The Official Opteron 939 Overclocking Thread

[s e t h]

I have a choice of 2 steppings, which one would be better?

CABYE 0540 FPMW
CABYE 0540 FPAW

i am in the exact same position but i want to know which stepping handles extreme cold better?
if anyone can help shed some light i would be most greatful

i did start a thread hoping to get some information
http://www.xtremesystems.org/forums/...ad.php?t=79658

[Kameleon]

I have a choice of 2 steppings, which one would be better?

CABYE 0540 FPMW
CABYE 0540 FPAW

I've got the same choice, I'm just gonna take pot luck. They seem to be doing about the same, just depends on the chip

[ncsa]

I think either will do well ... and a little cold is OK..

285x10 @ 1.3v Pi32M

[ixtapalapaquetl]

Guys with these opterons has taking the IHS off made any difference to OC on air or water?

In my case, yes. Removal dropped my load by 10C, which allowed for greater voltage and subsequently a higher frequency.

[Wiker]

Does the 144 CABYE generally overclock as well as the 146 CABYE?

[FLO]

Thats my new toy




My rig
ΜΟΒΟ DFI NF4 SLi DR
CPU AMD Opteron 146 (CABYE 0540)@3,??0 cooled by XP120
RAM mushkin redline XP 4000

[Lastviking]

Thats my new toy



My rig
ΜΟΒΟ DFI NF4 SLi DR
CPU AMD Opteron 146 (CABYE 0540)@3,??0 cooled by XP120
RAM mushkin redline XP 4000

Nice chip, what stepping do it have fpbw? and batch

[skogkatt]

I just received my 146 : Good news for us scandinavians, it's a CABYE 0540 FPBW. Priming at 2600 Mhz, with default vcore as we speak; I'll make more serious tests after a good night sleep.

[mascaras]

today the shop near my house receive the 144 stepping: CABNE 0540BPMW is this a good stepping???

[Onycho]

today the shop near my house receive the 144 stepping: CABNE 0540BPMW is this a good stepping???

Good stepping? CABNE is the best stepping! buy buy buy as many as you can and send me one while you're at it!

[mascaras]

Good stepping? CABNE is the best stepping! buy buy buy as many as you can and send me one while you're at it!

i knw CABNE its the best stepping and the rest 0540 bpmw????

[s e t h]

144 stepping: CABNE 0540BPMW = not as good as the earlier ones
seriously put the stepping into google or the search function here and off you go

[ManagHead]

today the shop near my house receive the 144 stepping: CABNE 0540BPMW is this a good stepping???

Heard some had problems with coldbug on those..

[tatts]

CABNE 0540BPMW is just like cab2e & cabge, hard work getting to 2.9ghz, most ive seen need 1.6V for 2.8ghz
i wouldnt say the early cabne 0528 & 0530 is the best either anymore, the 146 cabye 0540 is giving them a good run, nearly all of them hitting 3ghz easily (mine is prime stable doing 2.9ghz on stock volts! shocking)

[stone_cold_Jimi]

Ah, but a 146 has a 200MHz head start... so really a 146 @ 3 G is the same gain as a 144 @ 2.8 G.

I still have my 144 CABNE 0540BPMW sitting here in its box, untested. I bought an ASRock Dual mobo in the absence of a DFI Expert, but tests with a Venice 3000 have demonstrated that the max HTT is 274 (for some reason, ASRock have limited it) and no BIOS revision, even the OCW betas, changes that fact. So max clock is 2466 MHz come what may and that ain't good enough. Thus my 144 will sit in its box until the Expert becomes available.

[tatts]

Ah, but a 146 has a 200MHz head start... so really a 146 @ 3 G is the same gain as a 144 @ 2.8 G.

even if it was that simple, a 144 would have to do 2.7ghz stable on stock volts & i havnt seen any 144 do 2.6ghz stable on stock volts, even 2.5ghz is a struggle (not including the cabne 0528 & 0530)

[stone_cold_Jimi]

even if it was that simple, a 144 would have to do 2.7ghz stable on stock volts & i havnt seen any 144 do 2.6ghz stable on stock volts, even 2.5ghz is a struggle (not including the cabne 0528 & 0530)

Not even under phase-change cooling? My Vapo LS is waiting in the wings... this 144 better not be cold bugged.

[tatts]

no matter what cooling youre using, it wont effect your highest clock on stock volts
as for the cold bug, most ive seen have it so you best pray lol

[Garrett]

I'll post it here too:


It could be worse, agreed? :thumbsup:
Opteron 146 CAB2E 0540 FPMW on MSI K8N Neo2 Platinum

[Lastviking]

Some screens from me. This is the 2 best cpu i have of 3.

More to come.




And the best

[Jupiler]

It could be worse, agreed? :thumbsup:
Opteron 146 CAB2E 0540 FPMW on MSI K8N Neo2 Platinum

Garrett :

where did you get yours?
I've been searching for almost one week now, but it seems all 146 are sold out in germany.

[Garrett]

Garrett :

where did you get yours?
I've been searching for almost one week now, but it seems all 146 are sold out in germany.

I drove to Alternate (in Ridderkerk, Holland of course, you probably know it) and just bought one, they had only 6 left, I got this stepping and I feel lucky

Problem is... earlier you could order by phone and they'd give you a AUSxxxxxx number and then you could walk in and pick it up, you'd be out in 10 minutes, but they don't do that anymore.
Some people have to wait like 45 minutes in the shop before it's their turn, so some of them used their mobile phones to order stuff so they'd be ready in 10 minutes, so Alternate decided they don't hold them apart anymore
Customers in the shop go first now, they say

[mascaras]

so no one with a 144 CABNE 0540 BPMW to post results????

[SPivX]

so no one with a 144 CABNE 0540 BPMW to post results????

i had 3 of them, 2 RMA'd and 1 currently testing. It's SuperPI 32M stable @ 2430 @ 1.392v. Will try to push harder, but i don't think this thing will go much higher. I already tried to do a SPI run @ > 2500 MHz, but i need a lot more voltage.

Go for a CABYE 0540, they should still be available and chances are fairly high that you will hit 3GHz with good cooling.

[Lastviking]

This one is for Garret , Garret what cooling do you use?