Subject: Re: Clock drift on Miatas
To: Hal Murray <>
From: Jason R Thorpe <>
List: port-alpha
Date: 05/28/2000 09:22:40
On Sun, May 28, 2000 at 01:33:50AM -0700, Hal Murray wrote:

 > There is an extra complication with the 600au.  The SRM lies about 
 > the clock speed. 
 > >From dmesg:
 >   Digital Personal WorkStation 600au, 598MHz
 > It's really 600 rather than 588.  I haven't found the appropriate 
 > NetBSD timekeeping code yet but Linux believed the SRM and the result 
 > was too far off for the PLL to lock up.  So it would jump by a couple 
 > of seconds every 15 minutes or so.

NetBSD doesn't use this, I'm pretty sure.  It just knows that the clock
interrupts 1024 times a second and goes from there.

        -- Jason R. Thorpe <>