Subject: Re: CVS commit: src/sys/kern
To: None <>
From: Christos Zoulas <>
List: source-changes
Date: 08/06/2006 05:09:21
In article <>,
Izumi Tsutsui  <> wrote:
> wrote:
>> I was under the impression that for some counters with fixed
>> frequency, like the ACPI time register, that the frequency was
>> determined by specification. Am I mistaken on that?
>Usually crytal oscillators have 10~200 ppm tolerance
>(including temperature dependency), so lower digits
>(under ~100kHz on 1GHz CPU) are not so significant.
>I'm just afraid such not-so-meaningful digits might confuse
>some users.

I agree with that assessment.