IBM MT 2632 manual Dimm

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		Symptom-to-FRU index

Symptom or error	FRU or action, in sequence

0190	1.	Charge the battery pack.
Critical low battery error.	2.	Battery pack.

0200	1.	Reseat the hard-disk
Hard disk error — The hard		drive.
disk is not working.	2.	Load Setup Defaults in IBM
	2.	Load Setup Defaults in IBM
		BIOS Setup Utility.
	3.	Hard-disk drive.
	4.	System board.

021x	Run interactive tests of the
Stuck key — Keyboard error.	keyboard and the auxiliary
	input device.

0220	Load Setup Defaults in IBM
Monitor type error — Monitor	BIOS Setup Utility.
type does not match the one
specified in CMOS.

0230	System board.
Shadow RAM error — The
shadow RAM failure at offset
nnnn.

0231	1.	DIMM.
System RAM failure at offset	2.	System board.
nnnn.

0232	1.	DIMM.
Extended RAM error —	2.	System board.
Extended RAM failure at offset
nnnn.

0250	Replace the backup battery
System battery error — System	and run IBM BIOS Setup
battery is dead.	Utility to reset the time and
	date.

0251	Replace the backup battery
System CMOS checksum	and run IBM BIOS Setup
bad— Default configuration	Utility to reset the time and
used.	date.

0252	Reset the password by
Password checksum bad —	running IBM BIOS Setup
The password is cleared.	Utility.

0260	1.	Replace the backup
System timer error.		battery and run IBM BIOS
		Setup Utility to reset the
		time and date.
	2.	System board.

0270	1.	Replace the backup
Real-time clock error.		battery and run IBM BIOS
		Setup Utility to reset the
		time and date.
	2.	System board.

0271	Run IBM BIOS Setup Utility to
Date and time error — Neither	reset the time and date.
the date nor the time is set in
the computer.

(continued)

42ThinkPad A21e

Image 46

Contents Page Copyright IBM Corp Contents LCD FRU Before replacing parts Important service informationStrategy for replacing FRUs Diskette compatibility matrix How to use error messagesStrategy for replacing a hard-disk drive Safety notices multilingual translations Safety noticeSafety notice Continuation of Safety notice Safety notice Safety notice Continuation of Safety notice Safety notice Safety notice Safety notice Safety information General safetyElectrical safety Safety inspection guide Handling electrostatic discharge-sensitive devices Grounding requirements Laser compliance statementDo not open ThinkPad A21e Read this first What to do firstFollowing are not covered under warranty Using Recovery CD Related service informationService Web site To create Service Partition SPHard-disk password PasswordsPower-on password Supervisor passwordHow to remove the hard-disk password How to remove the power-on passwordSelect Power-On Password Standby mode Power managementScreen blank mode Select either User HDP or Master HDPHibernation mode Related service information Testing the computer Checkout guideDiagnostics Interactive Tests Hardware Info Power system checkoutDetecting system information with PC-Doctor UtilityChecking the ac adapter Checking operational chargingFor Lithium ion battery Checking the battery packFor Nickel metal hydride battery Checking the backup battery ThinkPad A21e Trademarks Specifications Product overviewStatus indicators Blinking orangeIndicator Meaning FRU Tests Following table shows the test for each FRUFRU Fn key combinations Fn + F3Symptom-to-FRU index Numeric error codesDimm IBM Bios Setup Utility Error messages Beep symptoms LCD-related symptoms Intermittent problemsFRU replacement notices Undetermined problemsScrew notices Logic card to plastic Retaining serial numbersPlastic to plastic Torque driverRetaining the Uuid Restoring the serial number of the system unitSelect 2. Read S/N data from Eeprom Removing and replacing a FRU Battery pack Dimm Mini PCI adapter Removing and replacing a FRU Backup battery DimmHard-disk drive Do not drop or apply any shock to the hard-diskRemoving and replacing a FRU Ultrabay 2000 device ThinkPad A21e Keyboard ThinkPad A21e Connector on the underside of the key then push Keyboard CRU insulator Hinge cover Keyboard bezel and speaker Step Screw quantity Torque Speaker cable Sub card M2.5 × 4.8 mm, nylon-coated 39.2 Ncm Kgfcm PC Card slot assembly Fan assembly Removing and replacing a FRU Diskette drive Upper shield System board M2.5 × 4.8 mm, nylon-coated 39.2 Ncm Kgfcm LCD assembly ThinkPad A21e Front bezel ThinkPad A21e Inverter card 12.1-in. panel14.1-in. and 15.0-in. panels LCD panel ThinkPad A21e 2628-Jxx M2.0 × 5.7 mm 24.5 Ncm Nylon-coated Kgfcm ThinkPad A21e Locations Front view Rear view Bottom view Parts list Parts marked with asterisk are CRU customer replacable unit MB Sdram SO Dimm LCD FRU 15.0-in. XGA TFT LG Keyboard Miscellaneous parts ThinkPad A21e Optional FRUs Common parts list Power cords systemTrademarks ThinkPad A21e Part Number 06P8883