Opteron OC help needed

[kramerica]

So, I was able to reach 2.81 Ghz pretty easily:

FSB @ 312

CPU volts @ 1.4V (stock = 1.32V)

DRAM Volts @ 2.0 (stock = 1.8V)

HT, Chip Volts at stock

 

Ram isn't OC'ed at all at this point.

 

Any OC above that fails at startup (I get a message saying overclock failed right after the IDE detection).

 

I tried raising HT and chip voltage - same result.

 

I know that this board should reach higher FSB. Is there anything I can do, or have i reached the limit? I really feel I can do more.

 

Thanks a lot

[Guest laydback]

Whoa, you have a long way to go my friend. A better signature is your first step. Or even a A64Tweaker shot.

 

So, I was able to reach 2.81 Ghz pretty easily:

FSB @ 312

CPU volts @ 1.4V (stock = 1.32V)

DRAM Volts @ 2.0 (stock = 1.8V)

HT, Chip Volts at stock

 

Ram isn't OC'ed at all at this point.

 

Any OC above that fails at startup (I get a message saying overclock failed right after the IDE detection).

 

I tried raising HT and chip voltage - same result.

 

I know that this board should reach higher FSB. Is there anything I can do, or have i reached the limit? I really feel I can do more.

 

Thanks a lot

[kramerica]

Thanks for the reply, here is the A64 tweaker. If there is anything else you think is relevant please let me know. thanks again.

[Guest laydback]

Those values are wrong, you'll need to download CPU-Z from www.cpuid.org . It loads a driver which will allow you to see the correct values.

[kramerica]

Yeah, I just saw that.

I have cpu-z which also isn't working 100% right. probably because of Vista.

 

any way, if it helps , these are the settings i know of:

CL: 5

Trcd: 5

Trp: 5

Tras: 15

 

Trc:20

Trfc: 35

Trrd: 3

Twr: 5

Twtr: 3

 

I've manually configured them at the DRAM settings.

[likewhoa]

Trfc should be lower, lol holy crap you got some loose as timings buddy..

play with DDS & DS values after you have tighten some of those primary RAM timings.

[kramerica]

Thanks, but right now, I'm looking for the CPU max potential. I'll tighten the timings afterwards. Does anybody know why I am getting the CPU overclock failed message beyond the 312 FSB point?

[likewhoa]

give it more voltage.

[chan]

maybe i'm wrong but u have 400w PSU...i'm asking just to make sure that i'm right

[kramerica]

Well, thanks for now. I've reached 2.9 Ghz @ 1.425V, ran orthos and the cpu died. don't know why, temps were normal (~45C), voltage wasn't that high.

I've tried everything i know: different PSU, resetting the CMOS, disconnecting unnecessary cables... nothing.

The red light next to the PCI is on, and when I hit the power button, the DRAM light turns on, and for a second the CPU fan starts spinning, but that's it. Nothing is spinning, nothing is making a noise, nothing on screen.

I guess its the CPU, cause the mobo seems to be working at least partially (power button works, DRAM lights turns on).

Any things I can do, before returning it to the store?

[Coors]

1.425v is prolly not enough for 2.9ghz. There is no need to return a perfectly good cpu.

[kramerica]

You don't understand, its dead. either the MB or the CPU. but the PC is dead. no boot whatsoever, nothing on the screen.

Please, anything I can do, before taking it back?