Overclocking Celeron M in a laptop

meatfestival

Member
Sep 10, 2005
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I noticed there was a version of clockgen for my laptop's i855 chipset, so I gave it a try and lo and behold, it works.

The great thing is, the laptop has PC2700 RAM but it's only used at PC2100 speeds for some reason, so that can get cranked up easily.

The bad thing is, the PCI/AGP speeds can't be locked, so once I get to about 125mhz FSB, the integrated wireless G stops working, and I get coloured bands on the screen. The actual CPU seems to be fine though, perfectly stable at 1.875ghz (from 1.5ghz). I'm salivating at the thought of how much higher I could overclock it, I just wish there was a way!

A guy on another forum thought that perhaps the AGP and PCI speeds might reset to normal once you reach the next divisible fsb speed, 133mhz. I haven't had the guts to try it though, I don't want to risk hard disk corruption or damaging other hardware.

Anyone have any ideas?
 

Ionizer86

Diamond Member
Jun 20, 2001
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Curious: which version of clockgen did you use? I have a Thinkpad with the intel 855GME, and both 855 clockgens I tried were for desktop boards. Both crashed my system after I simply acquired speed info.