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Question Regarding My Overclock

post #1 of 9
Thread Starter 
So I had taken my CPU to a simple 200 FSB x 10 Multiplier @ 1.40v, and run Super Pi 32MB (Passed), OCCT 30 minutes (Passed), and Prime95 for 12 Hours (Passed), which as I have read means that it was a very stable overclock. I then decided to take the FSB up to 205 and began testing there with no success. I then tried to determine which was the limiting factor, the CPU or RAM. I suspected it was my RAM as although it was made by GEIL, it wasn't specifically intended to OC well.

Unexpected business came up which forced me to stop OCing for a slight bit, and I thus lowered the FSB back down to 200 Mhz. After restarting the computer, and loading the OS, things appeared to be fine until both my keyboard and mouse stopped responding. This happened for the next several reboots. In reverting back to my "stable" point, I have changed nothing. My board supports a "CMOS Reloaded" feature which reinserted the values that have been tested "stable." As of right now, I'm not sure if this (200 x 10) is stable or not. Any ideas on why I would suddenly lose stability on a revert?

Thanks in advance for any input you can offer.


Edits : Grammatical
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post #2 of 9
So you have your setting set back to 200x10 ?
If so, try reseting the CMOS using CMOS reloaded. this will set everything back to normal. If the problem continues then try running registry mechanic. Something in the OS could of became corrupt after an oc attemp failed. The worse thing that may need to be done is having the OS reinstalled. I had to do this after a few failed attemps caused my pc to boot very slow, much below normal, and this fixed it.
A simlpe CMOS reloaded should do the trick though.
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post #3 of 9
Thread Starter 
I had attempted a CMOS Reload of the previous "Stable" 200 x 10 and have gone through my 5th reboot. I do know for a fact that 166 x 12 is rock solid, but I do believe it might be time for a fresh install of Windows soon. Any other suggestions?

EDIT : Perhaps my memory is acting unstable? I had taken it off the "Auto" and put it to 2.8 before previously OCing the FSB from 200 Mhz to 205 Mhz. Can too much voltage make memory chips unstable?

EDIT EDIT : I will do a memtest86 run tonight to ensure my memory is working properly.
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post #4 of 9
Quote:
Originally Posted by Fivek
I had attempted a CMOS Reload of the previous "Stable" 200 x 10 and have gone through my 5th reboot. I do know for a fact that 166 x 12 is rock solid, but I do believe it might be time for a fresh install of Windows soon. Any other suggestions?

EDIT : Perhaps my memory is acting unstable? I had taken it off the "Auto" and put it to 2.8 before previously OCing the FSB from 200 Mhz to 205 Mhz. Can too much voltage make memory chips unstable?
yes it can because certain memory chips like less vdimm and some like more. I cant really see 2.8 hurting you chips, you can always try memtest+86 and run it a few passes to see if it is getting errors. That 200x210 just coulda been your best clock unless you up the vcore for the cpu.
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post #5 of 9
Thread Starter 
Quote:
Originally Posted by hednik
yes it can because certain memory chips like less vdimm and some like more. I cant really see 2.8 hurting you chips, you can always try memtest+86 and run it a few passes to see if it is getting errors. That 200x210 just coulda been your best clock unless you up the vcore for the cpu.
I don't mind upping the vCore at all. When I had originally OC'ed to 205, I had taken the vCore up all the way to 1.50v without stability (after each CPU Crunch test. I had OCCT crash on me once on what I thought might have been stable, but even then my keyboard and mouse "froze.") Any other suggestions?
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post #6 of 9
iv havnet dabbled with a xp mobile processor before so i dont know much about them. Its hard ot tell if your oc messed up the registry but if you have tried alot and no luck a fresh clean windows an driver install help alot. When was the last time you did it?
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post #7 of 9
Thread Starter 
I believe a little over 1 year ago.

I ran memtest86 with the vDimm setting on "Auto" and received 2 errors after about 45 minutes. I then turned off "Auto" and took the vDimm up to 2.7v and ran memtest86 for 8 hours (overnight) without a single error. Here's hoping this was the problem.

Thanks for all the help.
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post #8 of 9
if it's the Geil value RAM with the blue heatspreader I've had hassles with it too...

when I first oc this machine I stole the Geil RAM out of mum's machine thinking it would oc better than my generic stuff..

I found that with a 1:1 ratio I could push it to 238 before instability
with a 2:1.66 ratio I could push it to 212 before instability
and with a 2:1.3 ratio I could go up to stock speed before instability.

However, I put my generic RAM back in and I can have that running up to at least 238MHz on all dividers. (just have to fit a heatspreader or RAM sinks to it)
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post #9 of 9
Thread Starter 
Quote:
Originally Posted by TedSexington
if it's the Geil value RAM with the blue heatspreader I've had hassles with it too...

when I first oc this machine I stole the Geil RAM out of mum's machine thinking it would oc better than my generic stuff..

I found that with a 1:1 ratio I could push it to 238 before instability
with a 2:1.66 ratio I could push it to 212 before instability
and with a 2:1.3 ratio I could go up to stock speed before instability.

However, I put my generic RAM back in and I can have that running up to at least 238MHz on all dividers. (just have to fit a heatspreader or RAM sinks to it)
Thanks for the information. I had left Super Pi running (32 MB) and when I came back the system had frozen. I believe all that's left now is a clean reinstall of Windows.
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