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-   -   i5 750 voltage? (http://www.hardwarecanucks.com/forum/overclocking-tweaking-benchmarking/27224-i5-750-voltage.html)

Draex December 30, 2009 04:24 PM

i5 750 voltage?
 
Revisiting overclocking my i5, currently 8 hour stable at 200x20, 1.344vcore (rest set to auto) and getting about 75C load temp (prime95 blend) and wanting to see if I can get my temps down any lower well retaining 4 ghz, should I try backing down the vcore more? or is there other voltages I should try and set/reduce?

(Motherboard is a P55-UD4P)

Thanks in advance.

MarkOne December 30, 2009 04:41 PM

so my 65'c for a 200x20 on 1,31 vcore was not a bad temp.. what kind of cooling solution you have ?

Draex December 30, 2009 04:43 PM

Noctua NH-U12P SE2 with the stock fans on it.

MarkOne December 30, 2009 05:01 PM

try slowly step by step to go down to 1,30 , my 1,31 was with the auto mode of an Asus board , they are usually generous

Draex December 30, 2009 07:29 PM

It seams to lose stability at 1.30v but is running fine at 1.31, changing the QPI/VTT from anything other then Auto seams to make the system crash, the temperature overall seams to be unchanged for the most part. Could it be I need to remount the HSF? Also I should point out that the ambient temp in the room is 30C, Ambient temp measured in the case (Infrared temp probe) is 42C.

MarkOne December 30, 2009 07:44 PM

you have a room at 30'c in this time of the year ?... that's explain the difference in temps.

Draex December 30, 2009 07:52 PM

The room hits 30C without the baseboard heaters on just from my two folding systems running. It drops down to about 14-15C with them off.

*EDIT*

I have made another discovery, I removed the side panel from my ATCS840 and the temps on both video cards and the CPU droped by ~10-15C under load. I am wondering if this is because of the stock cooling setup on the ATCS840 (lots of exhaust but little air intake)

BobbyLou December 30, 2009 08:18 PM

Quote:

Originally Posted by Draex (Post 309974)
Revisiting overclocking my i5, currently 8 hour stable at 200x20, 1.344vcore (rest set to auto) and getting about 75C load temp (prime95 blend) and wanting to see if I can get my temps down any lower well retaining 4 ghz, should I try backing down the vcore more? or is there other voltages I should try and set/reduce?

(Motherboard is a P55-UD4P)

Thanks in advance.

try reseating the cooler. I use the same and at 1.32 vcore 200blk I got around 65 max

Draex December 30, 2009 08:33 PM

I am getting 61C on the hottest of the Cores after removing the side panel, should I still try and re-seat the HSF?

MarkOne December 30, 2009 08:49 PM

on your cooler master ?.......... 61'c is pretty good.. I will work on the ventilation of the case instead, may be you can add a fan at the bottom of the case. and may be somethink like this on the front bay

NCIX.com - Buy Thermaltake iCage 5.25IN To 3.5IN Aluminum Drive Bay Convertor W/ 120MM Blue LED Fan - A2309 In Canada.

I use those cage on many of my server and PC. I purchase 30 of them when they was at $ 14


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