[Soekris] Soekris 4501 drift? ... NTP issue

Bob Camp soekris at cq.nu
Sun Aug 19 14:20:21 UTC 2007


Hi

The high jitter is normal when the system is unable to "tune" the  
local clock far enough.

How old is the 4501 box? Everything I have seen in the last few  
months has been very close to the correct frequency.

Turning off NTP and just checking the system time against a wrist  
watch should sort out what's going on pretty fast.

Bob


On Aug 19, 2007, at 9:08 AM, John Hay wrote:

> On Sun, Aug 19, 2007 at 01:13:49AM -0700, ev wrote:
>>
>> hi & thx,
>>
>> So we are down to a HW issue if I understand you correctly ... BIOS
>> corrections ?      ervin
>
> Some batches of net 4501's used different frequency crystals. Normally
> either
>
> machdep.elan_freq=32768000
>
> or
>
> machdep.elan_freq=33000000
>
> in /etc/sysctl.conf will sort things out.
>
> John
> -- 
> John Hay -- John.Hay at meraka.csir.co.za / jhay at FreeBSD.org
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