Here's a prototype frame for the Onda D1800 motherboard:   |
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I've updated the OP for version number 3.
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I can order 10 for :
1180 boards
174 shipping
68 paypal fee
41 Alibaba ins fee
1463 so 147 a board to my house in New Jersey ,USA
so I mark it up to 155 plus shipping at cost to USA say 175 a board.
Any one want it? I need to get 10 . No rush to pay
which board is it youre referring to? the one that needs a cpu/sodimm and has 8 slots? i may be interested in one. To all...I will be offering an open air frame for this board and possibly an enclosed case (if there is enough interest). Please PM me if your are interested in either. |
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Is there any interest in a simple enclosure for the Onda D1800 motherboard?  Top removed:  Any comments/suggestions? |
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Great design - I've tried a couple locations around those Rosewell cases, but none I was really satisfied with. Love the idea of using the 80mm fans to help cool the PSU, and I'm assuming you're screwing into some of the spots on the bottom of the the PSU to hold it in place?
I'd love to see a shot of it without the PSU in it, so I could get an idea of attachment points, plus then look at my existing cases and see what the cable clearances are, etc. Overall I think it's an excellent solution for the problem - what are you thinking the cost will be?
 $25. The for sale thread is live. |
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For sale: A mounting bracket for a DPS2000BB server PSU (and a breakout board from http://www.price-technology.com). The bracket leverages the case's 80mm fans for cooling the PSU and mounting the bracket to the case itself. There is ~65mm of vertical height between the motherboard and the bottom of the bracket. $25 USD. PayPal only. Lead time is 2-3 business days. Shipping from Washington State, US.       |
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I've updated the design to get the GPUs mounted as low as possible, to where the bottoms of the GPU mounting brackets rest on the floor of the case. Risers are now bolted to some flat bar...  ...and then the entire sub-assembly is inserted into the inside slots of the bottom extrusions.   This latest version will start to ship next week now shipping. Previous models can be upgraded. |
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Also, I think a basic aluminum open cage-frame is needed to ensure that the CPU card doesn't move around.
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Did they include a mounting bracket for the CPU card? |
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I will try it with no molex.
Maybe I am wrong.
still dead.
whether or not molex in or out.
But since I know I put one molex in backwards yesterday and got a pop its dead.
I am mailing this off to spotswood he is going to design a case for it.
Here's a simple model of an open-air frame for the Onda motherboard:  I'm undecided if an enclosed case is really necessary for this board.  -Rich |
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Saw your youtube video. Quite impressive. Know where I could find a 19 GPU frame to be shipped to the U.S.? I've looked at ebay.com, but so far, the max they have is a frame for 14 GPUs. PM sent.  |
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I was wondering if there is any interest in a "server" case that is a bit wider than the 19-inch standard i.e. wider to have more room for GPUs, server PSUs, etc.?
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The one PSU mining tray is now on sale for $89 USD.  |
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Do you think its appropriate to use a standard ATX PSU for the Onda board or will a server PSU along w a pico be the recommendation? |
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First post has been updated with pics of the new version of the bracket that is easier to assemble.
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A new version that is a lot easier to assemble will be released early next week.
Please feel free to send me your requirements for "the ultimate mining server chassis". No snark here. I'm legitimately interested in improving whatever the "state of the art" mining chassis is.
-Rich
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what holds the break out board steady? could you photo the case form the outside showing the fans that would cool the cpu? tia An M3 bolt will pass through the breakout board and an unthreaded spacer into a threaded hole in the extrusion. Not much to see:  |
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Prototype mount for DPS2000BB server PSU (with breakout from http://www.price-technology.com). The bracket leverages the 80mm fans for cooling the PSU and mounting the bracket to the case.    There is ~65mm of vertical height from where the motherboard would be to the bottom of the mount. Comments? |
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