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Groups > comp.sys.ibm.pc.hardware.misc > #76

Re: My ABIT VA-10 motherboard and clock

From Arno <me@privacy.net>
Newsgroups comp.sys.ibm.pc.hardware.misc
Subject Re: My ABIT VA-10 motherboard and clock
Date 2013-09-04 09:08 +0000
Message-ID <b8obl8F6lsgU2@mid.individual.net> (permalink)
References <kvrjtk$9sp$1@dont-email.me> <kvu1lg$fqf$1@dont-email.me> <kvu3uo$nqh$1@dont-email.me> <b8hvn7Fr3tuU3@mid.individual.net> <l03epa$cr1$1@dont-email.me>

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W. eWatson <wolftracks@invalid.com> wrote:
> On 9/1/2013 4:08 PM, Arno wrote:
>> W. eWatson <wolftracks@invalid.com> wrote:
>>> On 8/31/2013 5:27 PM, W. eWatson wrote:
>>>> On 8/30/2013 7:20 PM, W. eWatson wrote:
>>>>> The clock on my My ABIT VA-10 motherboard runs slowly. Over the course
>>>>> of a day it may drift several seconds. Could this be caused by an aging
>>>>> battery? What battery would I used to replace the current one?
>>>>>
>>>>> I could not find an ABIT VA-10 manual that is searchable.
>>>>
>>>> Found the batter, but it's a bugger to get out.
>>> A little small rectangular piece along the side turned out to be a lever
>>> that popped out the battery. The battery is in very good shape, 3.5v, so
>>> now what's causing the slowing of the clock?
>>
>> Bad crystal. Did this turn up suddenly and was it fine before?
>> Can also be mechanical shock to the crystal.
>>
>> Normal range for a clock-crystal is 50ppm deviation, which is up
>> to 4.5 sec/day.  A cheap one may be far worse, but not more than
>> 20 sec/day. If you see more, somethign is broken.
>>
>> There is one possibility: If the oscillator circuit is dying
>> (overheating chipset), it may miss ticks and slow down much
>> more.
>>
>> Arno
>>
>>
>>
>>
> It's been going on for quite some time.  I've been using Meinberg time 
> software to keep it in check, but it eventually succumbs to moving the 
> time may minutes, usually about 30. I'm using XP.

I assume Meinberg is an NTP client. NTP typically refuses to adjust for
more than 30 minutes. Look into the options, there are two things
you can try:
a) allow it to adjust more than 30 Minutes or so
b) allow it to adjust the hardware clock (if it is not doing that)

Maybe you just have normal clock-skew which accumulates. 

Arno

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Thread

My ABIT VA-10 motherboard and clock "W. eWatson" <wolftracks@invalid.com> - 2013-08-30 19:20 -0700
  Re: My ABIT VA-10 motherboard and clock -DirtBag <Dirt@sonic.net> - 2013-08-30 20:27 -0700
  Re: My ABIT VA-10 motherboard and clock "W. eWatson" <wolftracks@invalid.com> - 2013-08-31 17:27 -0700
    Re: My ABIT VA-10 motherboard and clock "W. eWatson" <wolftracks@invalid.com> - 2013-08-31 18:06 -0700
      Re: My ABIT VA-10 motherboard and clock Arno <me@privacy.net> - 2013-09-01 23:08 +0000
        Re: My ABIT VA-10 motherboard and clock "W. eWatson" <wolftracks@invalid.com> - 2013-09-02 18:41 -0700
          Re: My ABIT VA-10 motherboard and clock Hans-Peter Diettrich <DrDiettrich1@aol.com> - 2013-09-03 04:45 +0200
          Re: My ABIT VA-10 motherboard and clock Arno <me@privacy.net> - 2013-09-04 09:08 +0000
  Re: My ABIT VA-10 motherboard and clock Arno <me@privacy.net> - 2013-09-01 23:01 +0000
    Re: My ABIT VA-10 motherboard and clock "W. eWatson" <wolftracks@invalid.com> - 2013-09-02 18:43 -0700
      Re: My ABIT VA-10 motherboard and clock Arno <me@privacy.net> - 2013-09-04 09:03 +0000

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