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Old August 15, 2008, 09:08 PM
Join Date: Aug 2008
Posts: 5
Default Mini OC'ing my E8400

Hi guys...
I'm not new to computing but to OC'ing I am.
My rig:
E8400 @ 3780 (9x420) 6:5 1008Mhz 4-4-4-12 CR2 tRD=6 latency=54,3Ms(says Everest)
Voltages are: NB:1.45 VDIMM:2.35 the rest:auto
ASUS Rampage Formula
G.SKILL DDR2 PC2-8500 1066Mhz CL5 4x1Gb
ASUS 4870 X2 will be arriving next week
WD Velociraptor 300Gb
Pioneer Blu-ray CD/DVD Writer
Samsung 275T Plus also arriving next week
ThermalTake Toughpower 1000W
ThermalTake Armor 8003BWS
Scythe Infinity for some cooling
I have restricted myself to max. 60C under load and seeing as that I like these tight timings, I seem to have achieved max clockspeed, that is with the very limited knowledge that I have. It is stable for now 8hours of Prime95 2hrs. consecutive runnings.
Please feel free to point out where I might have gone wrong in assembling this one, and running such settings...
One question: Earlier today I ran Prime95 8hrs. stable aswell with settings of 4-4-4-10, but after a couple of hours my LCD poster started blinking and Everest line-voltages and NB-voltage went zero (as shown in my taskbar), even with Prime happily crunching on.
A lucky guess made me change timings to 4-4-4-12 right away (I have most timings pinned down help from Everest) and this instability seems to have been solved.
Am I just kidding myself here or is this logical behavior for too short RAS delay please?
Thank you in advance...

Last edited by Cyanide55; August 15, 2008 at 09:54 PM.
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  #2 (permalink)  
Old August 16, 2008, 01:35 AM
enaberif's Avatar
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Join Date: Dec 2006
Location: Calgahree, AB
Posts: 11,058

60 under load for me.. between 38-42 on idle..

e8400 @ 1.4v @ 4.2ghz
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  #3 (permalink)  
Old August 17, 2008, 03:43 AM
Join Date: Aug 2008
Posts: 5

Kudos ena, 60C under load running 4.2GHz is very impressive to me.
I'll have to consider water if I want to go higher.
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Old August 17, 2008, 04:00 AM
turtletrax's Avatar
Join Date: Jun 2007
Location: Edmonton(ish)
Posts: 941

My System Specs


I dont know what TRFC settings are available on the Rampage but I know that the G.Skill 4GB kits like around 48-52t.

I sometimes daydream about my E8400 and it doing 4Ghz 8x500 on 1.245Vcore. I love it LOL

EDIT: Doh, Just spotted you are running 4x1G, strike my comments about trfc. lol
"It's time to kick gum, and chew ass. And I'm all out of gum."

Dick Kickem

Last edited by turtletrax; August 17, 2008 at 04:06 AM.
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  #5 (permalink)  
Old August 17, 2008, 05:53 AM
Join Date: Aug 2008
Posts: 5

Yes 4X1Gb....I actually try running with a row refresh cycle time of 25.....maybe too low I don't know yet.
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