EsoErik

Sunday, July 8, 2012

 

SX48P2-Deluxe & FirePro v8800 Watercooling



I like the Shuttle SX38/48 line of micro formfactor systems; they have the components and power of full tower systems and meet the requirements for carry-on luggage. Carry-on capability is crucial - only a fool would even dream of flying with a computer as checked baggage, and I fly a lot.

When I bought an SX38-P2 Pro system in 2007, I promised (promised!) myself that I would not try to water cool it.  It was tempting - a QX9650 cpu and a Radeon 4870 produce a lot of heat in small areas, making them tough to cool even in a full sized case.  In 2008, I took my SX38 to Norway for the summer.  Airconditioning is uncommon in Norway, and my cabin doesn't have it.  With 80+F ambient room temperatures, this system was passably stable only with its fans running at high speed.  Even then, producing intolerable noise, it hard locked once or twice a week.

By 2011, I'd upgraded to an SX48 Deluxe, QX9770, and FirePro v8800, and planned to stay in Norway for a while again.  So, I broke my oath and ordered water cooling components:


Swiftech Apogee XT Revision 2.  The mounting bracket for this didn't fit and, like most of the case, ended up being replaced with aluminum stock that I machined to fit with a Dremel and a file.


Black Ice GT Stealth 240Swiftech MCP655
Water Wetter - Note: I stopped using this.  Don't use water wetter in a loop that has any acrylic components!
FirePro v8800

EK nickel plated copper 5870 water block with acrylic top and backplate.  There are some board layout differences between the FirePro v8800 and Radeon 5870 reference design; fitting this waterblock required some hours of work with a Dremel.  Fortunately, I only had to take away and not add metal!
Koolance CHC-122 water block for the northbridge chipset
Tygon 2375 Ultra Chemical Resistant Tubing - 3/8" ID (5/8" OD), a ton of 3/8" barbs, rotary fittings, angle barbs, hose clamps, and other miscellany.

Thus began the hard part: fitting all of this into a tiny case.

Getting started.
Fitting everything took thinking, a trip to the hardware store, and a lot of time with the Dremel, a file, drill, and digital calipers.
 
The result of the first iteration
I decided I wanted USB3 ports and took the opportunity to refine the design a bit.
 The USB mini pci-e card didn't fit in the bottom of the case due to the bulky port header cable.  So, a more exotic solution was required.  The original faceplate got in the way of all of this, so I chopped it off and replaced it with more space-age bracketing.
 The second iteration
 Situated in my cabin in Norway
All told, this project required about 200 hours of work.  The vast majority of it was spent arduously milling parts to fine fits with hand tools.  I'm definitely going to buy a milling machine before I do my next build - something like this would take only a few hours with the proper equipment.  Nonetheless, it was fun to do it the hard way once.
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