From: Zwane Mwaikambo <zwane@linuxpower.ca>
To: Bjoern Schmidt <lucky21@uni-paderborn.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: fsb of older cpu
Date: Mon, 8 Mar 2004 15:46:53 -0500 (EST) [thread overview]
Message-ID: <Pine.LNX.4.58.0403081545200.29087@montezuma.fsmlabs.com> (raw)
In-Reply-To: <404CD4E7.5050105@uni-paderborn.de>
On Mon, 8 Mar 2004, Bjoern Schmidt wrote:
> Hello and thank you for your answer. I determined that this cpu has a fsb of
> 66MHz. The reason for my question was that i want to underclock the cpu.
> I think it would be better to change the multiplier instead of changing the fsb.
> Therefore i read the msr register 0x02ah, tilted bit 27 and wrote it back, but
> the cpu clock is still the same. Why does that not work? Is it possible to
> change the multiplier at runtime at all?
No, the multiplier is locked, you'll have more luck fiddling with the
front side bus.
next prev parent reply other threads:[~2004-03-08 20:47 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-08 10:38 fsb of older cpu Bjoern Schmidt
2004-03-08 16:14 ` Bernd Schubert
2004-03-08 20:17 ` Bjoern Schmidt
2004-03-08 20:46 ` Zwane Mwaikambo [this message]
2004-03-08 21:14 ` Stefan Smietanowski
2004-03-08 23:06 ` Zwane Mwaikambo
2004-03-08 21:09 ` Stefan Smietanowski
2004-03-08 21:53 ` Bjoern Schmidt
[not found] <A6974D8E5F98D511BB910002A50A6647615F47CB@hdsmsx402.hd.intel.com>
2004-03-09 6:58 ` Len Brown
2004-03-09 11:16 ` Bjoern Schmidt
2004-03-09 11:35 ` Stefan Smietanowski
2004-03-09 12:07 ` Bjoern Schmidt
2004-03-10 4:17 ` Len Brown
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