My OC results

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Processor Temperatures

Idle: 51C
Overnight Load: 85C
Important Notice: Overclocked systems will definitely run hotter than stock units. Your unit has been tested to be fully stable in our stress-test facility at these temperatures.

Overclocked Processor Settings

Processor Speed GHz: 4.2GHZ
CPU Multiplier: 27
Voltage CPU VCore: 1.5
VDroop Control: Yes
i7 - BCLK MHz: 155
i7 - Voltage QPI\DRAM: 1.45
i7 - Voltage QPI\PLL: AUTO
i7 - Voltage CPU VTT:
i7 - Voltage IOH Vcore: 1.51091
i7 - Voltage ICH Vcore:
i7 - Voltage IOH/ICH I/O:
i7 - PWM Frequency:
780i/790i - Memory Clock Mode:
780i/790i - CPU FSB MHz:
780i/790i - Voltage FSB:
780i/790i - Voltage SPP:
780i/790i - Voltage MCP:

Overclocked Video Card Settings

Core MHz: 700
Memory MHz: 1332
Shader MHz: 1554

Motherboard BIOS: 1204
Video Card Driver: 182.08
Chipset Driver: CD
Sound Card Driver: CD

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Hey guys, these are my results. I have been speaking w/ Jason in emails to see if I can get the temps cooler and blah blah. I honestly do not know enough about the OC process so I have been asking around. Mostly on Overclock.net.

From what they've been telling me, the voltage is way too high. 1.55V is max recommended from what I gather. And based on the comments from others, isn't 1.5V a bit excessive for 4.2 GHz?

Although, the silver lining is DS's stress test. 30-40 C ambient would explain this I think right?

But even then, couldn't the BLCK be upped a bit to mitigate the voltage?

Educate me pls!

PS: I'm happy with the OC, but I felt like the temps and the volt were going to endanger the chip's integrity.

PS.S: I have a dual loop Liquid cooled system. Asus Ramp 2 extreme. i7 965. 3x285s. Zalman air fans and blah blah.

I am not sure on the specifics of the DS water cooling system though. Jason said another rad would decrease the temps by 10 degrees but not up the OC potential.

I wouldn't mind a cooler PC tho. Waiting on Jason to get back to my email :P


Edited by LDLD - 02 Apr 2009 at 2:18pm

No, im not saying they *intend* to endanger the CPU. I'm just asking whether the high volt and temps would do so.

I asked them to keep pushing higher on the OC so they did.

My question is more technical. Not abstract. Just trying to understand the OC process in general but specifically voltage in relation to BLCK and blah blah.

I'm happy w/ the OC. I just thought the rig was too hot. And after all this time I still don't know why the CPU wasn't able to go higher. It has HT off for it to get to 4.2.

Heat was ruled out actually because DS used an industrial fan. They also switched around different CPUs but it still needed HT off to hit 4.2. And based on my exchanges in email w/ DS reps I just never got an answer as to why the rig couldn't go higher.

Based on what I'm gathering for myself - the stress test is brutal. And the people on OC.net may not be testing their rigs as hard as DS does. If that's the case then I understand completely.

I have no idea...

Jason offered an external rad or something for like 250 bucks more. I kept thinking that maybe I accidentally ordered the lesser cooling solution but it's the max possible LC option DS offers. Unless I should have specified wanting more rads or something.

I'd definitely want more if it would help lower temps.

Did you ask them for specific rads? I see that you have a 950si too.

What would be ideal for my situation to get it as cool as possible?

he has dual loop frostbite so he has 2 x 120mm rads

if under load your are hitting 85c then temps are an issue. However I'm not sure if another rad will help, if that was the case people with triple rads should never hit over 50c but that does not happen.

you got 3 GPUs in there your OC is not gonna be as easy to achieve

that system got only one gpu Dsnewb210

Edited by DST4ME - 02 Apr 2009 at 3:19pm

rad can be on top or in the back also, ya triple rad is big, but wait till you see mine

LDLD sorry I forgot to answer your other question, yes high voltage and high temps can hurt a CPU but with your settings, I'm thinking you got 6 years at least, most times the CPU will die way after you gave up the PC

Edited by DST4ME - 02 Apr 2009 at 3:28pm

nope its a triple but not the ones most are used to

seriously if we are still at LC by then, I will be very disappointed

I've already posted about it and waiting for it, but its forum looks fishy.