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Fiver
n00b
Joined: 29 May 2002
Posts: 23
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 Posted: Sun Aug 04, 2002 10:05 pm Post subject: speed step? |
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Hi. I just installed gentoo on a Toshiba Portege 2000. So far, everything seems great ... except ... it's an Intel PIII-M, which means that the processor speed changes depending on a couple of things. Specifically, it sets the processing speed at 377 MHz all the time. So cat /proc/cpuinfo gives
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processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 11
model name : Intel(R) Pentium(R) III Mobile CPU 750MHz
stepping : 1
cpu MHz : 377.782
cache size : 512 KB
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et cetera et cetera. Does anyone know how to tell it not to speedstep? |
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Fiver
n00b
Joined: 29 May 2002
Posts: 23
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| Posted: Sun Aug 04, 2002 10:16 pm Post subject: Never mind... |
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I'm an idiot.  It's a kernel option. |
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crypt0n1c
n00b
Joined: 06 Aug 2002
Posts: 7
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| Posted: Tue Aug 06, 2002 7:49 am Post subject: |
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| You can also disable the speedstep in your BIOS usually. |
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Hole
n00b
Joined: 15 Jun 2002
Posts: 17
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| Posted: Tue Aug 06, 2002 12:01 pm Post subject: |
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| Make sure you compile in ACPI... goto /proc/acpi/ and then into the processor branch. You can flip it there... also, browse around the web, there is a speedstep switcher for linux as well. |
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ptheborg
n00b
Joined: 27 Jun 2002
Posts: 67
Location: Rotterdam, The Netherlands
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| Posted: Thu Aug 08, 2002 1:02 am Post subject: |
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Hole: How can I flip it in the /proc/acpi/cpu directory? Is it something like: #echo stepping 0 > CPU0 ???
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maverick
n00b
Joined: 24 Apr 2002
Posts: 37
Location: IRC
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| Posted: Mon Aug 12, 2002 12:01 pm Post subject: |
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I switch like this:
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-(root@wim)(/)> cd /proc/acpi/processor/CPU0/
-(root@wim)(CPU0)> cat performance
state count: 2
active state: P0
states:
*P0: 1400 MHz, 0 mW, 250 uS
P1: 1200 MHz, 0 mW, 250 uS
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2 states, default = P0
to switch:
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echo 1 >> performance
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It'll switch to state P1 :
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-(root@wim)(CPU0)> cat performance
state count: 2
active state: P1
states:
P0: 1400 MHz, 0 mW, 250 uS
*P1: 1200 MHz, 0 mW, 250 uS
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ptheborg
n00b
Joined: 27 Jun 2002
Posts: 67
Location: Rotterdam, The Netherlands
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| Posted: Mon Aug 12, 2002 3:23 pm Post subject: |
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thx
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.NET is like a pet store written with gotos |
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berryman77
n00b
Joined: 13 Feb 2003
Posts: 23
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| Posted: Tue Mar 25, 2003 1:03 am Post subject: Ausome Speedstep Program |
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It's called autospeedstep
http://gpsdrive.kraftvoll.at/speedstep.shtml
I have a P4 1.7G with acpi comiled into the kernel.
I downloaded and isntalled this program.
In /etc/conf.d/local.start I added the line:
/usr/local/sbin/autospeedstart
It works great. I keeps the processor on the lower setting until it reaches 70% usage then steps it up. |
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