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955 overclock working well with Ubuntu

post #1 of 11
Thread Starter 
I have just started working on my first Linux distro overclock. The cpu I chose to start with is my good old 955 that I have worked every which way with different Windows OSes. My report is I have a stable 3.8MHz (simply a multi change to 19x200 with 1.4250V). This OC is working out well on air at 51C Megahalems) It has been folding stable for 2hrs. This OC is working out much better than with Windows (meaning folding under windows or Linux). I ask are these results typical of what others have found? I expected to have to use more volts and produce more heat.
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post #2 of 11
Quote:
I have a stable 3.8MHz
Welcome to 1979.
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post #3 of 11
Thread Starter 
I am going to have to give a, what the? 3.8 is a respectable oc for a 955, in fact I needed heavy voltage for 4.0. I will add that mods usually are not so hard to figure out what they are talking about.
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post #4 of 11
Quote:
Originally Posted by beers;13846803 
Welcome to 1979.
No, the 8088 was running 5 Mhz in 1979.

You have to go all the way back to the 8-bit 8085 to get those speeds.
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post #5 of 11
It's a decent overclock.
Does your 955 have a C2 revision?
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post #6 of 11
Thread Starter 
For folding work you go for an overclock that you can work with, it is not the same as a suicide run overclock.In any case I am as happy as can be with a simple multi bump and two ticks on the voltage. 3.8 folding stable on air is just great.

I bet I can do use search and come up with 10 posts from 10 different people in the last 2 years asking how to get too 3.8 on their 955.
Edited by PCCstudent - 6/12/11 at 2:50pm
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post #7 of 11
Quote:
Originally Posted by PCCstudent View Post
I bet I can do use search and come up with 10 posts from 10 different people in the last 2 years asking how to get too 3.8 on their 955.
Calm down, just poking fun since you used the incorrect units.

There shouldn't be much of a difference in your 'max overclock' between using Windows and Linux. You also still have some voltage room so 4 Ghz is likely attainable.
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post #8 of 11
Thread Starter 
I did not even notice the unit error. I certainly do notice the ease of reaching my desired OC . There should be some explaination as to the lower voltage (and hence lower heat generated) to reach 3.8GHz, which is where I usually stop with the 955 for folding. Not one other change but the multi and voltage.
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post #9 of 11
I have noticed the same thing...Linux is less sensitive to OC's example....in backtrack i can get up to 4.4 with 1.53v but try that in winblows and it's unstable...go figure
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post #10 of 11
OS has something to do with stability. You may be able to OC further on 32-bit than 64-bit.
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