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Opteron 165 OC & Hyper Transport

post #1 of 13
Thread Starter 
hey guys.
i just started overclocking my new chip, Its an Opty 165. not sure what steppign and such since im at school.

anyway, leaving my cpu multi at 9x (i think its locked anyway) iand my HT multi at its def x5 i could not increase my clock past 210 (def 200)
and voltage deffintly wasnt the answer, raised it as high as 1.500 (def 1.350) and it didnt help.

so yeh. thats pretty lame right?
so i played around for a while, and lowered the HT multi, down to 4, then 3, then 2, and could still not get any further.
only when i took it right down to x1 could i get anywhere.
i now currently have it at 2.6Ghz vcore - 1.450 (needs some fine tuning).

what does the ht multi do? by having it at 1x how much performance will i lose?

temps are okay, there around 39 idle, and 48 load on css. (under stress on both cores its about 55, to much?)

thanks for any help guys.
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post #2 of 13
Quote:
by having it at 1x how much performance will i lose?
almost none...maybe you'll lose 1-2FPS...HyperTransport spepds are important with multiple CPU's, but leaving it at 1x with 1 CPU shouldnt hurt performance
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post #3 of 13
Thread Starter 
Quote:
Originally Posted by TheSubtleKnife View Post
almost none...maybe you'll lose 1-2FPS...HyperTransport spepds are important with multiple CPU's, but leaving it at 1x with 1 CPU shouldnt hurt performance
what about multiple cores? dosent effect that because its on same chip? rather then a bus between cpus?
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post #4 of 13
It'll hurt it, but I don't know by how much. I prefer to keep mine at least above 500. Try some tests at stock to see the differences.
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post #5 of 13
Did you mess with chipset voltages? I found that if I upped my nForce voltage a bit, I was able to get over 390 FSB on this board. I have more in it I'm sure...
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post #6 of 13
Thread Starter 
Quote:
Originally Posted by standard235 View Post
Did you mess with chipset voltages? I found that if I upped my nForce voltage a bit, I was able to get over 390 FSB on this board. I have more in it I'm sure...
im not even sure if i have teh option to up the chipset voltages. so the ht multi determins the FSB? that means i would be running 289 fsb...sounds rtaher low
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post #7 of 13
Basicly the ht multi x the FSB = the ht which means you want to keep it around 1,000mhz also you can go about 50mhz above 1,000 some can go more.. Now you should check the steping for us. I would say change the ht multi to 3x and the FSB to 315 and the vcore at 1.5v and put a divider on the ram some where around the mid 400s it will divide around 430 or so then up the ram voltage to +0.1 and you should try booting that! that works and you should be around 2.8ghz.. Just give that a shot! always works for me.. and if you get that stable i can help you go for 2.9ghz!
post #8 of 13
multi to 3x and ram divider at 100mhz vs 200mhz and clock that thing as high as the sky.
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post #9 of 13
Thread Starter 
Ok heres what i got so far, im not sure what stepping it is, cpu-z says 2. im not sure so ill attatch a pic.

i am also going to attach pics of my bios. so you can get a brief idea of my board, and inststruct me. as far as memory goes ive always been a bit noobish

also with my mem divider, my lowest is 2/1 and highest 2/2.5



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post #10 of 13
Thread Starter 
Quote:
Originally Posted by sublime0 View Post
Basicly the ht multi x the FSB = the ht which means you want to keep it around 1,000mhz also you can go about 50mhz above 1,000 some can go more.. Now you should check the steping for us. I would say change the ht multi to 3x and the FSB to 315 and the vcore at 1.5v and put a divider on the ram some where around the mid 400s it will divide around 430 or so then up the ram voltage to +0.1 and you should try booting that! that works and you should be around 2.8ghz.. Just give that a shot! always works for me.. and if you get that stable i can help you go for 2.9ghz!
okay i tried those settings and it booted after messing about for a bit. beauty. i will check temps and such now. what should i use to see if its stable?

Edit - MY divider is at 2/1 which gives me ddr speed of 314. the next divider up gives me 418 and it wont boot.
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