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Old 03-08-05, 08:13 AM   #169
Venturi
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Default Re: eVGA 6800U SLI on dual Opteron 250

I did not know that. I read the safety list on it and I definitly saw the toxicity warnings, but I did not see one about fumes or vapor.

Might you talking about the 3M solution in transformner drums? The stuff I'm refering too behaves and looks like clear mineral oil.

Either way - I would probably not do it for no other reason than I have to tweak and re-arrange stuff all the time - and a submerged system would not be condusive to the tweaker in me.

VENTURI
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Dual Opteron Dual Core 2222s (OC 3.17GHz)
ASUS KFN32-D SLI SAS (OC 1.1GHz HPT)
2 evga Superclocked 8800 GTX SLI (650-1550-2080 OC)
16GB Ram DDR-2 ecc reg
8 terabytes (8 x 1T drives)
ex8350 raid controller card
Dual Tagan 1100Watt Power Supplies (2200W)
Sony Blue Ray DVD Burner (Vrs 3)
Apple 30" Cinema LCD at 2560x1600 (version 2)
Windows Enterprise Server 2003 64-bit
Suse 10 64-bit, Vista 64-bit Ultimate
Stacker CM server case
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...& plenty of blue lights.
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Old 03-09-05, 08:11 PM   #170
kerey
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Default Re: eVGA 6800U SLI on dual Opteron 250

First I must say thank you, Venturi, for the vast amount of posts and information about this board. My work is looking into buying the best system available for the buck and based on your information in this form and others have successfully broken them out of the Xeon only hole. We deal with vast visual databases from creation and rendering, to display. While I am convinced, there are a few quick questions I have about your set up and operating system choice.

1) What power supply are you running and at what wattage? Also if you are running 2 supplies how do you have them arranged? From using a power supply calculator I estimated a draw of 690W if you max out the system, thoughts?

2) Windows has issues with allocating memory and recognizing excess RAM. Windows XP PRO has a limit of 4gigs of addressable RAM. Have you noticed any such issues with the server 2003. Win XP PRO also only allows a single process to hold 2gigs of RAM, or so my experience has lead me to believe. Again have you done anything that would require such large memory requirements and actually exploited these features?

3) Can the 7200 SATA Hard drives keep up with the paging or are 10k SATA Raptor drives a desired solution. Or suck it up and buy the SCSI drives? Looking for 300 gig to 1 terra.

The FX4400 card has a built in gen-locking capability and was interested if you had looked into multiple channel builds. Other cards can become gen-locked as we will be doing with the 6800 ultras in our design. End result will be 3 of these gen-locked systems driving a dome room 3 channel display. No doubt this will be an amazing display and I really appreciate your advice in the past and future, thanks again.

Kerey
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Old 03-09-05, 09:51 PM   #171
wheeljack12
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Default Re: eVGA 6800U SLI on dual Opteron 250

Freebrew, Venturi. Here are the links (i put some of this into another thread) for the Sata 2 hard drives I was talking about. Might be a nice and inexpensive way to cap off the performance on the only other pc to go past mine so far. In other words, that is one awesome kick *ss system. So, Venturi, you take the system to and from work then? Do you get brinks or some armored security for that thing? Venturi, a few people have asked about the power supply. What are you using specifically. You said earlier it was two supplies but what brand and wattage?

500 gb:
http://www.hitachigst.com/portal/sit...a0466460e4f0a0

250 and 160 gb:
http://www.hitachigst.com/portal/sit...a0466460e4f0a0

80 gb:
http://www.hitachigst.com/portal/sit...a0466460e4f0a0

if you can find my thread on sata 2 hard drives in the general hardware forum, it will tell you the details on how Hitachi sells these drives and how to get them to sata 2.
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Old 03-14-05, 11:59 PM   #172
Sunburst
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Thumbs up Re: eVGA 6800U SLI on dual Opteron 250

Thanks Venturi for your great info:

I've been researching in the past few weeks myself & happen to end up ordering the parts similar to your system. As I've been still trying to get more info on the actual performance of the dual Opteron 252 today (before the actual ordering tomorrow), I came across this post through Google - quite a coincidence !

The only differences are that I'll be using just 4 GB of RAM for now & the 6800 ultra SLI (x2). I'm saving for the dualcore coming out later in the year. Also, I couldn't find anybody here in Canada that sells the SATA II harddrives (for my RAID 1,0 setup) ...

I do know that AMD has announced the 8132 chipset:
http://www.amd.com/us-en/Processors/...82_873,00.html

Really hate it when they do that in this CeBIT season of the year ! But I have no better choice than the Tyan S2895 with the AMD 8131 for now since I'm "literally bleeding" everyday in work multitasking performance as long as the system is not setup ...

Thanks again !

Sunburst.
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Old 03-15-05, 09:16 AM   #173
Venturi
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Default Re: eVGA 6800U SLI on dual Opteron 250

THX wheeljack12 I'm going to try thhe SATA 2 route.

I found the post by the way -THX

V
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Dual Opteron Dual Core 2222s (OC 3.17GHz)
ASUS KFN32-D SLI SAS (OC 1.1GHz HPT)
2 evga Superclocked 8800 GTX SLI (650-1550-2080 OC)
16GB Ram DDR-2 ecc reg
8 terabytes (8 x 1T drives)
ex8350 raid controller card
Dual Tagan 1100Watt Power Supplies (2200W)
Sony Blue Ray DVD Burner (Vrs 3)
Apple 30" Cinema LCD at 2560x1600 (version 2)
Windows Enterprise Server 2003 64-bit
Suse 10 64-bit, Vista 64-bit Ultimate
Stacker CM server case
Deck Legend Keyboard
...& plenty of blue lights.
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Old 03-23-05, 04:25 AM   #174
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Default Re: eVGA 6800U SLI on dual Opteron 250

Quote:
Originally Posted by Venturi
Yes, you are correct, but right now I'm content using a can of compressed air once in a while to dust it. Despite all the fans, it is almost inaudible in the room. Most of the fans are throttled down. While no one fan is spinning fast, the overall effect of all those fans is good airflow without much noise.

Yes, I have thought about watercooling. But I would do it differently. I would get a 5gal drum of 3M electrically innert fluid, modify one of those hexagonal glass fishtanks, add some blue lights, and completely submerge the PC... but that's if you want to do it right.

Throw in a couple of those plastic fish for looks and "WHAM" you're there...
Venturi
Be very careful with that inert 3m fluid. It is not compatible with all plastics. Some plastics will just start breaking up and disintegrating. It’s definitely is not compatibility most commercial plastic water blocks available on the market . One big factor. It is not very efficient. It does not cool as well as water. Water conducts the heat with more efficiency. I have had the unfortunate experience and found water to work with a 16 degree difference less heat at cpu . Try it on a small scale first with out spending too much money. You may fined water to be much more efficient
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Old 03-27-05, 02:59 AM   #175
Raje
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Default Re: eVGA 6800U SLI on dual Opteron 250

Quote:
Originally Posted by Venturi
Cpu 0 runs at 94. CPU 1 runs at 89. Room temp is 73


they are the alcu 92mmm.

I have a pair of all CU 92mmm, but I thought they were rather heavy.

I was using the silent 8 from Thermaltake. It ran av 3c warmer than the zelman.

I let the motherboard control the fan speed


Venturi
First off: Awesome system!

I'm building a system based on this board in the near future. I might wait for the Dual Core Opterons though. Hopefully those will be released sooner than later.

I have a few questions:

1. Does the board have room for Zalman's CNPS7700-AlCu? Is it even necessary to have a larger cooler? (from your posts thus far it doesn't seem like anything more than the 7000 is needed)

2. I'm still up in the air about what memory to use. I thought I had made up my mind with OCZ's Enhanced Latency Series Dual Channel Kit 184 Pin 1GB(512MBx2) ECC DDR400 modules with 2-2-3-6 timings, but with 8 DIMM slots on the board I could only get 4GB of memory with that setup. Who makes 1GB memory modules that have nice timings like the OCZ modules? Or do I have to sacrifice latency for memory capacity?

Thanks for everyone's input in advance.
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Old 03-27-05, 03:54 PM   #176
Venturi
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Default Re: eVGA 6800U SLI on dual Opteron 250

I don't think you can fit the larger 7700 hatsinks on the board. I'm using the 92mm fan version and I think 1 more millimiter would make it tight.

'2nd - you will not be able to add/remove memory, video cards or anything as long as the larger fans are mounted since the 7000s barely allow enough room as it is. They are perfect at the current size, it seems impossible to get bigger. Next: there is no need to go any bigger -system is running quite cool.


Mem timings. It is difficult to find agressive memory timings and size in the current market offerings. I opted with 16GB of ram with the fatest I couldfind. It will overclock to 282mhz (from 200) so I can't complain.. I am trying not to oveclock untill all the driver issues are resolved.
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Dual Opteron Dual Core 2222s (OC 3.17GHz)
ASUS KFN32-D SLI SAS (OC 1.1GHz HPT)
2 evga Superclocked 8800 GTX SLI (650-1550-2080 OC)
16GB Ram DDR-2 ecc reg
8 terabytes (8 x 1T drives)
ex8350 raid controller card
Dual Tagan 1100Watt Power Supplies (2200W)
Sony Blue Ray DVD Burner (Vrs 3)
Apple 30" Cinema LCD at 2560x1600 (version 2)
Windows Enterprise Server 2003 64-bit
Suse 10 64-bit, Vista 64-bit Ultimate
Stacker CM server case
Deck Legend Keyboard
...& plenty of blue lights.
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Old 03-27-05, 10:23 PM   #177
Raje
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Default Re: eVGA 6800U SLI on dual Opteron 250

I appreciate the info.
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300GB Maxtor SATA150 16MB cache HDD (x2); EVGA Nvidia GeForce 8800GTX; NEC DL DVD 3540A; Dell 2405FPW; PCPower&Cooling Turbo-Cool 850 SSI


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Old 03-27-05, 10:31 PM   #178
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Default Re: eVGA 6800U SLI on dual Opteron 250

Quote:
Originally Posted by Venturi
I don't think you can fit the larger 7700 hatsinks on the board. I'm using the 92mm fan version and I think 1 more millimiter would make it tight.

'2nd - you will not be able to add/remove memory, video cards or anything as long as the larger fans are mounted since the 7000s barely allow enough room as it is. They are perfect at the current size, it seems impossible to get bigger. Next: there is no need to go any bigger -system is running quite cool.


Mem timings. It is difficult to find agressive memory timings and size in the current market offerings. I opted with 16GB of ram with the fatest I couldfind. It will overclock to 282mhz (from 200) so I can't complain.. I am trying not to oveclock untill all the driver issues are resolved.
Wow, you can OC your RAM that high? Man...the system you have just makes my head spin. You're a hero to us all.
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