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When i power on my pc it goes straight to bad bios checksum.starting recovery.checking for floppy. My motherboard is an Asus P4V8X-X and the Bios version is 1008. I have downloaded the 1008 zip file along with the Afudos utility and extracted them to a floppy disc. When i put the disc in i get the message : floppy found reading P4V8X-X.rom. Completed but instead of flashing it tells me to power of my system to regain my settings but nothing happens when i restart my pc it goes straight to the asus P4V8X-X motherboard sign. what am i doing wrong

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  • geoffmorgan4 Aug 13, 2008

    have tried that

  • geoffmorgan4 Aug 13, 2008

    cant use alt +f2 pc does not post goes straight to the checksum message

  • geoffmorgan4 Aug 13, 2008

    thanks issy2 will await your response

  • geoffmorgan4 Aug 13, 2008

    have tried everything suggested to me just finished trying to fire up the pc again. i am getting a new message now after i put in the floppy. it reads.
    reading file P4V8X-X.ROM. Completed.
    Start erasing////
    Start Programing////
    please turn off system and power on again to get your system back.

    when i do this it goes straight to the asus motherboard P4V8X-X sign and nothing happens

  • geoffmorgan4 Aug 13, 2008

    ok will do that cheers

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Change the c-mos battery thats it.it will work for sure.

Posted on Aug 13, 2008

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Well mate , this usually happens when motherboard battery is over

Posted on Aug 13, 2008

  • Ginko
    Ginko Aug 13, 2008

    If you access the motherboard you will find a small battery, it usually looks like a coin (desktops) or like a plastic packed pill.
    When battery is drained bios will lose setting every time you start up computer, that is usually the cause for this kind of troubles.
    Go to any local computer shop with battery, or if you do not want to take apart computer yourself, take computer main unit.
    Battery cost a couple of dollars, labour fee for replacement is generally not expensive.


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Your problem seems to be a little complicated.. we are working on your problem and will get back to you soon with a solution..

Thankyou

Posted on Aug 13, 2008

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So you cannot flash/update the BIOS using the floppy try this one: ALT+F2 on bootup will flash the BIOS from a floppy automatically.

Hope that helps........

Posted on Aug 13, 2008

  • Mark Gil
    Mark Gil Aug 13, 2008

    If that's the case there's a possibility that you may need to replace CMOS chip on it that is probably bad already.. check your manual on how to locate that chip..

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You can try resetting the BIOS settings by removing the CMOS battery, then back. Then reboot the computer.

When i power on my - annot_cmos.jpg

Posted on Aug 13, 2008

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1 Answer

How do you flash the BIOS


What happens when you turn the computer on?

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.

and happy days will be here.

Jun 29, 2012 | Compaq Presario CQ61-310US Laptop

2 Answers

Asus motherboard bios recovery


Solution #4 posted on Aug 07, 2008 0%20stars_w.png
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Ekse
Rank:guru_s.gif Guru
Rating: 85%, 1169 votes
In the disk you burned, the bios can't read a zip file, the file needs to be extracted and as far as I remember you need to use a diskette instead of a cd. but I will look into it now.
Comment by Ekse, posted on Aug 07, 2008 Bios warning

Please note, BIOS update is only recommended when experiencing technical difficulties with your system, And is not recommended to be performed regularly.

Moreover, due to the nature of BIOS update, there is certain level of dangers involved. BIOS update must be performed with extreme caution . During BIOS update process, your system must be maintained without interference or power loss to prevent unexpected damage.

In case of BIOS update failure, please follow instructions in your User's Manual for guidelines on BIOS recovery via CrashFree BIOS. In the event that BIOS recovery is not recoverable via CrashFree BIOS, please contact your place of purchase for further assistance on BIOS recovery.


Source Asus
You can get the bios from here
http://support.asus.com/download/download.aspx?SLanguage=en-us&model=P4V8X-X

Get the 1008 version

its under Bios and 3rd entry, all os version 1008
File is in zip format, needs to be extracted.
the rom file inside needs to be placed in a diskette.
Comment by Ekse, posted on Aug 07, 2008 Diskette or if you can get the bios to read a cd then that is fine also. Comment by Ekse, posted on Aug 07, 2008 if the setup is looking for a file named as
P4V8X-X.rom

it may be required to rename the PV8XX08.rom to P4V8X-X.rom

But im not perfectly sure what you are trying todo or why it is asking for it. il have to look into this more. Comment by Ekse, posted on Aug 07, 2008 As I suspected, BestDarnGood linked us the manual and the correct page about the problem. it confirms that the file has to be renamed and placed in a floppy.

Thanks BDG
http://www.fixya.com/support/p362915-asus_p4v8x_x_motherboard/manual-11149/page-39

Aug 07, 2008 | Computers & Internet

4 Answers

Bios recovery Asus motherboard P4V8X_X


Did you run the utlity to put the firmware onto a floppy disc or cd so that it can boot up on the disc to install it?

The utility is available for download in the same section that you got the firmware update from.

Aug 07, 2008 | Computers & Internet

1 Answer

Asus p4v8x-x bad bios checksum checking for floopy floppy not found checking for cd-rom start reading P4V8X-X.ROM could not find P4V8X-X.ROM


Hi, you can download the bios file here:

http://support.asus.com/Download.aspx?SLanguage=en&m=P4V8X-X&p=1&s=15

Please select your windows version.
Select bios and click on global for download.
You have to unzip the file before you install it.

You might have to change the cmos battery out with
a new one:

ghost2233_59.jpg So the bios can remember its settings.
Thats why you get a bad bios checksum.
A reminder flashing the bios with a wrong one WILL destroy the mainboard.

Sep 12, 2011 | ASUS P4V8X-X Motherboard

6 Answers

When I started my pc i got the message " bad bios checksum. starting bios recovery. as I no longer have my Asus P4V8X-X support cd. I went to the asus website and downloaded the latest bios for this...


Instead of updating your bios try removing the bios battery and then wait for about 5 mins then plug it back in to reset it. Most often that fixes the problem faster and easier.

Aug 06, 2008 | Computers & Internet

1 Answer

Asus p4v8x-x bad bios checksum checking for floopy floppy not found checking for cd-rom start reading P4V8X-X.ROM could not find P4V8X-X.ROM May i know what's wrong with it? i've rename the .rom file...


This problem could be caused by a near flat BIOS battery. Replace the BIOS battery and go into the BIOS configuration and set the Date and Time etc.

Apr 11, 2011 | ASUS P4V8X-X Motherboard

2 Answers

P4S800D.ROM not found


check the the bios battery, it should be 3volt not less,and press dell to in the bios page setup set and set everything you need to do.and don't forget to save it,. good luck

May 10, 2009 | ASUS P4S800D Motherboard

5 Answers

Bad BIOS checksum.... CMOS bad checksum errors


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

Does someone already fix this problem??????

Nov 15, 2007 | ASUS M2N-MX Motherboard

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