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Re: Bios problem in A8N-VM
Hi jino284, you're bios has become corrupted. One reason for this can be the cmos battery is no longer holding its 3volt
charge. Virus can also cause corruption. Power off the PC & unplug the power cord. Open the case & pull the cmos battery. (Its about the size of a quarter). Check the 3 volt battery with a volt meter. If the battery reads less than 3 volts replace it with a new battery. If the battery checks good than fash the bios. Go to Asus web site & download the Bios - Utilities. http://support.asus.com/download/download.aspx?modelname=A8N-VM&SLanguage=en-us
Than download the bios file.
Instruction on how to flash you're bios. http://www.asisupport.com/bios_page.htm
i hav got the solution. Thanks to MIKE. but the soln mike suggested didn't work My BIOS chip was corrupted . I replaced it with a new one. The board was under warranty, so replacement at no extra cost.
The BIOS could not be Flashed
Thanks MIKE once again, he came up with his solution and for giving me extra knowledge
a 6ya Technician can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repair professionals here in the US. click here to Talk to a Technician (only for users in the US for now) and get all the help you need. Goodluck!
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If the bios is working enough to enable you to boot from a CD download the new bios from asus along with there AFUDOS.exe flash utility and make a bootable CD and copy both to it.
If the bios is completly none functional you should be getting this msg when you turn the computer on, Boot Block Compatible Version Ver .010 Bad BIOS checksum. Starting BIOS Recovery Checking for floppy . . Floppy not found Checking for CD rom . . . CD not found Checking for floppy . . Floppy not found Checking for CD rom . . . CD not found
Repeat adinfinitum. If this is the case you need download the most recent BIOS from compaq and either copy it to a bootable CD if you have this capability or buy a floppy drive for $5 and make a bootable floppy on a working computer and copy this BIOS file to it. Then rename the bios file to A8N32SLI.ROM.
You may not even need make the floppy bootable but I would just in case.
Stick the floppy in the drive turn the computer on and you will see
Boot Block Compatible Version Ver .010 Bad BIOS checksum. Starting BIOS Recovery Checking for floppy . . . Floppy found. Reading file "A8N32SLI.ROM" . Completed. Start Erasing... Start programing . . ./ Please turn off your system and power on again to get system back.
iat the time of boot a message as follows is displayed "boot block compatible version .005" bad bios cheksum. starting bios recovery checking for floppy. floppy not found checking for cd rom. cd rom not found" .. using asus motherboard
anaging and updating your BIOS
The following utilities allow you to manage and update the motherboard
Basic Input/Output System (BIOS) setup.
ASUS EZ Flash
(Updates the BIOS using a floppy disk during POST.)
(Updates the BIOS in DOS mode using a bootable floppy
ASUS CrashFree BIOS 2
(Updates the BIOS using a bootable floppy
disk or the motherboard support CD when the BIOS file fails or gets
(Updates the BIOS in Windows
Refer to the corresponding sections for details on these utilities.
prepare the motherboard support CD or the floppy disk containing the updated motherboard BIOS before using this utility.
• Make sure that you rename the original or updated BIOS file in the
floppy disk to K8NVM.ROM.
Recovering the BIOS from the support CD
To recover the BIOS from the support CD:
1. Remove any floppy disk from the floppy disk drive, then turn on the
2. Insert the support CD to the optical drive.
3. The utility displays the following message and automatically checks
the floppy disk for the original or updated BIOS file.
4. Restart the system after the utility completes the updating process.
DO NOT shut down or reset the system while updating the BIOS! Doing
so can cause system boot failure!
more details read http://dlcdnet.asus.com/pub/ASUS/mb/sock754/K8N-VM/e2537_k8n-vm.pdf
Bad BIOS checksum: the software on a chip on the motherboard has become corrupted.
Sometimes, you can find a "BIOS update" on the manufacturer's web-site, so that the contents of that chip can be refreshed,
i.e., by booting from a diskette (or from a USB memory-stick) that contains the replacement software.
Contact a qualified technician, and pay them for 1 hour of labour.
Or, replace the motherboard.
You need to go to the website of whoever made the motherboard and get the BIOS flash utility and the BIOS binary file to update your BIOS. Make sure you get the right one, as using the wrong one can render your motherboard worthless. The BIOS file has to be the exact match. There is no such thing as close in this situation. If you are not sure of the exact make and model, get te free Belarc Advisor from http://www.belarc.com The BIOS chip holds information about your motherboard hardware. It is reprogrammable. It uses what is known electrically erasable read only memory. This is also called Flash memory. Reprogramming is called flashing. When you flash the BIOS, all data is erased, then the new data is written. The flash utility will most likely allow you to save the old contents, but you might have an extremely tough time recovering from an improper flash. You'll also probably need a couple of floppy disks, one of which may have to be bootable. If you need a bootable floppy disk, you can get an image file from http://www.bootdisk.com.
BOOT BLOCK COMPATIBLE VERSION VER .005 BAD BIOS CHECKSUM CHECKING FOR CD ROM READING FILE "P5SD2VM.ROM" READING FILE "P5SD2VM.ROM" READING FILE "P5SD2VM.ROM" READING FILE "P5SD2VM.ROM" READING FILE "P5SD2VM.ROM" NO CD-ROM FOUND CHECKING FOR FLOPPY DISK READING FILE "P5SD2VM.ROM" READING FILE "P5SD2VM.ROM" READING FILE "P5SD2VM.ROM" READING FILE "P5SD2VM.ROM" READING FILE "P5SD2VM.ROM" NO FLOPPY DISK FOUND