Re: BIOS ROM checksum error

Re: BIOS ROM checksum error


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Posted by Henry on May 12, 2001 at 08:40:16:

In Reply to: BIOS ROM checksum error posted by G. Jones on May 09, 2001 at 23:27:02:

: Hi,
:
: I'm writing is i've encountered a problem with my recently purchased motherboard. Upon booting, and receiving the proper identification of my video card, I see the following:
:
: -----------------------------------------------------
: Award BootBlock BIOS v1.0
: Copyright (c) 1998, Award Software, Inc.
:
: BIOS ROM checksum error
:
: Detecting floppy drive A media
: INSERT SYSTEM DISK & PRESS ENTER
:
: -----------------------------------------------------
:
: I cannot access my BIOS at all, and none of my disk drives can be read. How can I revive my BIOS? Thank you for your help.
:

The checksum error message indicates that the stored checksum doesn't agree with the current checksum for the CMOS settings. You SHOULD be able to enter BIOS setup, choose default or optimal or equivalent settings, save and exit. That should reset the checksum. You can go back later ans\d set them as you prefer.

Part of your problem suggests that maybe the CMOS battery is weak or making poor contact. Clean the battery and contacts and later try changing it after checking the Clear CMOS jumper. Most mainboards are shipped with the "Clear CMOS" jumper in the clear position to conserve the battery. Many mainboards will not even start to boot with the jumper in that position; yours may be different. Suggest that you verify your jumper settings (especially "clear CMOS") and maybe let someone else check them too - it is easy to get them crossed up.

Let us know how this turns out.

Good Luck,
Henry



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