Question about IBM ThinkPad A21m 2628 Notebook

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CRC1 0175 Error

At start up immediatly after POST error appears. CRC1 0175 Error and eeprom checksum error. all fucntions are disabled except the power button. i changed the cos battery but no effect

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Not saying this in an answer, but make sure memory installed correctly. There are a few funny things which i've had happen just because memory not in place correctly..

Posted on Mar 12, 2008

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This error is typical of a problem with the system board.
http://www-307.ibm.com/pc/support/site.wss/document.do?sitestyle=lenovo&lndocid=MIGR-4K2MCU

I've only seen this error appear on IBM thinkpads. Your EEPROM with the following steps.
You can try this to test the EEPROM
1.unplug AC,battery, HDD and and your cd/dvd rom drive.
2.press power button,last more than 10 seconds
3.plug battery and AC power
4.power on
5.when see the IBM logo,press F1 button immediately.

If the same error pops up, try it a few more times. If the error keeps displaying then it is the motherboard

Posted on Feb 23, 2008

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Posted on Jan 02, 2017

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Fix f5 e 1


F1 - E0 EEPROM communication error 1. Disconnect power for at least 30 seconds.
2. Re-apply power and observe for at least one minute.
3. If code re-appears, replace control board (also called ERC or clock).

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2. Re-apply power and observe for at least one minute.
3. If code re-appears, replace control board (also called ERC or clock).
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What does the error code F1 E1 mean and how can i fix it


Hi.

F1 - E1 means: EEPROM Checksum error. The EEPROM is a memory chip located in the ERC (control module). The problem is communication error with the EEPROM


1. Disconnect power for at least 30 seconds.
2. Re-apply power and observe for at least one minute.
3. If code re-appears, replace control board (also called ERC or clock).

Note: Applies to all F1-Ex codes except F1-E3.

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What does error code F1 E1 mean on a kitchenaid built in oven?




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2. Re-apply power and observe for
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CRC Problem


Chances are since the system CRC1'd it has a very old BIOS revision. From version 1.10 on, the CRC issue has been fixed. So, get the latest BIOS from IBM, T21 BIOS: ftp://ftp.software.ibm.com/pc/pccbbs/mobiles/spsdkz34.exe and flash the BIOS. Reboot the system and verify the updated BIOS. Now power down the system, desolder the known good EEPROM and resolder the CRC1 EEPROM. Boot the machine and hit ESC when the splash screen comes up and watch the post screen. The new BIOS should have recalculated the EEPROM checksum and written the changes to it. You'll know if it worked because the CRC1 error will be gone.

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CRC1 0175 Error


have you tryed to as soon as the power is switched on go to safe mode to see if you can find a driver or hardware issue??. At start up keep pressing f8 all the time till it comes up. after that gointo and check all the drivers you got and see if theres a conflict or a reasourses fault. as windows will tell you if everything is working right as you check everything sepaerate. If it wont go that far then you have a fateal error and may need to redo the hard drive by formatting and reinstalling the os. It sounds like maybe a F.A.T virus??good Luck

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