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Overclocking a Pentium D 2.8 820

post #1 of 11
Thread Starter 
ok guys i am new at this but its time i learn this my question is how do i do the actual overclocking on my computer i have a dell dimension e510 with a pentium d 2.8 dual core 820 i checked the bios and i dont see anything to manually change it if someone can help me out it would be greatly appreciated thank you in advanced
post #2 of 11
Can't overclock on Dells or other PC's like that. They lock their BIOS.
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post #3 of 11
Well you can overclock. But you have to use software (which is not recommended). The best way to overclock your CPU is through your BIOS. Unfortanatly all pre-made PC's lock their BIOS just as potato stated.
post #4 of 11
Some people are saying that witht he Dell XPS systems you can OC but with my XPS 400 the BIOS was still locked. Maybe something for XPS 600's?
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post #5 of 11
Quote:
Originally Posted by potato
Some people are saying that witht he Dell XPS systems you can OC but with my XPS 400 the BIOS was still locked. Maybe something for XPS 600's?
Yup some of the Newer XPS with the EE chips could/can overclock. Ive never seen it but I have no dought that it is possible, but any dimension is not capable of overclocking with out software or motherboard upgrade.
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post #6 of 11
What are safe temperatures for the Pentium D 820 and what's the max v. core?
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post #7 of 11
Thread Starter 
well that sucks, what a rip off i paid for it i should be allowed to blow it up if i want too.........but im sure someone knows how to unlock it but i guess for now ill have to deal with it thanks guys
post #8 of 11
Quote:
Originally Posted by potato
What are safe temperatures for the Pentium D 820 and what's the max v. core?

Intel Processor Spec

64c maximum (should keep it under 60, and 55 is best) and 1.4v is max voltage.
post #9 of 11
I just installed my Big Typhoon and I am about 43*C idle. Does that sound about right or do you think I installed it wrong? Also, when you begin to overclock do you set it to a 1:1 ratio or use what the ratio is already? I haven't overclocked yet or even started and my ratio is like 4:6 or something like that (Can't remember off the top of my head).


When overclocking should I turn the auto-overclocking feature on my motherboard off? It overclocks or underclocks my CPU depending on what I'm doing, so should I keep it on even if I overclock my CPU manually?
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post #10 of 11
That seems about right for an idle temp, the real test is your load temps. Idle temps rarely mean much.

Yes, you will have to manually set your ratio when you start overclocking by setting the RAM speed to the same speed as the FSB. Remember that the RAM speed is double pumped, so if your FSB is set to 250, you would want your ram running at 500Mhz to equal 1:1.


Yes, you should turn off any auto OC feature when you manually OC if it is not automatically disabled by manual overclocking anyway.
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