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#131527 - 09/21/03 06:53 PM CMOS
Ryan_J Offline
Moderator

Registered: 08/19/03
Posts: 1355
Loc: West Jordan, Utah, USA
My computer's clock is losing time quite rapidly and I believe it the CMOS battery at fault. Does anyone know of any free-ware sites that have a CMOS saving program? Also, am I off-base on my thinking? Thanks in advance for your replies.
_________________________
Ryan Jackson,
Salt Lake City

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#131528 - 09/21/03 07:25 PM Re: CMOS
Bjarney Offline
Moderator

Registered: 04/10/02
Posts: 2561
Loc: West-Southern Inner-Northeast ...
Maybe bios1310.zip …found at good ol’ Simtel:
http://www.simtel.com/product.php?id=13599 “Dump(s) the whole BIOS segment to disk”

Found under “windows bios utility “

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#131529 - 09/21/03 07:42 PM Re: CMOS
Bill Addiss Offline
Member

Registered: 10/07/00
Posts: 4196
Loc: NY, USA
Ryan,

It may be something else.

Question;
Is your clock right when you turn the computer on, and it loses time after that?
Without resetting the clock does it correct itself if you turn computer off and on again?

Bill

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#131530 - 09/21/03 08:20 PM Re: CMOS
Ryan_J Offline
Moderator

Registered: 08/19/03
Posts: 1355
Loc: West Jordan, Utah, USA
Hello Bill and thanks for your reply. To answer your question, after resetting the clock it loses time and keeps the time at a slower pace whether the machine is turned on or not.
_________________________
Ryan Jackson,
Salt Lake City

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#131531 - 09/21/03 08:45 PM Re: CMOS
Bill Addiss Offline
Member

Registered: 10/07/00
Posts: 4196
Loc: NY, USA
Ryan,

I had what sounds like a similar problem several months ago where I found I was losing maybe 45 min a day (don't remember exactly) but it actually turned out to be a software problem (with McAfee Viruscan). I upgraded to a different version and everything was fine.

Here was my thread: http://electrical-contractor.net/ubb/Forum8/HTML/000043.html

I've had Batteries go bad in the past and they would always revert to some date and time when powered down. As far as I remember they would keep time correctly while they were on, I suspect your problem isn't the battery.

Bill

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#131532 - 09/22/03 06:25 AM Re: CMOS
Xanathar Offline
Junior Member

Registered: 02/20/03
Posts: 4
Loc: Wallingford, PA
Clock times can be slow to either a CMOS Battery, software running, or even just low quaility components slowly failing.

If your clock is loosing time when the machine is off, then it is either the battery or components. The battery is very easy to replace, as are the CMOS settings. 95% of Bioses are just left at the defaults, and should work fine. The key screen to pay attention to is usually the first one that has all of your drives listed.

If the clock is loosing power when the machine is turned on, then this is most likely software or just cheap components. As Bill mentioned, some anti-virus software will do this, as will any software that takes priority over the system processes. The clock just slowly gets pushed aside and cant keep up.

The best fix for the software solution (and the hardware if the time isnt 100% critical) is to install some NTP Software. NTP = Network Time Protocol. This is built into Windows XP / Newer Macs and most Linux. This software in XP can be reached by double clicking on the clock in the task bar.

The NTP Software will at certain intervals contact a central server to see what the current time is, then based on how long the response took figure out the current exact time, and set the system clock to that.

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#131533 - 09/22/03 10:02 AM Re: CMOS
Bjarney Offline
Moderator

Registered: 04/10/02
Posts: 2561
Loc: West-Southern Inner-Northeast ...
It's kinda’ geekey, but there is a freeware application online called NetLab 1.4, that has an SNTP clock-synchronization capability.




[This message has been edited by Bjarney (edited 09-22-2003).]

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#131534 - 09/22/03 04:36 PM Re: CMOS
pauluk Offline
Member

Registered: 08/11/01
Posts: 7693
Loc: Norfolk, England
Some designs will run fast or slow when the battery is nearly worn out, not that the clocks in many systems are that good at accurate timekeeping to begin with.

Most of your other CMOS settings can be fine-tuned after installing a new battery, even if you don't remember to note their settings first.

The main one to watch is your hard disk type number, otherwise you may not be able to reboot after fitting the new battery. Most new systems will auto-detect, however, so you may not even have to worry about that.

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#131535 - 09/22/03 05:21 PM Re: CMOS
Ryan_J Offline
Moderator

Registered: 08/19/03
Posts: 1355
Loc: West Jordan, Utah, USA
Gentlemen: As always, thanks for your replies. I will let you know what I find.
_________________________
Ryan Jackson,
Salt Lake City

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#131536 - 09/25/03 07:05 AM Re: CMOS
Pinemarten Offline
Member

Registered: 08/23/03
Posts: 122
Loc: Edmonton, AB, Canada
I have been crunching a Mersienne Prime 24/7 since May on my sys. My clock looses about 15m a day.

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