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Q9550 overclocking on a Gigabyte P35c DS3r...

I think any 8500+ should give you enough overhead to push the fsb to reach 4Ghz, but the northbridge might burn a hole through the mobo if you don't cool it well :eek:
 
Biffa said:
I think any 8500+ should give you enough overhead to push the fsb to reach 4Ghz, but the northbridge might burn a hole through the mobo if you don't cool it well :eek:
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Hmmm good point.

Any NB cooler reccomendations? (Asaka AK-210)

Got my heart set on the Corsair XMS3 4GB (2x2GB) DDR3 10666C9 1333MHz, its the highest my mobo can take, does that mean i cannot overclock it(not that i'd need too)
 
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DDR3 won't really help in a P35 board with a Q9xxx. Tho if it's as cheap as PC2-8500 then you may as well get it.

P35's FSB limit with a Q9xxx chip is ~470mhz. And that's with a lot of luck, skillz and a damn good board. My IP35 Pro just about managed 475mhz stable with a cracker Q9450, and that was with 60mm fans bolted to the NB and the MOSFETS to control the heat from the max NB and VTT/FSB Term voltage settings.
 
I take it cob You can get away with lower NB, VTT and PLL voltages on a p45 with a q9xxx, with my previous q6600 @3.8ghz i was using 1.6 PLL, 1.34 VTT and 1.3 on the NB, the board chipset heatsinks were always quite cool to the touch with theese settings.
 
Lower NB and VTT, but PLL depends more on the chip.

But I don't think you'll need high PLL and VTT with the D0 chips unless you're looking to clock it to it's extreme limit. And by then you'll be taking the recommended safe 45nm voltage limits into account (1.6v PLL and 1.4v VTT).
 
setter said:
I take it cob You can get away with lower NB, VTT and PLL voltages on a p45 with a q9xxx, with my previous q6600 @3.8ghz i was using 1.6 PLL, 1.34 VTT and 1.3 on the NB, the board chipset heatsinks were always quite cool to the touch with theese settings.
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Hey, setter, and what PLL, VTT, NB and other sub-volts you are using now? I am using Avto volts configuration, maybe with manual settings I'll get 4.0GHz...:rolleyes:
 
Im currently running the following on my p5q deluxe.

vcore, 1.21250 in bios, 1.192 windows idle, 1.200 load
pll, 1.54
vtt,1.26
nb, 1.26

Currently clocked at 3.6ghz, 8.5x425, gonna have a crack at upping the fsb to 450. I never use auto voltage on this rig, as p5q's are notorious for setting extremely high voltages if left on auto or lowest manual setting.
 
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Im currently running the following on my p5q deluxe.

vcore, 1.21250 in bios, 1.192 windows idle, 1.200 load
pll, 1.54
vtt,1.26
nb, 1.26

Currently clocked at 3.6ghz, 8.5x425, gonna have a crack at upping the fsb to 450. I never use auto voltage on this rig, as p5q's are notorious for setting extremely high voltages if left on auto or lowest manual setting.
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Hm, yes, with auto volts I have 1.29 at load... So, I am going to make my 3.83GHz with manual configuration, thx setter ;)

psychas, Gigabyte GA-EP45-DQ6 is good mobo of course :)
 
I am using a P35c DS3r (revision 2.0) board with my E8500 and it has been running at 8x500 for months and months with zero problems. The only increase in voltage has been to my vcore.
Just posted the above to show that, for me, the motherboard has always performed exceptionally well and offered great value for the cost.
 
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