Messages in this thread | | | Date | Thu, 29 Jul 1999 03:13:19 -0400 (EDT) | From | "Albert D. Cahalan" <> | Subject | Re: [PATCH] HZ==100 assumptions |
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Eric Lammerts writes: > On Wed, 28 Jul 1999, Riley Williams wrote:
>> However, the standard used by MSDOS (which I assume is what you're >> referring to) is for the clock to tick ~18.2 times per second (to >> be more accurate, 65536 ticks per hour), in which case the correct > > This is incorrect. The BIOS/MSDOS clock is generated from a 14.31818MHz > crystal clock divided by 12 * 65536.
Nope. Clock frequency varies. Originally it was related to a standard video frequency. More recent computers use a frequency designed to make DOS timekeeping be more accurate. (the 65536 ticks/hour I suppose)
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