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I have a series of computers in the company I work for that all suddenly started to lose track of time and start falling behind a few seconds to a minute in terms of system time (until Windows synchronizes it back to the correct time). The issues are suddenly popping-up one at a time and are all coming up on the same model of computer we have been dealing with (They are all fairly old models from about 2009). Our newer machines dont seem to have this issue and we have replaced the CMOS battery on the systems having this issue but they appear to still have the problem which leads me to believe that the problem is not related to the CMOS but rather the RTC on the motherboard.

So my questions would be:

  • Is it possible that the Real-Time clock on the motherboard has run its course and has become too worn out to keep up?

  • Can software on the computer slow down the system to a point where the RTC is affected?

  • Is there software / malware out there can directly affect the motherboard's RTC?

  • What is the average lifespan of a RTC?

tastydew
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1 Answers1

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Perhaps it's leap seconds skewing the clock.

Leap Seconds in Windows

Why is my NTP controlled computer clock two minutes ahead?

For more accurate clocks, don't use the cpu as much.

CPU heating is correlated with clock skew, which can be detected by observing timestamps (under the server's real identity). Wikipedia ClockDrift

Community
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user468797
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