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Author Topic: Mining rig extraordinaire - the Trenton BPX6806 18-slot PCIe backplane [PICS]  (Read 155625 times)
rjk
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February 27, 2012, 05:42:43 AM
 #101

Yeah, the board is basically perfect for mass mining... also, it doesn't really matter if two or three of the slots are blocked, you can only use 16 slots (ie, 8 cards) without fucking with virtualization, the last two are wasted anyways.
Yeah, except for the price - oh the price. If I can't get more dense than 16 GPUs or greater, I am going to be pissed. That's why I have been looking into the virtualization. I have yet to hear from anyone who has attempted virtualization with more than 1 card (or even more than 8).

Mining Rig Extraordinaire - the Trenton BPX6806 18-slot PCIe backplane [PICS] Dead project is dead, all hail the coming of the mighty ASIC!
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February 27, 2012, 05:49:29 AM
 #102

 Retarded design. Who will install so much cards and without any space between them.

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February 27, 2012, 05:50:50 AM
 #103

Retarded design. Who will install so much cards and without any space between them.

Because thats meant for 10/40/100gbit cards, which are one slot wide. I'm laughing because you actually thought it was meant for video cards.

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February 27, 2012, 05:53:17 AM
 #104

Retarded design. Who will install so much cards and without any space between them.

Because thats meant for 10/40/100gbit cards, which are one slot wide. I'm laughing because you actually thought it was meant for video cards.
Well, yes. lol.

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February 27, 2012, 05:57:08 AM
 #105

Retarded design. Who will install so much cards and without any space between them.
...because I won't? The pic with 7x 5870s so close together was just a 24 hour trial run. Here is the frame I hope to obtain for this rig:



Anyways, for ultimate density I'd want to watercool 18x 5970s. Damn that would be epic. With proper waterblocks, they could all fit in a 4 U rack case, except for the hoses and shit.

Mining Rig Extraordinaire - the Trenton BPX6806 18-slot PCIe backplane [PICS] Dead project is dead, all hail the coming of the mighty ASIC!
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February 27, 2012, 06:00:38 AM
 #106

Retarded design. Who will install so much cards and without any space between them.
...because I won't? The pic with 7x 5870s so close together was just a 24 hour trial run. Here is the frame I hope to obtain for this rig:



Anyways, for ultimate density I'd want to watercool 18x 5970s. Damn that would be epic. With proper waterblocks, they could all fit in a 4 U rack case, except for the hoses and shit.
Its very inefficient imo. You cant overclock them good enough with so little space between them - wasted mhashes/$, unless you have some advanced cooling system for this monster. These shitty fans is not enough. And how much psu's it will need?

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February 27, 2012, 06:02:07 AM
 #107

watercooling them beasts will set you back couple thousand of $, lol.


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rjk
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1ngldh


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February 27, 2012, 06:04:37 AM
 #108

Its very inefficient imo. You cant overclock them good enough with so little space between them - wasted mhashes/$, unless you have some advanced cooling system for this monster. These shitty fans is not enough. And how much psu's it will need?
Plenty of space. I allowed 1.5 slot spaces (about 1 inch) for each card. Have you ever heard of Delta fans? About 100 decibels each, but they will provide all the cooling anyone could ever hope for  in a 120mm package.

Mining Rig Extraordinaire - the Trenton BPX6806 18-slot PCIe backplane [PICS] Dead project is dead, all hail the coming of the mighty ASIC!
BCMan
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February 27, 2012, 06:18:43 AM
 #109

Its very inefficient imo. You cant overclock them good enough with so little space between them - wasted mhashes/$, unless you have some advanced cooling system for this monster. These shitty fans is not enough. And how much psu's it will need?
Plenty of space. I allowed 1.5 slot spaces (about 1 inch) for each card. Have you ever heard of Delta fans? About 100 decibels each, but they will provide all the cooling anyone could ever hope for  in a 120mm package.
And how are you going to overcome the limitation of number of gpus per one system? Whats the total cost? When do you plan to run it? Interesting to see this thing in action with temp stats vs clocks and mhash/$ efficiency.

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1ngldh


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February 27, 2012, 06:21:36 AM
 #110

Its very inefficient imo. You cant overclock them good enough with so little space between them - wasted mhashes/$, unless you have some advanced cooling system for this monster. These shitty fans is not enough. And how much psu's it will need?
Plenty of space. I allowed 1.5 slot spaces (about 1 inch) for each card. Have you ever heard of Delta fans? About 100 decibels each, but they will provide all the cooling anyone could ever hope for  in a 120mm package.
And how are you going to overcome the limitation of number of gpus per one system? Whats the total cost? When do you plan to run it? Interesting to see this thing in action with temp stats vs clocks and mhash/$ efficiency.
Try reading the thread. Lots of salient information. Virtualization is only one factor in this complicated endeavor.

Mining Rig Extraordinaire - the Trenton BPX6806 18-slot PCIe backplane [PICS] Dead project is dead, all hail the coming of the mighty ASIC!
DiabloD3
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February 27, 2012, 06:24:17 AM
 #111

Retarded design. Who will install so much cards and without any space between them.

Because thats meant for 10/40/100gbit cards, which are one slot wide. I'm laughing because you actually thought it was meant for video cards.
Well, yes. lol. Anyway whats the point in so much lan cards?

Cheap DDOS mitigation and firewall box sitting between the core router and certain customers in a DC. No one is really selling a ready made box for this task, even high end Cisco routing fabric boxes aren't suited for deep packet inspection. Although, if I was actually making a box like this, I'd use a bunch of Freescale QorIQ T4* series chips and use their own fabric provide everything and shove it in a 2U box.

*The P4 chips, the octocore 1.5ghz 64bit PPC predecessor of the T4, have 2 10gbit NICs and 8 1gbit NICs, hardware DSPs/ASICs dedicated to deep packet inspection acceleration, and a routing fabric that can be used to build a communications bus between multiple SoCs; so you could easily build a box with 4 of these and be able to handle DDOS mitigation for something like 80 gbit of incoming traffic, front ending 32 1gbit client boxes (which themselves can be maxing out at 64 gbit full duplex) without blinking.

That would also be about a $10k box if mass produced and sold retail.

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February 28, 2012, 10:16:44 AM
 #112

watercooling them beasts will set you back couple thousand of $, lol.
How about oil-cooling (i.e. submerging the whole thing in a tank of mineral oil)?
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February 28, 2012, 10:41:58 AM
 #113

watercooling them beasts will set you back couple thousand of $, lol.
How about oil-cooling (i.e. submerging the whole thing in a tank of mineral oil)?

No. That is a gimmick and not 24/7 recommended. Heck its not even 2 hour recommended. Without something to swiftly move all the oil quickly across hotspots, it'll just overheat. Plus, all the oil will just soak up heat. It won't dissipate it. Thats what radiators are for in water cooling.

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February 28, 2012, 11:55:57 AM
 #114

watercooling them beasts will set you back couple thousand of $, lol.
How about oil-cooling (i.e. submerging the whole thing in a tank of mineral oil)?

No. That is a gimmick and not 24/7 recommended. Heck its not even 2 hour recommended. Without something to swiftly move all the oil quickly across hotspots, it'll just overheat. Plus, all the oil will just soak up heat. It won't dissipate it. Thats what radiators are for in water cooling.

Well the point is there would still be pumps and radiator.  Using oil just eliminates the $100+ waterblocks for each GPU which is the bulk of the cost for any watercooling.  Not that I am endorsing oil cooling, the mess, the complications with troubleshooting, the warranty issues, and the loss of any resale value make it a non starter.
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February 28, 2012, 01:57:07 PM
 #115

If you can get the system working we have some interesting numbers.

16 x 5970 @ 390 MH/s per GPU = 12480 MH/s
At the current difficulty and at a value of $4.8 per BTC would see break even in less than 6 months.
This includes $1200 for the system build and $400 per 5970.

16 X 7990 @ 600 MH/s per GPU = 19200 MH/s
At the current difficulty and at a value of $4.8 per BTC would see break even in 7 months.
This includes $1200 for the system build and $849 per 7990

It would be nice if it can be hashing before the halving.

For Bitcoin to be a true global currency the value of BTC needs always to rise.
If BTC became the global currency & money supply = 100 Trillion then ⊅1.00 BTC = $4,761,904.76.
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February 28, 2012, 01:58:41 PM
 #116

If you can get the system working we have some interesting numbers.

16 x 5970 @ 390 MH/s per GPU = 12480 MH/s
At the current difficulty and at a value of $4.8 per BTC would see break even in less than 6 months.
This includes $1200 for the system build and $400 per 5970.

16 X 7990 @ 600 MH/s per GPU = 19200 MH/s
At the current difficulty and at a value of $4.8 per BTC would see break even in 7 months.
This includes $1200 for the system build and $849 per 7990

It would be nice if it can be hashing before the halving.

Except you cant buy 5970s, and 7990s will be dropping in about 6 months.... so buy the 5970s now, sell them, and replace them with 7990s Wink

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February 28, 2012, 02:50:14 PM
 #117

If you can get the system working we have some interesting numbers.

16 x 5970 @ 390 MH/s per GPU = 12480 MH/s
At the current difficulty and at a value of $4.8 per BTC would see break even in less than 6 months.
This includes $1200 for the system build and $400 per 5970.

16 X 7990 @ 600 MH/s per GPU = 19200 MH/s
At the current difficulty and at a value of $4.8 per BTC would see break even in 7 months.
This includes $1200 for the system build and $849 per 7990

It would be nice if it can be hashing before the halving.

Except you cant buy 5970s, and 7990s will be dropping in about 6 months.... so buy the 5970s now, sell them, and replace them with 7990s Wink

Did you mean you CAN buy 5970's? 

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February 28, 2012, 02:53:58 PM
 #118

16 X 7990 @ 600 MH/s per GPU = 19200 MH/s

Come on you got to overclock it 4.1% more.  I mean the 20Gh/s rig.  That has to be worth nerd points if nothing else.
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February 28, 2012, 02:59:01 PM
 #119

16 X 7990 @ 600 MH/s per GPU = 19200 MH/s

Come on you got to overclock it 4.1% more.  I mean the 20Gh/s rig.  That has to be worth nerd points if nothing else.

Could this even be run from a standard household socket??  Assuming a 15 AMP breaker? 

That would make for one HELL of a space heater!

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February 28, 2012, 03:00:26 PM
 #120

16 X 7990 @ 600 MH/s per GPU = 19200 MH/s

Come on you got to overclock it 4.1% more.  I mean the 20Gh/s rig.  That has to be worth nerd points if nothing else.
Geekgasm
Why 16? Why not all 18? Grin

Could this even be run from a standard household socket??  Assuming a 15 AMP breaker? 

That would make for one HELL of a space heater!
...Nnnnoo. My estimates came in at about 7KW, so think kitchen oven type power draw.

Mining Rig Extraordinaire - the Trenton BPX6806 18-slot PCIe backplane [PICS] Dead project is dead, all hail the coming of the mighty ASIC!
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