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Aspiring to the Horizontal
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Discussion Starter · #1 ·
Recenty put more RAM into a laptop (from 500MB up to 2GB) and the date/time clock seems to have slowed, loosing a few minutes a day.

Doesn't seem to be any other effects. Any reason for this? Any way to correct (other than reverting to the original RAM

Thanks in advance, John
 

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The only time I have seen this is when the motherboard was faulty. There is a 'real time clock module' that is just like your digital watch. As long as it is supplied with power from the battery the crystal vibrates and the clock counts. If your clock is running slowly then I doubt it is to do with the install of new memory............but I am willing to be wrong.
 

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Aspiring to the Horizontal
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Discussion Starter · #7 ·
Thanks all.

CMOS battery possible getting on abit?
A what?

The only time I have seen this is when the motherboard was faulty. There is a 'real time clock module' that is just like your digital watch. As long as it is supplied with power from the battery the crystal vibrates and the clock counts. If your clock is running slowly then I doubt it is to do with the install of new memory............but I am willing to be wrong.
Sounds expensive. Don't remember the clock slowing before the RAM was changed but that doesn't mean to say it wasn't.

Put the original memory back in and see what happens.
This is on the list to do, just wanted info of any possible causes.

Try winding it.
Given the age of it, this is a definite possibility.

Cheers, John
 

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Whilst waiting for the battery, you could configure the laptop to use an internet time source service to keep it in sync:

net time /setsntp:timesource
net stop w32time
net start w32time

w32tm /resync

Mike
 

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no need to answer as have just been searching for replaement and have discovered what RTC means.

Ta
I think that is what I said on the first page but I didn't use a TLA :)

Doubt it is the battery....does your quartz watch slow down when it needs a battery change? Mine don't they just die. Your RTC works the same.

On a desktop the CR2032 battery tends to clip into a battery holder. On a laptop/netbook, because of restricted space, they often have a lead and plug into a connector so the battery can be secreted in a hole somewhere else.

Neil
28 years as an IBM engineer......
 

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.

Because you have speeded up your computer it has slowed time down.

taz

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Might not actually be far from the truth. Since it happened when you installed new memory, I'm wondering whether it is a slight mismatch in clock / bus speeds between the new memory and motherboards causing the system timing to be slightly out.

If so, there might be some BIOS changes you need to do to adjust for this mismatch. Or just rely on the net time command to keep your clock updated correctly
 
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