Opteron 170 CBBWE 0550UPMW

[[O-CuK]MCRacer]

I have two Opteron 170s. I have a 0550 VPMW and also a 0550 UPMW. Both steppings are reported to be good clockers.

I got the VPMW first and right out of the box I managed to get it running at 2.8GHz (SPD timings for RAM) at a Vcore of 1.44v on the stock AMD HSF that comes in the box. This chip is F@H stable on both cores as well as stable for COD2 and FEAR.

I tried to run the VPMW under my Mach II GT but it wouldnt clock past 2.4GHz or 240HTT. So it has the cold bug

I bought the UPMW as I wanted to get hold of a chip that didnt have the cold bug.

Anyway I threw the chip in my rig under the stock AMD HSF and I couldnt get it past 2.4GHz for love nor money, and it wouldnt even boot to Win XP past 2.5GHz... I initially assumed it was a poor chip within the batch.

But then I started reading this thread and it was comments made by mag|c on Data and Drive strength that caught my eye. I read about his testing and I decided I had nothing to lose and tried his 5/1 recommendations..

WOW what a difference this made. Basically it cured all my stability issues and the UPMW now runs at exactly the same settings (2.8GHz) as the VPMW and is 24/7 stable for F@H and plays COD2 and FEAR not problems...

So a big thanks to mag|c for making his posts and let others know that it is worth fiddling about as even if you think you have taken the ram out of the equation to find max overclock by using a divider, it is not always the case. My ram runs 280FSB without any tweaking of the ram settings under the VPMW. My UPMW wont go past 2.4GHz on SPD settings even using a ram divider... But change the Data and Drive settings and BANG, problems solved, its like the chip has been given a new overclocking ceiling.

Cheers mag|c

[eva2000]

so how did the UPMW handle mach2 compared to VPMW ?

[s7e9h3n]

I bought the UPMW as I wanted to get hold of a chip that didnt have the cold bug.

I'm curious as why people all of a sudden are looking at the date code stepping info now for cold-bug traits. There is NOTHING that can be concluded from that those four letters following the pack date of the cpu This is all the info that this part of the stepping is able to tell you:



Please look here if you want a general idea of what cpu's have/don't have a bug: http://www.xtremesystems.org/forums/...ad.php?t=87182

[[O-CuK]MCRacer]

I'm curious as why people all of a sudden are looking at the date code stepping info now for cold-bug traits. There is NOTHING that can be concluded from that those four letters following the pack date of the cpu This is all the info that this part of the stepping is able to tell you:



Please look here if you want a general idea of what cpu's have/don't have a bug: http://www.xtremesystems.org/forums/...ad.php?t=87182

Just to clarify, I just ordered another 170, I never ordered a particular stepping... It just happend to be luck that I got sent a UPMW...

And no I havent tried it under the Mach II yet, I will do that once I have some more seal string.

[Dumo]

I tried to run the VPMW under my Mach II GT but it wouldnt clock past 2.4GHz or 240HTT. So it has the cold bug |c

Run it with MPS Multiprocessor. It will give you an xtra heat load @ minus temp.

[nealh]

I have two Opteron 170s. I have a 0550 VPMW and also a 0550 UPMW. Both steppings are reported to be good clockers.

I got the VPMW first and right out of the box I managed to get it running at 2.8GHz (SPD timings for RAM) at a Vcore of 1.44v on the stock AMD HSF that comes in the box. This chip is F@H stable on both cores as well as stable for COD2 and FEAR.

I tried to run the VPMW under my Mach II GT but it wouldnt clock past 2.4GHz or 240HTT. So it has the cold bug

I bought the UPMW as I wanted to get hold of a chip that didnt have the cold bug.

Anyway I threw the chip in my rig under the stock AMD HSF and I couldnt get it past 2.4GHz for love nor money, and it wouldnt even boot to Win XP past 2.5GHz... I initially assumed it was a poor chip within the batch.

But then I started reading this thread and it was comments made by mag|c on Data and Drive strength that caught my eye. I read about his testing and I decided I had nothing to lose and tried his 5/1 recommendations..

WOW what a difference this made. Basically it cured all my stability issues and the UPMW now runs at exactly the same settings (2.8GHz) as the VPMW and is 24/7 stable for F@H and plays COD2 and FEAR not problems...

So a big thanks to mag|c for making his posts and let others know that it is worth fiddling about as even if you think you have taken the ram out of the equation to find max overclock by using a divider, it is not always the case. My ram runs 280FSB without any tweaking of the ram settings under the VPMW. My UPMW wont go past 2.4GHz on SPD settings even using a ram divider... But change the Data and Drive settings and BANG, problems solved, its like the chip has been given a new overclocking ceiling.

Cheers mag|c

it seems the memory controller can be pain in the rump...curious given you loosened your timings..is mhz speed the same?..do you see any difference if feel of the system with the looser timings..I found when loosened my system was as fast or faster

[-.-PhanTom-.-]

I have two Opteron 170s. I have a 0550 VPMW and also a 0550 UPMW. Both steppings are reported to be good clockers.

I got the VPMW first and right out of the box I managed to get it running at 2.8GHz (SPD timings for RAM) at a Vcore of 1.44v on the stock AMD HSF that comes in the box. This chip is F@H stable on both cores as well as stable for COD2 and FEAR.

I tried to run the VPMW under my Mach II GT but it wouldnt clock past 2.4GHz or 240HTT. So it has the cold bug

I bought the UPMW as I wanted to get hold of a chip that didnt have the cold bug.

Anyway I threw the chip in my rig under the stock AMD HSF and I couldnt get it past 2.4GHz for love nor money, and it wouldnt even boot to Win XP past 2.5GHz... I initially assumed it was a poor chip within the batch.

But then I started reading this thread and it was comments made by mag|c on Data and Drive strength that caught my eye. I read about his testing and I decided I had nothing to lose and tried his 5/1 recommendations..

WOW what a difference this made. Basically it cured all my stability issues and the UPMW now runs at exactly the same settings (2.8GHz) as the VPMW and is 24/7 stable for F@H and plays COD2 and FEAR not problems...

So a big thanks to mag|c for making his posts and let others know that it is worth fiddling about as even if you think you have taken the ram out of the equation to find max overclock by using a divider, it is not always the case. My ram runs 280FSB without any tweaking of the ram settings under the VPMW. My UPMW wont go past 2.4GHz on SPD settings even using a ram divider... But change the Data and Drive settings and BANG, problems solved, its like the chip has been given a new overclocking ceiling.

Cheers mag|c

Curious, how how voltage are you giving your memory? and which other timings are you usiong besides 5/1 ..
I can't get mine errorfree over 270.
My CPU seems to hit a wall at around 2800 ...need more and more vcore to keep core0 from failing...can that really be because of RAM/memory controller?

[[O-CuK]MCRacer]

Curious, how how voltage are you giving your memory? and which other timings are you usiong besides 5/1 ..
I can't get mine errorfree over 270.
My CPU seems to hit a wall at around 2800 ...need more and more vcore to keep core0 from failing...can that really be because of RAM/memory controller?

I have only tried 5/1 so far.

I am runnig 1.44v Vcore and 2.8v Vdimm. Ram is 2Gb Corsair TwinX PC4000 running at 3-4-4-10 when FSB >250 and 3-3-3-8 when FSB <250.

[tHe_jOkeR]

I have only tried 5/1 so far.

I am runnig 1.44v Vcore and 2.8v Vdimm. Ram is 2Gb Corsair TwinX PC4000 running at 3-4-4-10 when FSB >250 and 3-3-3-8 when FSB <250.

how much is the max on your rams and what chips are this? UCCC?

[nealh]

how much is the max on your rams and what chips are this? UCCC?

have you tested your 170 upmw..what substrate number?

[tHe_jOkeR]

have you tested your 170 upmw..what substrate number?

cant test, boxed cooler
next month watercooling, u mean 434L <---this?

[nealh]

cant test, boxed cooler
next month watercooling, u mean 434L <---this?

yes..just looking for more info on those chips