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Supermicro 4P H8QGi/6 Overclocking Guide! - Page 6

post #51 of 97
Quote:
Originally Posted by Desert Rat View Post

Mine is running solid at 220 block or 2420mhz. My ppd went up from 465k to 530k on a 6903 wu. This setup is getting the ppd of 6 X 2600k at 85k ppd for under 500 watts. biggrin.gif

Dang so you could call it eco friendly. That overclock sure makes a big difference. Hopefully you can push it a farther tongue.gif are all the cores being overclocked together or can you tweak them separately?
post #52 of 97
Its all or nothing. I tried 225 block but it failed the wu. I can try something in between but not really going to make that much of a difference. I rather it be a solid oc.
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post #53 of 97
And you are using version 2 of the [H] BIOS for sure?
Sounds like the issue that was addressed between version 1 and version 2.
post #54 of 97
Its the 2nd bios. Im not sure if the 12 core cpu's overclock the same as the 8 core ones.
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post #55 of 97
Dr's problem is in his ram, not the bios. Infact, he should be able to get 225 on the original, non adjustable oc. I am stable at 225 with the original bios and ram flashing, but not stable at 225 with the new bios and oc.
 
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post #56 of 97
So we are ordering the same ram but getting different results?
Doesn't say much for either NewEgg or maybe for G.Skill.
I'm about to place the second order, so what do I look out for?

As you know I'm already using 32GB of the recommended in the 1st rig.
post #57 of 97
It's the green vs. black pcb problem. The black ones oc great while the green ones can't handle it.

Edit: this is regarding the 4x2GB GSkill cas 7 1333 ram.
 
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post #58 of 97
Did you buy these via NewEgg and if so did you enquire about the difference?
I wonder if the numbers on the modules themselves differ in any way? Other than date code.
I might pull one of mine quickly to compare if you send me the info from yours.
If that would help.
post #59 of 97
Quote:
Originally Posted by JoshHuman View Post

It's the green vs. black pcb problem. The black ones oc great while the green ones can't handle it.
Edit: this is regarding the 4x2GB GSkill cas 7 1333 ram.

That is what some say but I am not completely sure about that 1 of mine has the black #1 and #2 has the green #2 clock for clock out preforms #1 and #1 so far will OC higher but not much 1 or 2 mhz both will boot and run at 240 but neither is 100% stable at that, they are both stable to run SMP at that but #2 with the green PCB's will out preform #1 neither will complete a bigadv at that. Both will complete a bigadv at 235 but once again #2 out preforms #1 so I myself have doubts about the green black thing. I think there may be some issues with something but what it is I have not figured it out yet and it will probably take a while to figure it out. There is allot of testing that has to be done first but I do not think there is a difference in the green and black at least not with the current bios. wink.gifwink.gif
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post #60 of 97
Looks like I can shoot this down completely.
I just used my trusty flashlight and every single one of my 16 sticks has a green PCB.
The heatsinks had me fooled as they are black and blue, but the pcbs are good old green FR4.
I have had OCs up to 240 (20%) folding fine for hours and completing -bigadv.
I have it back at 235 right now to complete this WU and then may try 250 if the temps are still low.
Right now running a max of 42C on the worst core of the worst CPU.
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