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
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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).
Note: Applies to all F1-E... codes except F1-E3.
F1 - E1
EEPROM checksum error
F1 - E2
UL A/D error(s)
F1 - E4
Model ID error
F1 - E5
F1 - E6
Latch signal mismatch error
F1 - E9
F1 - E3
Wiring harness cavity size does not match previously stored value
The "Cavity Size Select" jumpers in the wiring harness indicate a cavity size different from that which the control was previously configured for. Check the jumpers in the harness to make sure they agree with the actual oven size.
F1 - E1EEPROM checksum 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). Here is the part to order.
The F6 fault code description is an EEPROM checksum error. The EEPROM checksum error occurs when the values differ. In this case, you need to replace the mainboard or control board, also called as ERC.
F1 - E1
EEPROM checksum 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).
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.
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