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overclocking problems

post #1 of 8
Thread Starter 
OK I have a foxconn mobo it is out of an alienware computer. My problem is the when i go to find my max Reference clock. OK i started trying to use both my bio and ntune. B/c my mobo is 100% compatible with Ntune. OK i got it up to 280 before i had to drop the HT Multiplier down to 4x using ntune. So i rebooted and put the new setting in the bios. CPU multiplier is at 5x ram is set to DDR2 400 and the HT is at 4x and the reference clock i set to 280 in the bios it boots just fine and passes a 2min. othos test. So i start o over clock with ntune again i get it to 350 in ntune and my computer reboots it has passed a 2min othos test at 345 so i go to put the new setting in the bios. So i drop the Ht down to 3x and raise the Reference clock to 345 and it doesn't post. so I thought it was just to much of a jump. So my bios reloads the default setting and i try it take it to 282 to see what it will do and it still wont post with my HT set at 3x or 4X. I set every thing back to 280 the CPU at 5x and ram to DDR2 400 and the HT to 4X It boots. So i go into Ntune and raise the reference clock back to 345 and check it with CPU-z and the setting have taken affect and it has now pasted a 30 orthos blend test. So why wont it post when i put it into the bios but it will work in NTune? Cpu-z is showing everything correctly
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The Slowpoke
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post #2 of 8
You may be hitting a FSB hole in your motherboard though im not sure. just an idea
post #3 of 8
Quote:
Originally Posted by slowpoke2006 View Post
OK I have a foxconn mobo it is out of an alienware computer. My problem is the when i go to find my max Reference clock. OK i started trying to use both my bio and ntune. B/c my mobo is 100% compatible with Ntune. OK i got it up to 280 before i had to drop the HT Multiplier down to 4x using ntune. So i rebooted and put the new setting in the bios. CPU multiplier is at 5x ram is set to DDR2 400 and the HT is at 4x and the reference clock i set to 280 in the bios it boots just fine and passes a 2min. othos test. So i start o over clock with ntune again i get it to 350 in ntune and my computer reboots it has passed a 2min othos test at 345 so i go to put the new setting in the bios. So i drop the Ht down to 3x and raise the Reference clock to 345 and it doesn't post. so I thought it was just to much of a jump. So my bios reloads the default setting and i try it take it to 282 to see what it will do and it still wont post with my HT set at 3x or 4X. I set every thing back to 280 the CPU at 5x and ram to DDR2 400 and the HT to 4X It boots. So i go into Ntune and raise the reference clock back to 345 and check it with CPU-z and the setting have taken affect and it has now pasted a 30 orthos blend test. So why wont it post when i put it into the bios but it will work in NTune? Cpu-z is showing everything correctly
Slowpoke, In my own opinion I'd stay away from software overclocking. I've heard to many horror stories of data corruption occuring and hardware getting damaged.
Does nTune automatically adjust the chipset voltages? Have you tried giving your board more chipset voltage when raising the HT (reference clock).

Good luck
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post #4 of 8
Thread Starter 
I can change the CPU, ram, HT CPU<-> nForce SPP, HT nForce SPP<-> MCP, nForce Spp, nforce MCP, and the Auxiliary volts. all are set to 1.4, 2.0, 1.2,1.3,1.2,1.5,1.5 in the same order i listed them. In the bios there all set to auto but thats what nTune displays them as being set at. But with ones do i need to raise. Right now i cant really seem to get my ram a high as i want b/c i ether hit HT instability or my CPU becomes unstable. My CPU becomes unstable when i go past 3.2Ghz. and my ram will go past 800mhz. Right now I'm running my ram as DDR2 800 to overclock it, but it it DDR2 667. and my CPU multy is at 15x and my HT is at 210.
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The Slowpoke
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post #5 of 8
Slowpoke, that is quite a few options for voltages. I can't say for sure which one controls the chipset voltage. I'm leaning towards HT CPU<->nForce SPP. Does anyone with this board have experience on changing the voltages?
With a Black Edition processor it's almost not necessary to have to find the max HTT (reference clock). Changing the processor multiplier should be easy enough but I guess it's always nice to know what the chipset is capable of

Good luck!
Edited by thlnk3r - 6/2/08 at 2:01pm
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post #6 of 8
Thread Starter 
what is a FSB hole?? I havent heard that term before.
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The Slowpoke
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post #7 of 8
Quote:
Originally Posted by slowpoke2006 View Post
what is a FSB hole?? I havent heard that term before.
Slowpoke, it ranges from board to board. FSB hole typically is an issue with not being able to POST at a certain reference clock range(ie. 305-315HTT). I hope that makes sense.

I'm sure someone will describe it with a far better explanation.

Good luck
Edited by thlnk3r - 6/3/08 at 9:07am
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post #8 of 8
Thread Starter 
yea that helps out. ill just try a few differiant setting then.
The Slowpoke
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The Slowpoke
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