Well, I think that I finally (sorta) fixed my dual Opteron. The only problem now is the new mobo I got, CPU1 DIMMS1 and 2 (or some combination thereof) is dead. (It causes the system to spontaneously reboot shortly after POSTing.)

So, right now I am running the system using CPU0 DIMMS 3-4, and CPU1 DIMMS 3-4 and it seems to be okay for now. HIGHLY NOT recommended according to the Tyan website and manual, but oh well (for now). Have to RMA the board.

The good news is that it eliminates all thermal suspected problems, and dead CPU memory controllers.

It still does not explain, however, the mode of failure for the old S2875 board. I'm still suspecting an electrical fault on the AGP slot.

Anyways, I have been able to get some tests on the it, although I haven't ran the full suite of benchmarks on the system yet as it has been quite busy with work related stuff.

Here are the updated results though.



There is really no change in the MFLOPs benchmark. It is SLIGHTLY higher (by about 0.7%) possibly due to the additional 4 DIMMS and that it doesn't have to route the memory requests/IOs through CPU0 now. Still right around where I would expect it to be given that it's the same processors.

Another note is that the new board supports dual-core processors, so I MIGHT be moving to that. I don't know. I'm still very tempted to migrate to the S2915 instead.

The only downside is that I won't be able to use my Realizm 200 anymore, which means that I would have to migrate that to at least the Realizm 500 which is an additional cost. I guess that I could probably sell the system off to one of my friends who is now looking into possibly getting into the 64-bit arena.



This is where I saw the biggest improvement. Where before, I was seeing it coming up to about 86% of the theorectical maximum for PC3200 RAM (limiting at around 2.65-2.8 GB/s), I am now getting much higher than that.

That's using the Kingston KVR400D8R3AK2/1G (4x512). I would have settled with like say just a tad shy of 4 GB/s (didn't think that it would end up being THAT fast), but sure, I'd go with 10 GB/s. (That's about 21.875% short of the maximum theorectical limit.)

Not too shabby eh? That's one of the main reasons why workstation boards are what they are I suppose.

(Will be following up with the rest of the benchmark results).

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Is there any chance it's the PSU or Ram?

Have you tried another PSU, or let it loop Mem test?

Quote: Originally Posted by $SOLID$ Necro Is there any chance it's the PSU or Ram? Have you tried another PSU, or let it loop Mem test?

No. But get this;

there are a total of 8 DIMM slots (4 per CPU).

I have my old 1 GB sticks and also my new 4x512.

Started out with the standard procedure by occupying DIMMS CPU0 DIMMA1 and 2, CPU1 DIMMA2 and 2. Failed.

I think after permutating through that for a while, I ended up occupying only CPU0DIMMA1 and CPU1DIMMA1. Failed.

Then I was reading the manual and it says that I can make it re-route the memory requests if I occupy CPU0DIMMA1 and 2 ONLY. So I did that, and got the system working, booted up, and the OS installed.

Went back to trying the original configuration; that didn't work. So went with the unconventional CPU0DIMMB1 and 2 and CPU1DIMMB1 and 2; and that worked as well.

Took about a total of 18 hours to figure that one out with the permutations trying to boot up my old install of the OS that was on the drives already, and between that and trying to figure out whether it was a memory problem or a CPU memory controller problem (which can only be caused by a overheating).

I don't think that it's a power supply or memory problem because as I've mentioned before; it doesn't make any sense why a "lower" level graphics card (VP970) would have the video signal cut out after 2 minutes, meanwhile running the higher power Realizm 200; I can run it overnight provided that the temperature was low enough???

Regardless, here are the rest of the benchmark results.



It's included here more so for completeness rather than anything else. The discussion of the significance of the scores relative to actual system performance under (almost) any scenario is long past; and it's the same discussion over and over again. Take it for what it's worth.



SPECViewperf 8.1

Quote: Run All Summary ---------- SUM_RESULTS\3DSMAX\SUMMARY.TXT 3dsmax-03 Weighted Geometric Mean = 38.27 ---------- SUM_RESULTS\CATIA\SUMMARY.TXT catia-01 Weighted Geometric Mean = 23.94 ---------- SUM_RESULTS\ENSIGHT\SUMMARY.TXT ensight-01 Weighted Geometric Mean = 20.12 ---------- SUM_RESULTS\LIGHT\SUMMARY.TXT light-07 Weighted Geometric Mean = 16.20 ---------- SUM_RESULTS\MAYA\SUMMARY.TXT maya-01 Weighted Geometric Mean = 52.30 ---------- SUM_RESULTS\PROE\SUMMARY.TXT proe-03 Weighted Geometric Mean = 42.45 ---------- SUM_RESULTS\SW\SUMMARY.TXT sw-01 Weighted Geometric Mean = 25.14 ---------- SUM_RESULTS\UGS\SUMMARY.TXT ugs-04 Weighted Geometric Mean = 25.71

Cinebench2003

Quote: Rendering (Single CPU): 277 CB-CPU Rendering (Multiple CPU): 508 CB-CPU Multiprocessor Speedup: 1.84 Shading (CINEMA 4D) : 320 CB-GFX Shading (OpenGL Software Lighting) : 1449 CB-GFX Shading (OpenGL Hardware Lighting) : 2762 CB-GFX OpenGL Speedup: 8.62

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The effect of SP2


The screenshot above is the same version of SiSoft's Sandra memory benchmark running on Windows XP Pro.

All other screenshots previous to that were running on Windows XP Pro with SP2.

As you can see, (at least with the memory benchmark); the difference is HUGE!

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Why do you post your results in this thread but have the Hwbot on another site?
Like wtf?
1. alpha754293 (Overclockers-Anonymous) - 77538.00 - Opteron 870@2.0 GHz

Quote: Originally Posted by killert Why do you post your results in this thread but have the Hwbot on another site? Like wtf? 1. alpha754293 (Overclockers-Anonymous) - 77538.00 - Opteron 870@2.0 GHz

ROFL..he got into a pissing match with BA a while back, so he took his toys and left...

To quote Cartman "Screw you guys, I'm going home"

He says he will repost the here "Eventually" but has not gotten around to it yet

Quote: Originally Posted by $SOLID$ Necro ROFL..he got into a pissing match with BA a while back, so he took his toys and left... To quote Cartman "Screw you guys, I'm going home" He says he will repost the here "Eventually" but has not gotten around to it yet

Okay, That explains it.