From mboxrd@z Thu Jan 1 00:00:00 1970 From: "NY0" Subject: Re: Cpufreq digest, Vol 1 #461 - 2 msgs Date: Tue, 1 Jul 2003 06:36:10 +0200 Sender: cpufreq-admin@www.linux.org.uk Message-ID: <000801c33f8a$4d3b8950$7300a8c0@Sword> References: <20030630110001.16546.19634.Mailman@parcelfarce.linux.theplanet.co.uk> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: Errors-To: cpufreq-admin@www.linux.org.uk List-Unsubscribe: , List-Id: List-Post: List-Help: List-Subscribe: , List-Archive: Content-Type: text/plain; charset="us-ascii" To: cpufreq@www.linux.org.uk ----- Original Message ----- From: To: Sent: Monday, June 30, 2003 1:00 PM Subject: Cpufreq digest, Vol 1 #461 - 2 msgs > Send Cpufreq mailing list submissions to > cpufreq@www.linux.org.uk > > To subscribe or unsubscribe via the World Wide Web, visit > http://www.linux.org.uk/mailman/listinfo/cpufreq > or, via email, send a message with subject or body 'help' to > cpufreq-request@www.linux.org.uk > > You can reach the person managing the list at > cpufreq-admin@www.linux.org.uk > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Cpufreq digest..." > > > Today's Topics: > > 1. Re: overclocking? (Benjamin Herrenschmidt) > 2. (no subject) (linux warrior) > > --__--__-- > > Message: 1 > Subject: Re: overclocking? > From: Benjamin Herrenschmidt > To: Rees Boffey > Cc: cpufreq@lists.arm.linux.org.uk > Date: 30 Jun 2003 00:24:49 +0200 > > On Sun, 2003-06-29 at 05:42, Rees Boffey wrote: > > in the cpufreq documenatation in my 2.4.21-benh kernel it mentions that > > arguments echoed to the /proc/cpufreq entry are first validated before any > > changes are made. my question is, is it possible to remove this validatio > > to allow the overclocking of the cpu? > > the ibook2.2 that i use is possible of being overclocked via software using > > an early version of the CHUD tools for osx but as of yet i have not found a > > way to do it under linux. > > appreciate any replies/flames :) > > Well... some PowerMac models support only dual speeds (via PMU changing the > PLL strapping & resetting the CPU). Some others (the 750FX based iBooks) > could in theory be programmed to any speed supported by the PLL... Currently, > I do not have code to take advantage of this "feature". Those chips have 2 > PLLs and can switch instantly between them. One is setup for full speed, > the other for "low speed" by the firmware, all I support via cpufreq so far > is to switch between those 2 > > Ben. > > > > --__--__-- > > Message: 2 > From: "linux warrior" > To: cpufreq@www.linux.org.uk > Date: Mon, 30 Jun 2003 03:54:02 -0300 > Subject: (no subject) > > Hello to everybody! > I have a Pentium M (Centrino) notebook, and while I was recompiling my > kernel (2.4.21-ac4) y wondered if I had to compile it for PIII or for P4 ... > I went with the last one, and enabled ACPI, and cpufreq for Pentium-M. > I get an ACPI_processor_get (something regarding address space) error at > boot and I found no way to change cpu speed thru the /proc filesystem. > Any clues ? please tell me what info might be of help as cat /proc/cpuinfo > etc. > > Thanks > linuxwarrior > > _________________________________________________________________ > Add photos to your e-mail with MSN 8. Get 2 months FREE*. > http://join.msn.com/?page=features/featuredemail > > > > > --__--__-- > > _______________________________________________ > Cpufreq mailing list > Cpufreq@www.linux.org.uk > http://www.linux.org.uk/mailman/listinfo/cpufreq > > > End of Cpufreq Digest > > with centrino you need to specify P3 on kernel compiling..