IBM A21P - Manual

IBM A21P

IBM A21P – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – Note
  • Page 3 – About this manual; The manual is divided into sections as follows:; Important; iii
  • Page 4 – iv
  • Page 5 – Contents
  • Page 7 – Introduction; Important service information; Strategy for replacing FRUs; Before replacing parts; The setup configuration on the computer you
  • Page 8 – Strategy for replacing a hard-disk drive; The drive startup sequence in the computer; How to use error messages
  • Page 9 – Safety notices: multilingual translations; Safety notice 1
  • Page 16 – Safety notice 5
  • Page 20 – Follow these rules to ensure general safety:
  • Page 21 – Electrical safety
  • Page 22 – Do not use worn or broken tools and testers.; Safety inspection guide
  • Page 23 – Notes
  • Page 24 – – Attach the ESD ground clip to any frame ground,; Grounding requirements
  • Page 27 – DANGER
  • Page 29 – General descriptions; Read this first; Important notes; What to do first; display, and beep symptoms
  • Page 30 – The following are not covered under warranty:
  • Page 31 – Note: The recovery process might take up to 2 hours.
  • Page 32 – Creating the service partition:; Note: If you do not want to create the Service; To create a recovery repair diskette
  • Page 33 – To use the recovery repair diskette:; turn on the computer.; Passwords; Exception: If only an SVP is installed, the password
  • Page 34 – User HDP—for the user; Note: There are two modes for the HDP: User only and; How to remove the power-on password
  • Page 35 – How to remove the hard-disk password; Attention
  • Page 36 – Power management; Screen blank mode
  • Page 37 – Turn on the power switch.; Note: The computer does not accept any input; Hibernation mode; Note for Windows NT
  • Page 38 – Note: If the computer enters the hibernation mode while it; If the timer conditions are satisfied in suspend mode.
  • Page 39 – Note: The diagnostic tests are intended to test only IBM; Identify the failing symptoms in as much detail as; Testing the computer; Note: When you initialize the computer configuration,; power on the computer.
  • Page 40 – The options on the test menu are as follows:
  • Page 41 – Power system checkout
  • Page 42 – Checking the ac adapter; Note: Noise from the ac adapter does not always indicate; Checking operational charging
  • Page 43 – Checking the battery pack; Note: If the battery pack becomes hot, it may not be able; Note: Recharging will take at least 3 hours, even if the; indicator does not turn on.; Checking the backup battery
  • Page 44 – If the voltage is correct, replace the system board.
  • Page 47 – “Specifications”; Specifications
  • Page 50 – Status indicators
  • Page 52 – FRU tests; The following table shows the test for each FRU.
  • Page 54 – Fn key combinations
  • Page 55 – Numeric error codes
  • Page 58 – Error messages
  • Page 59 – Beep symptoms; No beep symptoms
  • Page 61 – Intermittent problems; mode at least 10 times.; Undetermined problems; Remove or disconnect all of the following devices:
  • Page 62 – Plastic to plastic; 0 degrees more; Logic card to plastic
  • Page 63 – Retaining serial numbers; Note: The serial number of the system unit is written on; Retaining the UUID
  • Page 67 – Note: Loosen the screw
  • Page 68 – When installing: With the notched end of the DIMM
  • Page 70 – Note: The illustration shows the combo card. Connector; depends
  • Page 71 – When installing: With the notched end of the card toward
  • Page 73 – 050 Hard-disk drive or RF ID adapter
  • Page 74 – When installing: Make sure that the HDD connector is
  • Page 75 – Note: When you release the switch in step; the lever
  • Page 77 – “1050 Hard-disk drive or RF ID adapter” on page 67
  • Page 79 – When installing: When installing the keyboard, do as; Install the new keyboard, following the directions in the
  • Page 80 – 080 Keyboard CRU insulator
  • Page 81 – 090 Hinge cover and clear sheet icon; When installing: Stick the new clear sheet icon suitable
  • Page 82 – 100 Keyboard bezel and speaker
  • Page 83 – Cable routing: When replacing the cable, see the; preceding figure for its cable routing.
  • Page 84 – 110 Microphone and speaker cable; When installing: Make sure that you fasten the connector
  • Page 90 – Installation notice for A21m/p and A22m/p series; -part of the fan as shown in the
  • Page 92 – The heatpipe A and the screw; are for the; When installing: Do not press the; -part of the diskette
  • Page 94 – Cable routing: When replacing the modem cable, see the; figure for the cable routing.
  • Page 96 – When installing the CPU, do as shown in the figure.
  • Page 98 – Note: When installing the new RJ45/11 connector
  • Page 99 – Thermal rubbers location; Bottom side of the system board
  • Page 104 – has a identifying mark (
  • Page 111 – 010 ThinkPad Dock PCI cover
  • Page 112 – Note: Following illustration shows the PCI cover removal
  • Page 113 – 020 ThinkPad Dock top cover
  • Page 115 – remove the top cover
  • Page 117 – Make sure that the release button works correctly.
  • Page 118 – Note: The Ultrabay 2000 accepts storage
  • Page 119 – Rear view
  • Page 120 – Bottom view
  • Page 129 – Overall
  • Page 142 – AC adapter; LCD FRUs
  • Page 146 – Keyboard
  • Page 147 – Recovery CDs
  • Page 151 – Miscellaneous parts
  • Page 153 – Optional FRUs
  • Page 154 – Common parts list
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IBM Mobile Systems
ThinkPad Computer
Hardware Maintenance Manual

October 2001

This manual supports:

ThinkPad A20m, A21m, A22m

(MT 2628/2633)

A20p, A21p, A22p

(MT 2629)

ThinkPad Dock (MT 2631)

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Summary

Page 2 - Note

Note Before using this information and the product itsupports, be sure to read the general informationunder “Notices” on page 150. Second Edition (October 2001) The following paragraph does not apply to the UnitedKingdom or any country where such provisions areinconsistent with local law:INTERNATION...

Page 3 - About this manual; The manual is divided into sections as follows:; Important; iii

About this manual This manual contains service and reference information forIBM ThinkPad A20, A21, A22 (MT2628, 2629, 2633), andThinkPad Dock (MT2631) products. Use this manual alongwith the advanced diagnostic tests to troubleshootproblems. The manual is divided into sections as follows: v The comm...

Page 4 - iv

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