I am trying to give my overclock a boost from 3.6ghz to 4ghz, if i get it stable at reasonable voltages.
I figured out, that on FSB500 the BIOS automatically sets a cpu VTT of 1.6v and a PLL voltage of 1.86v!!!
Been testing for 2 days on a FSB of 500 with these voltages on auto.
Guess i can be considered pretty lucky since my chip didnt noticeably degrade / die.
How is it possible for the BIOS to automatically set these values so far out of the safe range?
With these voltage on stock (1.5v for PLL and 1.2 for Termination Voltage) i dont seem able to do 500mhz FSB.
I guess its the PLL voltage is responsable for this?.. does it usually need a bit more for 500FSB?
Thats where your FSB starts after all.
I am using 2.00D Strap.
I have 1.3v on my MCH/Northbridge (where auto sets 1.36), when i hit for 500FSB.
For current 24/7 overclock on i have 1.2 manually set here.
Lowered my CPU multiplier to 6 for the moment just to get 500FSB stable first, switched RAM to official rating of 1000mhz @ 5-5-5-18 timings (advanced all auto) with rated 2.1v (will try lower later soon as all is stable).
I would also like to know what VTT (termination voltage) actually is....
Is this the setting i know by the term of startup value?...
just to get your system to post?
Seems pretty hard to find some clarity about this on the net.
Really appreciate some explanation on this :)
Thanks
I figured out, that on FSB500 the BIOS automatically sets a cpu VTT of 1.6v and a PLL voltage of 1.86v!!!
Been testing for 2 days on a FSB of 500 with these voltages on auto.
Guess i can be considered pretty lucky since my chip didnt noticeably degrade / die.
How is it possible for the BIOS to automatically set these values so far out of the safe range?
With these voltage on stock (1.5v for PLL and 1.2 for Termination Voltage) i dont seem able to do 500mhz FSB.
I guess its the PLL voltage is responsable for this?.. does it usually need a bit more for 500FSB?
Thats where your FSB starts after all.
I am using 2.00D Strap.
I have 1.3v on my MCH/Northbridge (where auto sets 1.36), when i hit for 500FSB.
For current 24/7 overclock on i have 1.2 manually set here.
Lowered my CPU multiplier to 6 for the moment just to get 500FSB stable first, switched RAM to official rating of 1000mhz @ 5-5-5-18 timings (advanced all auto) with rated 2.1v (will try lower later soon as all is stable).
I would also like to know what VTT (termination voltage) actually is....
Is this the setting i know by the term of startup value?...
just to get your system to post?
Seems pretty hard to find some clarity about this on the net.
Really appreciate some explanation on this :)
Thanks
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