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Thread: Replacing battery on ASUS A7N8X-X motherboard?

  1. #1
    Join Date
    Mar 2007

    Replacing battery on ASUS A7N8X-X motherboard?

    Okay, sorry if this isn't the right place to post this, but I think my computer's CMOS battery has died. On startup the BIOS shows the 'CMOS Checksum error- loading defaults'. Windows starts okay and there aren't any noticeable problems except that every time Windows and the BIOs clcok is set back to midday 2002. [Although that could be one of the defaults]. The only time it did something different was when I hit the reset button [Windows had just started loading but I thought I'd better write down the exact error and the BIOS name so I hit the reset button] The computer freaked out and showed nothing, just did a long stream of error beeps. [I didn't count but they seemed unending] I switched off the power supply and when I turned it on again it was okay except it had set the BIOS to 'troubleshooting speed' and demanded I re-enter the memory frequency in the setup. After that it was for the checksum error/clock reset.

    Okay assuming the battery is the problem [Do you think it is?], is it even possible to replace and how hard would it be? I have a ASUS nVidia-nForce-A7N8X-X motherboard with a AMD Athlon 3000-XP CPU. It's about 4 years old. Do motherboards have their own specialised batteries for each motherboard or is there a standard type, like for watch batteries? Would it be possible for the average person to replace it? I certainly doubt I'd be able to build a computer or overclock my system, however I've installed a CD-Rom and various graphics cards and things, so if it's not too hard I can have a go.

    My other question is this. When the BIOS asked me to re-set the memory frequency, I had to choose between 100MHz, 133MHz and 166mHz, or something similar. I chose 100 because that sounded safest and was already selected, but it sounds rather.. slow. I'm afraid I don't remember the specifics of the memory in my computer, just that there is 1024MB of it [in 2 lots of 512] the frequency, I have no idea. I'm pretty sure is DDR SDRAM. It should be okay to increase it to a higher frequency? What would be the 'right' one?

    Anyway, thank you for your time

  2. #2
    Join Date
    Aug 2001
    Land of 10,000 Lakes and Minnesota nice!!
    I've not encountered one different than a CR2032 which does appear to be the standard.

    They are easily replaced. Caution just needs to be exercised when popping the things out that so that you don't slip and potentially cut into the motherboard's copper traces...

    Here's some additional information:

    Also, welcome to Forums!
    Last edited by Whyzman; 03-04-2007 at 12:12 PM. Reason: Welcome
    Lighten up! --- A merry heart does good like a medicine. (Proverbs 17:22)

  3. #3
    Also try not to leave the motherboard sitting around on your bedroom floor. Last time I did that I ended up kicking the AGP slot by accident and it broke the whole port. I tried fixing it back up, but it turns out the card and the slot were unfixable. Only PCI cards for this board from now on

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