- Apr 1, 2008
- 3
- 0
- 0
Hi all,
I'm working with user JohnVM on the rig shown here:
http://forums.anandtech.com/me...=2170367&enterthread=y
We're both pretty new to 'real' overclocking, and I was hoping some of the gurus on this board could answer a couple questions.
First off, to recap, the system is:
QX9770 stepping C1.
Evga 790i ultra sli mobo.
8 gigs of Corsair DDR3 SDRAM DDR3 1600 (PC3 12800).
9800 GX2 video card.
Currently I'm at 4.4Ghz in Vista64 at 400x11. I've had to up the core voltage to 1.7875V to get it stable at this speed. Even after reading the sticky Anandtech guide, I don't fully understand when to up the other voltages- they're all Auto for now.
Is it normal to need this much V to get this high stable? If I up other voltages can I bring core V down and stay stable at 4.4GHz? (Note I'm using VapoChill LS, so core temps are under 50C under stress - Prime95).
I also haven't been very successful at setting the RAM speeds and voltages. The mobo says it can do 2000MHz DDR3, but the highest I've gotten the memory is 1600MHz for both the RAM and FSB. How can I get the RAM to run at 2000MHz if the FSB is only 1600MHz? My attempts to set this have failed to post.
Also, is there a bug in SuperPi 1.5 with Vista64? My computer seems to be running fine right now in Vista, and is stable and pretty chilly even under Prime95, but when I try to run superpi, it simply crashes halfway through about half the time. Is this a sign of instability on my comp (even though everything else appears fine) or is it just a bug?
Finally, could anyone link me to some other guides for overclocking this stuff, or maybe a link to someone successful at overclocking a QX9770 w/ DDR3? The anandtech guide was helpful, but I still know embarassing little about this stuff, and I'd like to learn as much as I can.
Thanks in advance,
Justin
I'm working with user JohnVM on the rig shown here:
http://forums.anandtech.com/me...=2170367&enterthread=y
We're both pretty new to 'real' overclocking, and I was hoping some of the gurus on this board could answer a couple questions.
First off, to recap, the system is:
QX9770 stepping C1.
Evga 790i ultra sli mobo.
8 gigs of Corsair DDR3 SDRAM DDR3 1600 (PC3 12800).
9800 GX2 video card.
Currently I'm at 4.4Ghz in Vista64 at 400x11. I've had to up the core voltage to 1.7875V to get it stable at this speed. Even after reading the sticky Anandtech guide, I don't fully understand when to up the other voltages- they're all Auto for now.
Is it normal to need this much V to get this high stable? If I up other voltages can I bring core V down and stay stable at 4.4GHz? (Note I'm using VapoChill LS, so core temps are under 50C under stress - Prime95).
I also haven't been very successful at setting the RAM speeds and voltages. The mobo says it can do 2000MHz DDR3, but the highest I've gotten the memory is 1600MHz for both the RAM and FSB. How can I get the RAM to run at 2000MHz if the FSB is only 1600MHz? My attempts to set this have failed to post.
Also, is there a bug in SuperPi 1.5 with Vista64? My computer seems to be running fine right now in Vista, and is stable and pretty chilly even under Prime95, but when I try to run superpi, it simply crashes halfway through about half the time. Is this a sign of instability on my comp (even though everything else appears fine) or is it just a bug?
Finally, could anyone link me to some other guides for overclocking this stuff, or maybe a link to someone successful at overclocking a QX9770 w/ DDR3? The anandtech guide was helpful, but I still know embarassing little about this stuff, and I'd like to learn as much as I can.
Thanks in advance,
Justin