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[OFFICIAL] Phenom II X4 9x5 OC Club - Page 194

post #1931 of 5692
Quote:
Originally Posted by ghot View Post
Well here is with lower voltages and tighter timings...still passed



settings for this run:

ASUS M4N82 Deluxe [980a chipset]
AMI BIOS 0802
Win XP Pro 32bit

5-5-5-15-22-2T-2.1v
Dram freq. = 1066mhz
CPU/NB Freq. = 2600Mhz
HT Link Speed = 2.0Ghz
CPU Vcore = 1.425v
CPU/NB Voltage = 1.30v
CPU/VDDA Voltage = Auto
Dram Voltage = 2.10v
HT Voltage = Auto
NB Voltage = 1.2v
nForce 200 Voltage = Auto

Ambient: 21C
Idle Temps: CPU: 26C....MCP: 37C
Load temps: CPU: 43C....MCP: 46C (after 3+ hours of Prime 95/blend)
CPU Rev. = CACYC AC 0915APMW

VALIDATION:

and here is Everest Memory Bench:

What your ambient temp? There must be freezing?
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post #1932 of 5692
Quote:
Originally Posted by superbruce View Post
This may sound weird, have you considered dremeling off part of the heatsink (heat spreader) on your RAM that sticks up so far? Just enough to fit them into the slots closest to the CPU. With your temps your RAM will be fine.
Doesn't sound weird at all, in fact I was going to do that but, in order to get the high profile (tall) heatsinks under the cooler, I'd have to dremel off half of the heat pipes too....and THAT didn't seem like a good idea to me

....and dremeling RAM is NEVER a good idea...especially since they sell low profile RAM!
Edited by ghot - 8/4/09 at 7:23am
post #1933 of 5692
Quote:
Originally Posted by Asmola View Post
What your ambient temp? There must be freezing?
17C-21C is ambient.....I'm telling ya this Zalman CPNS 10X Extreme with the Zalman ZM-STG2 thermal grease rocks! These AMD 955's are pretty flat to begin with and a razor blade test on the Zalman heatsink is awesome...dead flat except for the diagonal check where it's only ...maybe 0.0001 off. Passes the "coin test" no problem.

BUT the REAL secret is this:
1. Coolermaster ATCS 840 full tower with the 3x 120mm optional fans (Sycthe SFF21G)

2. My 8000 BTU A/C window unit is 4" behind and 4" to the right of my case...AND I put 2.5 inch oak block under the legs which gives a total of 3" under the case, which happens to sit on a file cabinet, which puts the underside of case on level with the A/C vents....AND....one of the 75CFM 120mm Scythe's mounts flat on bottom of case (inside)(intake).

3. BUT the REAL trick is I put duct tape on ALL the passive vents on rear of case. Why, you ask! Well....short answer: it lowered my temps 4-5C. Long answer: This case has 2x 230mm exhaust fans on the top, and they suck a LOT of air. They suck SO much air...that I found that they were sucking all the HOT rear exhausts (PSU, GTX280, 120mm rear exhaust fan)....right back into the case through the passive venting on back of case.
DO NOT BLOCK THE REAR EXHAUSTS WITH DUCT TAPE....just the passive air holes !!

This case and ALL cases with a ton of passive venting on back side, are designed to aid the water cooling setups. They actually mess up air cooling setups.

We all learned, back in the beige mid tower crapola case days....that you NEVER put an intake fan near a hot air exhaust fan. Even though the fans causing the same sort of problem happen to be on top of case.....they STILL screw up internal air flow on cases with a ton of passive venting on rear.

In other words...for the coolest air inside the case...the exhaust fans should ONLY be able to GET air to exhaust, from the intake fans or from the case interior.

It took me 3 weeks to figure out why my temps were so high with so many godly fans...LOL....I was contemplating case mods, baffles, ducts, etc., till I remembered my old POS mid tower with 80mm fans...I thought why was that case so cool and this GOD case so warm....ANSWER: the old case didn't have a zillion holes on back of case, right where all the HOT exhaust was.

IF you try this, DO NOT LEAVE YOUR CASE UNATTENDED, until you are sure that your temps stay lower both at night and in the hottest part of the day !!

That said...this is where i used the duct tape on the Coolermaster 840 full tower:



P.S. IF you have water cooled parts..then DO NOT duct tape these passive air holes on back of case...they were PUT there FOR water cooled setups!
Edited by ghot - 8/4/09 at 7:52am
post #1934 of 5692
Quote:
Originally Posted by beefdog View Post
Lower your voltage, you dont need that much voltage for these 955's. I was able to do 3.6 on less than stock voltage. So lower your voltage and youll be ready to go....see attachment for proof of 3.6

some cpu/motherboard combos may be able to run higher on stock voltage, but that really isn't the case with all 955's. My board has .2-.3v of droop under load, so to get to 3.6ghz, at least with my setup, I had to raise CPU voltage to 1.48v (which is actually 1.456v no load and 1.42v 100%load)

not all 955's act the same way. i probably got one that was made on wednesday
Edited by brkbeatjunkie - 8/4/09 at 10:00am
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post #1935 of 5692
I havent touched the RAM tbh its at stock timing and Freq ill back off the volts and try again, Load temps sitting at 50C last time i checked CoreTemp and to me thats a tad heigh on W/c !


Quote:
Originally Posted by Slappa View Post
Well first off, is your ram stable?

Either stabilize it, or back it off before touching the cores. Same goes for the NB Frequency.

I would try less voltage, perhaps 1.475Vcore for 3.8GHz.

What are your load temps like?


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post #1936 of 5692
anybody know the limit temperature for the nvidia 750a MCP chipset? I've been running 264x13.5, with 9x on the NB for 2450 NB/HT clocks. Everest says 51 degrees celsius for the MCP and thats at idle. my system has shown stability through prime and playing games, im just not sure how hot the NB can get. i really like where i am now with overclocking - i just want to make sure im not causing permanent damage by leaving the ref clock at 35%+ (265-270mhz). i would post screens but im on my g5 tower learning mySQL and Apache web server stuff. wordpress is your friend when it comes to that!!
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post #1937 of 5692
AIR cooling, 1.58V ,-) not bad i think....

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post #1938 of 5692
Quote:
Originally Posted by FlanK3r View Post
AIR cooling, 1.58V ,-) not bad i think....

wow....this guy just got higher than what Chew* got...
It says,Im HOT!
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It says,Im HOT!
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post #1939 of 5692
sorry.i didnt see properly.it's a 965....how's the benchmark going?
It says,Im HOT!
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It says,Im HOT!
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post #1940 of 5692
it was some at xtremesystems

http://www.xtremesystems.org/forums/...d.php?t=231200
, better waiting to reviews for few days...
Edited by FlanK3r - 8/4/09 at 12:10pm
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