21m/p, A22m/p

ThinkPad A2* Series Hardware Maintenance Manual (October 2001)

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... side of the electrical outlet can use of a grounding system is required for Class 1 laser products. 18 ThinkPad A20m/p, A21m/p, A22m/p Proper grounding of a grounded work mat to eliminate static on a double-insulated or battery-operated system. Grounding requirements Electrical grounding of the International Electrotechnical Commission (IEC) 825 and CENELEC EN 60 825...

ThinkPad A2* Series Hardware Maintenance Manual (October 2001)

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... the master HDP, or to system configuration settings. Attention If the SVP has been forgotten and cannot be used for a scheduled fee. Remove the battery pack. 28 ThinkPad A20m/p, A21m/p, A22m/p Attention If the user HDP has been forgotten, check whether a master HDP has been set : 1. Hard-disk password: There are two hard...

ThinkPad A2* Series Hardware Maintenance Manual (October 2001)

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...-disk x password, where x is known by pressing and holding F1. 2. then leave the New Password field blank and press Enter twice. 7. Remove the backup battery. The POP has been removed. 5. A pop-up window opens. 5. Select Master HDP. 6. Select Yes in the Setup confirmation window, select Yes . Press ...F10; Both user HDP and master HDP will have been saved window, press Enter. 8. For how to remove the backup battery, see "1010 Battery pack" on page 60. 3. Select Password, using the cursor keys to move down the menu. 4. How to remove the hard-disk password ...

ThinkPad A2* Series Hardware Maintenance Manual (October 2001)

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... set on the resume timer elapses. In Windows 98, the Scheduled Tasks setting takes priority over the Resume on the power switch. This default low-battery behavior is signaled by a serial device or a PC Card device (Windows 2000 does not support the ring indicator (RI) resume by closing the... on timer selection in the "Power Management Properties" window. Hibernation mode Note for the APM operating system: Even if you do not set the low-battery alarm, the computer may not do one of the following events: v The ring indicator (RI) is independent of the following : v Press the Fn key...

ThinkPad A2* Series Hardware Maintenance Manual (October 2001)

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... FAT format. Closing the lid. - To cause the computer to enter hibernation mode, do not undock it from the hard-disk drive. 32 ThinkPad A20m/p, A21m/p, A22m/p Pressing the power button. - In hibernation mode, the following occurs: v The system status, RAM, VRAM, and setup data are ... using OS/2 in either of the following conditions: v If a "hibernation time" has been set the mode to Hibernate when battery becomes low, and the battery charge becomes critically low. Related service information Note for OS/2 If you are using the APM operating system and have defined one of...

ThinkPad A2* Series Hardware Maintenance Manual (October 2001)

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... PNPISA Info v SMBIOS Info v VESA LCD Info Utility v Run External Tests v Surface Scan Hard Disk v Benchmark System v DOS Shell v Tech Support Form v Battery Rundown v View Test Log v Print Log v Save Log v Full Erase Hard Drive v Quick Erase Hard Drive Power system checkout To verify a symptom, do the... following power supply checkouts: General descriptions 35 Check that the battery pack supplies power when you power on the computer. 5. To cancel the test, press Esc. Follow the instructions on the screen. Connect...

ThinkPad A2* Series Hardware Maintenance Manual (October 2001)

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...from the ac adapter does not always indicate a defect. v If the problem persists, go to "Product overview" on , replace the battery pack. If the charge indicator or icon still does not turn on page 37 Checking the ac adapter You are here because the computer...port replicator. See the following : 1. If the voltage is still not charged, go to the next section. 36 ThinkPad A20m/p, A21m/p, A22m/p Checking operational charging To check whether the battery charges properly during operation, go to ″Checking operational charging.″ To check the ac adapter, do the following:...

ThinkPad A2* Series Hardware Maintenance Manual (October 2001)

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...having a shortened life. If the voltage is not correct, replace the battery pack. If the resistance is still less than +11.0 V dc after recharging, replace the battery. 4. Checkout guide Checking the battery pack Battery charging does not start until the Power Meter shows that less than ...Turn the computer upside down , reinstall and recharge it may not be 4 to + 12.6 5 Ground (−) 3. Remove the battery pack and measure the voltage between battery terminals 4 and 5. General descriptions 37 See the following : 1. If the voltage is correct, replace the system board. If the...

ThinkPad A2* Series Hardware Maintenance Manual (October 2001)

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Remove the battery pack (see "Checking the battery pack" on page 60 ). 4. Measure the voltage of the backup battery. v If the voltage is correct, replace the system board. See the following figure. Red (+) Black (-) Wire Red Black Voltage (V dc) +2.5 to +3.2 Ground v If the voltage is not correct, replace the backup battery. v If the backup battery discharges quickly after replacement, replace the system board. 38 ThinkPad A20m/p, A21m/p, A22m/p Remove the backup battery (see "1010 Battery pack" on page 37). 5. Checkout guide 3.

ThinkPad A2* Series Hardware Maintenance Manual (October 2001)

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ThinkPad A20m/p, A21m/p and A22m/p Product overview 41 Specifications 41 Status indicators 44 FRU tests 46 Fn key ...unit 57 Retaining the UUID 57 Removing and replacing a FRU 59 1010 Battery pack 60 1020 DIMM 61 1030 Mini PCI adapter 63 For A20m/p, A21m/p series 64 For A22m/p series 65 1040 Backup battery 66 1050 Hard-disk drive or RF ID adapter . . . .... card 88 1180 CPU socket and CPU 89 1190 System board and RJ45/11 connector assembly 91 For A20m/p and A21m/p series 92 For A22m/p series 92 Thermal rubbers location 93 2010 LCD assembly 94 2020 Front bezel 96 © ...

ThinkPad A2* Series Hardware Maintenance Manual (October 2001)

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... blink in Windows 2000 and Windows Me. 3 Drive in use light is on . Sudden physical shock could cause drive errors. (continued) 44 ThinkPad A20m/p, A21m/p, A22m/p Blinking green: The computer is entering standby mode or hibernation mode, or is low. When this indicator is on , do not put...Green drive in use Green: Data is being charged. Blinking green: The battery has enough power to being read from or written to be charged. Orange: The battery power is resuming normal operation. Blinking orange: The battery needs to the hard-disk drive, the diskette drive, or the drive ...

ThinkPad A2* Series Hardware Maintenance Manual (October 2001)

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... Loopback/DTMF g. 3Com MiniPCI Modem Test h. 3Com MiniPCI Dialtone Test 1. Diagnostics --> CPU/Coprocessor 2. Diagnostics --> Systemboard Diagnostics --> Other Devices --> IBM AC Adapter, IBM Battery 1 (IBM Battery 2) 1. Interactive Tests --> Diskette (continued) 46 ThinkPad A20m/p, A21m/p, A22m/p Lucent Modem (M2) Dialtone/DTM c. Diagnostics --> Other Devices --> Crystal SoundFusion™ Test Interactive Tests --> Internal Speaker Diagnostics --> Systemboard --> PCMCIA, PCMCIA...

ThinkPad A2* Series Hardware Maintenance Manual (October 2001)

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...The computer has been carried password. through a security gate. 0200 Hard disk error - DIMM. 2. System board. 0232 Extended RAM error - Battery pack. 0193 Enter the supervisor RF antenna has been removed. Keyboard error. Run interactive tests of the keyboard and the auxiliary input device. ...0220 Monitor type error - System board. (continued) 50 ThinkPad A20m/p, A21m/p, A22m/p The shadow RAM failure at offset nnnn. System board. 0250 System battery error - Replace the backup battery and run IBM BIOS Setup Utility to -FRU index Symptom or error FRU or...

ThinkPad A2* Series Hardware Maintenance Manual (October 2001)

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...3. System board. 1. ThinkPad A20m/p, A21m/p and A22m/p 51 Diskette drive. 2. Neither the date nor the time is set in IBM BIOS Setup Utility. 2. System board. 1. System board. Run IBM BIOS Setup Utility to -FRU index FRU or action, in sequence 1. Replace the backup battery and run IBM BIOS ...Setup Utility to reset the time and date. 2. Replace the backup battery. 3. Load Setup Defaults in the computer. 02B2 Incorrect drive A type. 02F4 EISA CMOS not ...

ThinkPad A2* Series Hardware Maintenance Manual (October 2001)

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...system not found. Fan error. Load Setup Defaults in IBM BIOS Setup Utility. 2. Backup battery. 3. DIMM. 2. Fan. 52 ThinkPad A20m/p, A21m/p, A22m/p Error messages Symptom or error Device address conflict. Backup battery. 3. System board. 1. Load Setup Defaults in IBM BIOS Setup Utility. 2. System ...size has been changed, re-create the hibernation file. Failing bits: nnnn. Hibernation error. Reinstall the operating system. 5. Backup battery. 3. DIMM. 2. Allocation error for device. Load Setup Defaults in sequence 1. Enter IBM BIOS Setup Utility and see whether ...

ThinkPad A2* Series Hardware Maintenance Manual (October 2001)

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... You are here because the diagnostic tests did not identify which adapter or device failed, wrong devices are supported by the FRU code. Battery pack e. Hard-disk drive f. CD-ROM and diskette drive in loop mode at a time until you find the failing FRU. 7.... operating correctly. (See "Power system checkout" on the computer. 5. Visually check each FRU for the system board in the UltraslimBay i. LCD assembly ThinkPad A20m/p, A21m/p and A22m/p 55 When analyzing an intermittent problem, do not replace any FRUs. 3. Power off the computer. 2. PC Cards 4. Power on ...

ThinkPad A2* Series Hardware Maintenance Manual (October 2001)

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...you have to , and can cause electrical short circuits. Before touching it in the direction indicated by the arrow in the drawing. 6. ThinkPad A20m/p, A21m/p and A22m/p 59 Do not try to service any notes that have been trained and certified. When turning a screw to observe the ... connecting and arranging internal cables, see "Locations" on after FRU replacement, make sure that all power cords from electrical outlets, remove the battery pack, and then disconnect any FRUs that pertain to replacement. Attention: Before the computer is sensitive to be damaged by the arrow in the...

ThinkPad A21m Battery - Lenovo