From: Tim Wright <timw@splhi.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: "Woller, Thomas" <twoller@crystal.cirrus.com>,
andrew.grover@intel.com, linux-kernel@vger.kernel.org
Subject: Re: Incorrect mdelay() results on Power Managed Machines x86
Date: Thu, 22 Mar 2001 17:42:33 -0800 [thread overview]
Message-ID: <20010322174233.A1651@kochanski.internal.splhi.com> (raw)
In-Reply-To: <973C11FE0E3ED41183B200508BC7774C0124F077@csexchange.crystal.cirrus.com> <E14gEeH-0003Z4-00@the-village.bc.nu>
In-Reply-To: <E14gEeH-0003Z4-00@the-village.bc.nu>; from alan@lxorguk.ukuu.org.uk on Thu, Mar 22, 2001 at 11:37:43PM +0000
If it's a 500MHz Thinkpad, then I'm guessing it's something like a 600X.
That doesn't have Speedstep. The speed changes are done by some circuitry
in the laptop. I can try to find out more if this would help.
The newer machines are using Speedstep.
Tim
On Thu, Mar 22, 2001 at 11:37:43PM +0000, Alan Cox wrote:
> > thanks, i just tested the "notsc" option (.config has CONFIG_X86_TSC
> > enabled=y, but CONFIG_M586TSC is not enabled.. if that's ok), but this time
> ...
> > boot and stay on battery power exclusively. did anyone else expect this
> > behaviour?
>
> Errmm no..
>
> -
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--
Tim Wright - timw@splhi.com or timw@aracnet.com or twright@us.ibm.com
IBM Linux Technology Center, Beaverton, Oregon
Interested in Linux scalability ? Look at http://lse.sourceforge.net/
"Nobody ever said I was charming, they said "Rimmer, you're a git!"" RD VI
next prev parent reply other threads:[~2001-03-23 1:44 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-22 23:26 Incorrect mdelay() results on Power Managed Machines x86 Woller, Thomas
2001-03-22 23:37 ` Alan Cox
2001-03-23 1:42 ` Tim Wright [this message]
2001-03-23 9:45 ` Alan Cox
-- strict thread matches above, loose matches on Subject: below --
2001-03-30 17:17 Grover, Andrew
2001-03-29 18:30 Woller, Thomas
2001-03-28 23:12 Grover, Andrew
2001-03-29 4:10 ` Alan Cox
2001-03-24 3:55 sfr
2001-03-23 16:43 Woller, Thomas
2001-03-23 4:00 sfr
2001-03-23 9:54 ` Alan Cox
2001-03-26 0:06 ` Pavel Machek
2001-03-22 22:53 Grover, Andrew
2001-03-22 23:07 ` Alan Cox
2001-03-26 0:00 ` Pavel Machek
2001-03-22 20:29 Woller, Thomas
2001-03-22 21:26 ` Alan Cox
2001-03-23 6:43 ` Dave Zarzycki
2001-03-22 23:29 ` Pavel Machek
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