BIOS ROM Checksum Error

  Ritchbee 21:12 05 Feb 2007
Locked

Good evening,

On bootup I am getting a black screen with this message.

BIOS ROM CHECKSUM ERROR
DETECTING FLOPPY DRIVE A media
Insert System Disk and press enter

Recently changed my CMOS battery, Memory, PSU since then the above message has started to appear.

Any clues how I go about fixing this or what the cause may be.......mobo faulty ?

  ed-0 21:50 05 Feb 2007

" Recently changed my CMOS battery "

The motherboards bios has gone back to factory settings.

Either load default settings in the bios

or

Post the make and model of the motherboard.

What drives you have

the make and model of the cpu

and

the type and amount of ram you have.

  Ritchbee 22:25 05 Feb 2007

ed-0

Here you are.

AMD Athlon 2700+
ASUS A7N8X Deluxe
2GB Samsung DDR 400 2 x 512mb 1 x GB
SAMSUNG CD-R/RW
SAMSUNG DVD-ROM
NEC DVD_RW ND-3500AG DVD-RW
Floppy

Cheers
Brian

  ed-0 11:43 06 Feb 2007

If you want to set up the bios, so your components are running at there optical speed. Then check the settings and adjust as follows.

Enter the bios and go to the first page "main". click here.

Set the time and the date.

If the primary master, primary slave, secondary master, secondary slave are not registered on the page, then change the setting to auto.

Set the legacy diskette A to 1.44 as shown

legacy diskette B to none

halt on all errors.

Then on to the next page:- The advanced menu click here

Go to the first setting " advanced bios settings " click here Check that the bootup floppy seek is set to disabled. press the esc key to go back to the advanced menu.

Then open the advanced chipset features heading click here.
Set the cpu external frequency Mhz to 166Mhz ( this is the speed your cpu runs at ). Move down to memory frequency. Set this to either " by spd " ( the chip on the memory will tell the motherboard the speed to run at ) or 200Mhz ( the optimal speed of the ram. Spd is the easiest.


Press the F10 key to save all the settings and exit. The computer will reboot.

If you have a problem changing the values of the settings. you just highlight them and use either the PgUp or the PgDn buttons.

  Ritchbee 10:57 07 Feb 2007

Thanks ed-0
I'll let you know how I get on.

Brian

  ed-0 11:42 07 Feb 2007

Good luck ;-)

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