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Brisbane 3600x2 2,6GHz stable

post #1 of 9
Thread Starter 
Strangely all I can do is 2,6GHz on my rig. I might be able to push the FSB another 50 but I don't see the point.

As you can see in the CPUID window my CPU volt is LOW. I wonder if low volts can damage my proc over time?


My previous OC attempts on this rig have not been very successful, being a n00b I first used ClockGen, it worked ok until 2,2GHz, then I would BSOD. So I upped my voltage to my RAM and I managed to squeeze 2,3 and finally 2,4 before my rig would freeze.
Then after a while, I learn how to OC with my BIOS and get it to 2,5 on 1,37(?) volt. But my temps was waaay to high, and I didn't even think they where for real, temps reaching 80 degrees Centigrade is never good.. Hopefully my proc isn't damaged.

Finally I got my new Zalman HSF, some AS5 thermal paste and with lowered volts I get 2,6GHz on stable, livable yet high temps. But they are stable.

If I up my FSB with 100 MHz it will boot into safe, no matter the voltage. Thoughts would be appreciated.

~The pursuit for performance

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post #2 of 9
well, low voltage is never bad unless it is NOT ENOUGH, which means your computer crashes randomly. EIGHTY DEGREES?? are you sure you're not reading farenheit? anyways, best stay at 2.6 Ghz.

how warm is your room
how good is the case airflow?
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post #3 of 9
The Brisbane core is known to cause temp misreports...check for a BIOS update.
Try a higher HT in the range of 1000-1300 and under clock your RAM for now so it won't become an instability factor for now. Later work on bring the RAM back up to speed.
    
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post #4 of 9
Thread Starter 
Quote:
Originally Posted by Nevaziah View Post
well, low voltage is never bad unless it is NOT ENOUGH, which means your computer crashes randomly. EIGHTY DEGREES?? are you sure you're not reading farenheit? anyways, best stay at 2.6 Ghz.

how warm is your room
how good is the case airflow?
I'm sure it Celcius alright, but as The Duke says the 3600 has issues with the temp readings. However now after turning down my voltage I'm 40-45 idle and 60-65 on load. If these temps are inaccurate however, the peak readings are still 15-20 degrees lower than before, so it's good.

My room is very hot now, I dont monitor my room temps but I'd say atleast 25C

My case has useful airflow I belive... I put most of my cables in the far side away from my near side door because it has a fan. My PSU sends air downwards in my case, not out the back as usual my HSF sends air up (or it would fry my gfx) and there's a fan in the rear below the PSU. I think my airflow is alright.

Quote:
Originally Posted by The Duke
The Brisbane core is known to cause temp misreports...check for a BIOS update.
Try a higher HT in the range of 1000-1300 and under clock your RAM for now so it won't become an instability factor for now. Later work on bring the RAM back up to speed.
I know, I have the lastest BIOS (from last April I think), I also belive my RAM is underclocked, I only raised my RAM voltage to stop it from freezing up (strangely it did but not anymore). I've set my RAM to "400", thats the only thing I can do with my RAM apart from voltages.

I'll try a higher HT, not sure what that would do since someone said that I should set it to 3x, but still worth a try
Thanks
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post #5 of 9
what is your FSB right now? i got mine to 305 stable which puts me at 2.9. if you can keep it cool enough, go for it.
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post #6 of 9
Most AM2 systems seem to like hight HT speeds, go figure!
My 3600+ at idle only hit 32c according to the BIOS in a room that was in the high 20c range. Considering the BIOS temp is approximately 80% of the full load temp and the voltage was @ default, your temps seem way out of line. Perhaps ECS has not addressed the reported temp issue yet in a BIOS update! BTW, I'm using a Ultra 120 Extreme w/a SS fm121 fan.
    
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post #7 of 9
my HT is about 1200, but it was kinda tricky getting it there.
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post #8 of 9
Thread Starter 
Quote:
Originally Posted by stanrc View Post
what is your FSB right now? i got mine to 305 stable which puts me at 2.9. if you can keep it cool enough, go for it.
My FSB is 275, max for the mobo is 300.
I can perhaps go to 280 but above that it'll go into safe mode on boot and bring be back to stock if I don't change the FSB... I dunno why, doesnt seem to be low volts because raising it doesn't help.
Quote:
Originally Posted by The Duke
Most AM2 systems seem to like hight HT speeds, go figure!
My 3600+ at idle only hit 32c according to the BIOS in a room that was in the high 20c range. Considering the BIOS temp is approximately 80% of the full load temp and the voltage was @ default, your temps seem way out of line. Perhaps ECS has not addressed the reported temp issue yet in a BIOS update! BTW, I'm using a Ultra 120 Extreme w/a SS fm121 fan.
Yeah, AMD says I can get 72 degrees with no problem, according to Everest I had 80 during Orthos before I got the volts lowered and this fan installed. and yeah it is possible that ECS havent fixed that stuff, it's also possible they don't even know... ECS sucks

Well my temps don't go above 65 on load now so I'm happy, they could also and possibly are even lower but if my rig fries now I'll be clueless to why.
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post #9 of 9
Thread Starter 
Upping the HT did it mate. Thanks a lot

You're right, some AM2's likes higher HT's, I'll watch the AMD CPU forum a little more closely and I'll tell people to try it.

Idle temps:


Load temps:


Correct temps?

EDIT: why did my volts change between those screenys?
1,2 on one and 1,18 on the other?
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