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Overclocking a Pentium D 850 -- 4.0ghz

post #1 of 8
Thread Starter 
As the title says, I need help overclocking my pentium D 805. I have never overclocked an intel chip before, so all help is appreciated. I am stuck with my pentium D 805 for around a month ~ along with a 4850 ~ so I would like to get the max out of it.

Mobo: Gigabyte ga-945gcm-s2l
Ram: 1gb 667mhz
HSF: CM tx3
TIM: ZM-STG2
post #2 of 8
Could you give a run down of the bios menus? I am trying to find them on google but not much there...

The basics.
C1E - Disable
EIST - Disable
Intel SPeedStep - Disable

Go into cpu menu, set ram to default timings. Set voltages manually, start raising the FSB in increments of 10 and test in between, when it becomes unstable raise voltages.

Keep an eye on your ram speed, increasing the FSB will also increase ram freq. You want to keep it as close to stock as possible til you find the max cpu.
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post #3 of 8
Thread Starter 
what is the highest safest voltage?
post #4 of 8
Page 19 here http://www.intel.com/Assets/PDF/datasheet/307506.pdf shows absolute maximum is 1.55v, thats including the vcc overshoot of .05v, so "safe" would be 1.50v or below...

But keep in mind its an easy cpu to replace for pretty cheap


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post #5 of 8
Thread Starter 
this motherboard is really confusing ~ I can't seem to find the FSB adjustor
post #6 of 8
Well its an intel 945G chipset, not really the premier overclocker of those days. The 965 was the good board..

Im not at all familliar with it. If you could post the different choices you have in bios.

Maybe write down what you have to choose from in the core bios menu, then whats in there. Gigabyte had the "Intelegent Tweaker" section back then, so if you see that you can OC. If not, may not be many options to OC...

Only found one review:

Quote:
Overclocking and Test System Specs

Well, this is going to be rather disappointing overclocking analysis. There are no overclocking options available in the Gigabyte GA-945GM-S2's BIOS. Considering the intended market for this 945G Express based platform this is not a big loss. There are basic memory tweaks though.
Doesnt look to promising... http://www.pcstats.com/articleview.cfm?articleID=2011

The 965 chipset was great for overclockng older 775 cpu's.. Unfortunately back then overclocking options were rare. Nowadays you see them on every board...
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post #7 of 8
Thread Starter 
hmmm well I will leave it at stock then ~ thanks for all the help
post #8 of 8
Quote:
Originally Posted by goldboy View Post
hmmm well I will leave it at stock then ~ thanks for all the help
No problem.. There are some software OC programs. Just not highly recommended.

EasyTune 6 from gigabyte, or SetFSB are a couple...
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