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Discussion Starter #1
Edit: See last post.

I know Windows OCing tools are pretty crappy overall but do they overvolt the CPU fine? My BIOS only has the option to add voltage in 0.05V increments up to +0.2V and I have a feeling my E5200 can do 4ghz at less than 1.35V. It's stable at 1.35V and whatever 300*12.5 is right now.
 

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well overclocking is much safer and stable in the bios, but then again if your mobo's bios wont allow manual voltage increases then i guess you could find one that is kinda decent, though i thought oc software was used specifically for the mobo that they come with? And, 1.35v for 3.75Ghz is pretty decent, but i have seen a lot of e5200's git 4.0Ghz on around 1.4v.
 

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Discussion Starter #3
So far the clock/vcore curve has been pretty steep (except from 2.5 to 3, that needed ~0.7V increase) so I'm hoping on geting 4 on these volts.
It's not stable at 210*[email protected] but I'm happy leaving it on 1.4V I guess. /thread
 

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Discussion Starter #4
OK, not /thread

I'm having trouble getting it stable at 4ghz. It boots with these settings at 300 but not 320.

Bus: 320
DRAM: 3:5 (the lowest divider there is)
Memory voltage: 2V
NB: 1.4V (highest)
VTT/FSB Termination: 1.3V (highest)
SB: 1.5V
vcore: +150mv (so 1.4V) (highest)

Memory remapping: On
Timings: 6-6-6-15

Ratio: 12.5
C1E/SS: Off
Max CPUID value limit: Off
CPU TM: On (it hasn't reached the thermal limit yet though, 10c off)
XD bit: On

What do I need to change that I can change?
 

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Quote:


Originally Posted by T D
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OK, not /thread

I'm having trouble getting it stable at 4ghz. It boots with these settings at 300 but not 320.

Bus: 320
DRAM: 3:5 (the lowest divider there is)
Memory voltage: 2V
NB: 1.4V (highest)
VTT/FSB Termination: 1.3V (highest)
SB: 1.5V
vcore: +150mv (so 1.4V) (highest)

Memory remapping: On
Timings: 6-6-6-15

Ratio: 12.5
C1E/SS: Off
Max CPUID value limit: Off
CPU TM: On (it hasn't reached the thermal limit yet though, 10c off)
XD bit: On

What do I need to change that I can change?

wats the vid on it? i had a 1.125 vid and i still needed 1.4 vcore in windows for it to be stable
 

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Discussion Starter #6
It's 1.25V VID but it's only needed 1.35 to be stable at 3.8ghz so I don't think vcore's the problem here. I can't change that anyway, that's the limit this board lets me do.
 

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Quote:


Originally Posted by T D
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It's 1.25V VID but it's only needed 1.35 to be stable at 3.8ghz so I don't think vcore's the problem here. I can't change that anyway, that's the limit this board lets me do.

the voltage curve goes rediculous around 4ghz on these chips i needed 1.52 vcore to run 4.4 but only 1.45 to run 4.2 and 1.4 to run 4.0 and 1.37 to run 3.8
 

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Discussion Starter #8
I don't know if it's my board or my CPU not being stable at 320*12.5. In fact, 295 is the limit I can stay stable. I'm thinking board because I can't lock the PCI-E freq and PCI freq and there's also stuff like not being able to turn spread spectrum off etc. Also, raising the bus and lowering the multiplier is still unstable.

It really is a sucky board for OCing but it just passed 12 hours stable small FFTs at 3.7ghz so I'm happy for now
 

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same chip and cooler here with different board. I have no problems getting mine stable at 4.0GHz but takes more voltage because my board has terrible Vdroop. (See sig)
 
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