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HELP, CMOS checksum error, default loaded

Tags:
  • Motherboards
  • Default
  • Checksum
  • CMOS
  • BIOS
  • Overclocking
Last response: in Overclocking
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May 27, 2006 3:36:00 AM

las night when turn on my comp..... got this message:

CMOS checksum error, default loaded.
press F1 to continue....

then all setting back to bios default.
what happen to my mobo?battery bios empty or broken?
thx

More about : cmos checksum error default loaded

a b V Motherboard
May 27, 2006 4:31:36 AM

probably not.... sometimes it just happens.... consider it a random occurance, unless it does it every time you reboot...
May 27, 2006 4:36:20 AM

Quote:
las night when turn on my comp..... got this message:

CMOS checksum error, default loaded.
press F1 to continue....

then all setting back to bios default.
what happen to my mobo?battery bios empty or broken?
thx


Hey Seven.,,,,,,,No prob ,,,nothing unusual,,almost every mobo will do that [hiccup] at least once in it's life,some are worse [far worse] than yours..
On the other hand if it continues,,,then you might want to test your battery,,
with a meter,nominal should be 3v dc,also newer mobo's also tend to burp now and again ..Peace...:) 
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May 27, 2006 5:21:39 AM

Yeah no real worries there, unless it's every time you boot up.

My motherboard likes to do that if I leave it unplugged for more than 2 or 3 minutes. It's annoying but easily fixed. I can literally set up my normal BIOS settings without looking at the screen at this point :D 
May 27, 2006 5:55:58 AM

As everyone else already said it's not a big deal unless it happens every time you boot.

If you have a digital multimeter or can borrow one you can remove the 3.3V Lithium battery from the motherboard and test it.



A very basic one like the one pictured above will cost you $5 - $10.

Check the voltage, if it's below 3.2 or 3.1VDC replace the battery and you should be fine :-D
May 27, 2006 11:41:45 AM

yes,........
it only happen several times (this morning only).....
right now, my comp doesn't display that error again.......
:) 
just wondering why my newest comp act like that (3 years old)........
when my old comp (6 ++ years old) never act like that :p 

thanks everyone!
May 27, 2006 11:52:25 AM

Quote:
yes,........
it only happen several times (this morning only).....
right now, my comp doesn't display that error again.......
:) 
just wondering why my newest comp act like that (3 years old)........
when my old comp (6 ++ years old) never act like that :p 

thanks everyone!



Newer boards sometimes do that more often that older boards.
!