i don't think the HDT-SD964 would be enough for a quaddy. maybe the S1283?

Nice vcore! Why not OC to 3.2Ghz to see how much you need for the vcore and how high the temperature rises?

s1283 outperformed sd964 for sure, but that would required me to chg chasis

dunno why, managed to run 3ghz @ 1.285v at no sweat but for 3.2ghz, prime failed even i set to stock vcore @ 1.325, so gave up...

Wei, mine need 1.4v to get to 3.2Ghz ler...... your vcore can go higher ma!!!

raise the vcore some more la bro

feel satisfied with 3ghz at the moment , not an oc hardcore like u all sifu
btw, just do a quick prime just now with bios vcore 1.2185v @ 3ghz




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Hi, just curious to know, i set my vcore @ 1.275v, at 3.2g n stable playing game n do multi tasking, but will fail prime quad unless set to 1.325v vcore, suggestion at 1.275vcore or 1.325vcore. which setting will you set, moreover ,no doubt we are using quad core most of the time i notice our processor is using dua core the most, thats why when i sat my vcore to 1.275v is stable like a rock, but not quad prime. Any comment. TQ

@Dickong, i would choose the one passed prime; it recalls me last time when i undervolt too much on e6600, orthos failed but multi-tasks seems just fine, later when i play cpu intensive games for hours, i noticed they prone to crash... same goes to during video editing.

Bro, my orthos dual pass for 24 hours n playing any 3d game no problem, thats why, for the time being i set my vcore to 1.275v becos more cooling, any more comments or sugesstion or the advantage n disadvantage.

This post has been edited by Dickong: Jun 4 2008, 11:06 AM

That's the reason why a CPU needs to be stressed to find out whether it is stable or not. Prime95 is one of the more common app for doing that.

There are other reasons but it is possible that your rig is ok when doing normal things as all 4-cores are not stressed fully, thus resulting in a smaller vdroop. However, when all 4-cores are stressed to the max, e.g. using prime95, the vdroop is usually maxed....

For example, for my Q6600....

Vcore in windows idle :1.37v
Vcore doing normal things/playing games : 1.34v
Vcore at prime95 small FFTs : 1.312-1.328v

In short, the more the CPU is stressed, the larger the vdroop, which makes the actual real vcore lower and thus less stable...

This post has been edited by kmarc: Jun 4 2008, 11:45 PM

i didnt try the prime95 yet..but tried orthos n occt..for both occt more easy to fail compare to orthos..its using 1.27v prime orthos passed but the occt wont bout prime95 not sure..btw if sayin bout playing games np but prime failed,for me i think its normal coz if u playin game u wont continuos load for 100%..not like prime dat will load it 100% usage jus my opinion..

that is a nice proc bro
what's the VID?


i think you should set it to 1.325v coz it's prime stable, after all 1.325v is still considered a low vcore number. for most people, to reach 3.2ghz requires them to pump so much more.

When i sat to 1.325v, my temp. will go as high as 72c when quad prime, thats why i sat it to 1.275v even that the temp. when dual prime it will reach 66c., thinking of going to wc, but still prefer air cooling not so hassle.

This post has been edited by Dickong: Jun 5 2008, 02:56 PM

bro try lapped ur ultra120e..i think will help u much cooling the temp..yeah not prefer WC oso since not goin to xtreme oc

Dunno about lapping, but for me when I was running a TRUE, the temp performance dropped slightly after lapping. That's why I tu-lan and switched back to Swiftech Apogee GT with a bowed base.

The way I see it, the best performance for lapping must be done on both surfaces, otherwise one flat and one convex surface won't achieve proper contact.

Dont know how to do lapping, hopefully can find someone doing for a certain fees, but doubtful whether after lapped, dont know got much different.

there tutorial in cooling section..hehe jus need to spend arounf few dolar oni buy sand paper..gv try 1st..if not satsfied not much lost

my vid is 1.225.. i dunno how it got so low... but i OC up to 3.4 stable with prime95 24hours but the vcore is 1.365...
u guys think i can still push the vcore higher..
my idle at 3.4 is 44c and load 61-66

72c is pretty hot bro, i wonder why coz your vcore is low. have you tried reseating the HSF? if the temps doesn't change then you should lap your HSF or improve your case airflow. last time my temps was also crazy, now solved already...turns out my case airflow is not good


nice VID and nice temps bro
push it further! see how high it can go

I keep on reseating the hsf n apply as5 even change to my latest casing plus try my air flow by many way still no different, only last resort might lapp the hsf plus the proc, or only way change to wc. Again i dont understand when my proc. reach 72c i can still touch the heatsink becos its only warm not hot, dont know why, my only ideal might be the sensor giving me problem. My vid is only 1.275