[comp.sys.mac] A New Owner's Question

makolb@athena.mit.edu (Mark A Kolb) (02/25/89)

Hi there.  I'm a relatively new Mac owner (my 90 days just ran out :),
and, not being too knowledgeable about hardware, I was wondering if there
is anything significant about my Mac II's clock running fast:  in the past
month and a half or so, it's gained about 3 minutes ...  I'm guessing it's
no big deal, but figured it couldn't hurt to ask.  Thanks,

							Mark Kolb

Internet: MAK%Hippocrene@Athena.MIT.Edu
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gillies@p.cs.uiuc.edu (02/28/89)

If your clock runs 3 minutes faster after 45 days, congratulations,
you are running at 1.000046296 times your Mac II's rated speed, and
probably have the fastest machine on your block, so I'm envious 8-).

I haven't noticed my Mac II's clock running fast, but I use a PD
utility called "Setclock" to dial up a time standard and reset my
clock.  Furthermore, if it is your clock crystal that's oscillating a
little bit fast, then you could try replacing it, however, I suspect
the time warp occurs when your machine is turned off and the data is
in PRAM.  Perhaps the PRAM clock is calibrated differently (due to its
low-power nature), and can recalibrated?


Don Gillies, Dept. of Computer Science, University of Illinois
1304 W. Springfield, Urbana, Ill 61801      
ARPA: gillies@cs.uiuc.edu   UUCP: {uunet,harvard}!uiucdcs!gillies