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Old March 11, 2010, 01:10 AM
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Default Another Quad Quad

I am new to this forum. I found it looking for builds with the Tyan quad socket mobo I bought. There are two other builds on this forum with deviations of this motherboard.
CMetaphor : http://www.hardwarecanucks.com/forum...tml#post253101 (Tyan S4995G3NR-SI)
Dead Things : http://www.hardwarecanucks.com/forum...tml#post303474 (TYAN S4985G3NR-E)

The build so far is for the purpose of building a headless web server. I was going to build an top of the line AM3 machine, but this seemed to be the more fun, and more badass option. I am planning on making my own custom clear case for this rare form factor.

Mobo
TYAN S4985G3NR Thunder n4250QE ($299)
Newegg.com - TYAN S4985G3NR Thunder n4250QE Quad 1207(F) NVIDIA nForce4 Professional 2200 + 2050 SSI MEB footprint Four AMD Opteron (Rev. F) 8000 series (dual/quad-core) processors Server Motherboard - Server Motherboa

Heatsinks
CoolerMaster Hyper TX3 (4 x $20)
Newegg.com - Cooler Master Intel Core i5 compatible Hyper TX3 Socket 775/1156/AMD 130W 92mm "heatpipe direct contact" CPU Cooler RR-910-HTX3-G1 - CPU Fans & Heatsinks

PSU
COOLMAX ZP-1000B 1000W ($70 on sale)
Newegg.com - COOLMAX ZP-1000B 1000W ATX 12V V2.3 / EPS 12V V2.92 80 PLUS BRONZE Certified Modular Active PFC Power Supply - Power Supplies

RAM
Kingston 2GB DDR2 667 ECC KVR (8 x $58)
Newegg.com - Kingston ValueRAM 2GB 240-Pin DDR2 SDRAM ECC Registered DDR2 667 (PC2 5300) Server Memory Model KVR667D2D8P5/2G - Server Memory

Hard Drives
Seagate 7200rpm 1TB (3 x $85)
Newegg.com - Seagate Barracuda 7200.12 ST31000528AS 1TB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive
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Last edited by whited; June 16, 2010 at 09:16 AM.
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Old March 11, 2010, 01:17 AM
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Heatsink Mounting
I honestly didn't know how I would mount the heatsinks. It was a big deal for me. I first had to create a motherboard tray, and then figure out how the heatsink mounted. There are not a lot of 1207 heatsinks, and I just bought the Hyper TX3 because Dead Things did. Luckily the mobo comes with backing plates with mounts, and adapters to k6 style heatsinks. Thanks DT!

Molex to 4pin EPS
The PSU has 8pin EPS and a 4 + 4 pin EPS. So, I only had to make one more 4pin. I bought both a 4 pin extension, and a molex to 8pin eps. The 8pin eps did not fit on the 4pin of the motherboard, because the four left over pin hit a capacitor. I went to radio shack and they had a four pin similar to the molex connector. Only that theirs had the two angles cut off one side instead of the top. I bought it thinking I could use the pins in the plastic from the 8pin adapter. Problem was the pins where also of a different size. So I just cut the two apart and soldered the them into one (picture not shown).
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Last edited by whited; March 11, 2010 at 09:14 AM.
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Old March 11, 2010, 01:23 AM
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2nd Shipment:

Case Fans
Silverstone 180mm fans (3 x $24)
Newegg.com - SILVERSTONE FN181-BL 180mm Blue LED Case Fan - Case Fans

3rd Shipment:

CPUs
Opteron 8356 2.3ghz quad core (4 x $62)
AMD OPTERON 8356, 2.3GHZ QUAD CORE CPU OS8356WAL4BGH - eBay (item 110501313688 end time Mar-31-10 11:09:38 PDT)

I also picked up some possible fan filters material.
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Last edited by whited; March 11, 2010 at 01:53 AM.
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Old March 11, 2010, 01:28 AM
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This is the beginning of my motherboard tray. I picked up all the hardware in these pictures at lowes.

The screws are 8-32 which are 0.16" the exact size of the mounting holes for the motherboard. The washers used are about 1" and have an inner diameter of 0.16". I use two on both sides of the acrylic to stiffen the mount. The nylon spacers are .5", and provide a level surface once tightened.

Posts
For posts I used 8-32 x 1.5". I ground each with 14 gauge wire soldered and crimped to screw posts. The inner nut is about .33" or 9mm, the outer is .27" or 7mm.

CPU Backplate
For the back plate mounts I used 8-32 x 1". I drilled and tapped the cpu back plates provided with the motherboard. I was able to get about 2-3 threads in each hole. I had to add a .03" washer to the motherboard side, and a .04" washer behind the acrylic. This made the backplate .003" higher than the posts, and the screws recessed in the back plate. I added electrical tape above the screws to prevent shorting. I am hoping that this mounting will relieve any stress the heat sinks could have placed on the motherboard.

Notes
  1. With such a scheme it is easy to adjust alignment by drilling a larger hole in the tray.
  2. You can leave mounts lose until the motherboard is seated.
  3. Use new sharp drill bits when drilling acrylic to prevent cracking.
  4. Use a drill press if you have one. (I don't )
  5. If you scratch the acrylic, gently heat it up with a blow torch. Practice first! (I managed to create a 5" scratch on my last hole.)
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Last edited by whited; March 11, 2010 at 09:09 AM.
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Old March 11, 2010, 01:34 AM
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I plugged everything together booted it up and started running memtest. I only have a 7 day DOA on the CPUs, so I want to make sure they are good. I mounted my rear two cpu heatsink fans as exhaust instead of the side by side intake. I plan on having one of the 180mm right above that gap. After running this for a while the bridges started to get hot, and I moved the fans around. It makes me want to get aftermarket bridge heatsinks.

The last picture is a concept for the case. I dont know if I like it, I might start over.

Notes
  1. When mounting the heatsinks, use a flat head on one of the extra mounting holes to relieve the torque stress on the single joint.
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Last edited by whited; March 11, 2010 at 09:25 AM.
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Old March 11, 2010, 02:16 AM
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Looks great!

So 16 physical cores for $250? Pretty cool!
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Old March 11, 2010, 06:43 AM
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Damn! I think I've started a trend... lol. Thats what, 4 or 5 quad/quad systems built since I did Behemoth the first time? hehe. It's freakin awesome!

Well done whited! We look forward to see more pics and performance numbers! It will especially interesting to see your numbers compared to Dead_things', since they both should be about the same given they use the same CPUs.
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Old March 11, 2010, 09:04 AM
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Quote:
Originally Posted by sswilson View Post
Looks great!

So 16 physical cores for $250? Pretty cool!
Yeah not bad. It seems like this sellers has hundreds of these. The packing was poor; no anti-static bag, and one layer of bubble wrap. Also there is only a 7 day DOA warranty. But you can't beat the price. If one CPU fails, who cares. Just buy another.

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eBay My World - sfgreenworld
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Old March 11, 2010, 09:27 AM
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I was wondering why I didn't see his auctions when I logged into myebay - it seems he's only shipping to the united states now?

Pictures look good, cept for the gun in the middle of them. No need for childish stuff like that.
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Old March 11, 2010, 10:00 AM
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Quote:
Originally Posted by Rison View Post
cept for the gun in the middle of them. No need for childish stuff like that.
I would never get this project done if I had to move guns every time I took a picture. Just have to many of them laying around the house. And yes I walk around carrying, I live in philly. Last year there was about one murder a month on my street block.

Last edited by whited; March 11, 2010 at 10:48 AM.
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