On Tuesday 22 January 2013 03:13:01 PM IST, Nikos Chantziaras wrote: > On 22/01/13 09:41, Nilesh Govindrajan wrote: >> So I have this old E2180 processor and no money as of now to buy a new >> rig :P >> I'm trying to overclock my CPU using BIOS host clock control and >> everything is fine at 2.6 Ghz up to bootloader. >> >> Kernel segfaults. Any idea why? I'm running pf-kernel 3.7.2 and it >> doesn't work with vanilla kernel either. >> >> Intel MCE is disabled in kernel configuration. > > When you raise the "host clock", which is the FSB, you are also > raising the frequency of your RAM. So make sure you select a lower > FSB:DRAM ratio in your BIOS. To begin with, set it to 1:1. > > Also, if you only have the stock CPU cooler that came with it, you > won't be able to actually get a stable overclock. Your CPU's stock > frequency is 2GHz. Without a better cooler, you might get it to 2.2 > or 2.3 maybe. But 2.6? That's pretty optimistic. I don't think > it'll work in the long run, unless you happen to have picked a good > chip that can be overclocked without raising the VCore. > > But first, solve the RAM problem by lowering the FSB:DRAM ratio. > >
I don't get even 2.1 with the stock cooler. Temperature easily goes above 75-80 (spec say high temp is 86) on the prime95 test. Quite easy to cook it considering that I'm a Gentoo user :D Not really worth that. Thanks for replies. -- Nilesh Govindarajan http://nileshgr.com
