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Bitcoin Forum > Other > Archival > CPU/GPU Bitcoin mining hardware > Could someone recommend me a motherboard for 4 cards?
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V2-V3
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June 11, 2011, 04:52:26 AM
 #21

Riser cable available here:
http://www.chinadist.com/pci-e-1x-riser-pci-express-extension-card-cable.html

it allows you to place the card farther away from the motherboard so you can plug more GPU's into a motherboard without the space restrictions between slots where a dual slot card will not fit.
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DupingBitCoins (OP)
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June 11, 2011, 04:54:55 AM
 #22
Quote from: V2-V3 on June 11, 2011, 04:52:26 AM

Riser cable available here:
http://www.chinadist.com/pci-e-1x-riser-pci-express-extension-card-cable.html

it allows you to place the card farther away from the motherboard so you can plug more GPU's into a motherboard without the space restrictions between slots where a dual slot card will not fit.

Wow thats awesome :O

That will also keep them cooler right sense they won't be close to eachother??
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June 11, 2011, 05:01:36 AM
 #23
yes sir it will help keep them much cooler
DupingBitCoins (OP)
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June 11, 2011, 05:12:31 AM
 #24
Quote from: V2-V3 on June 11, 2011, 05:01:36 AM
yes sir it will help keep them much cooler

Your the man :O
V2-V3
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June 11, 2011, 05:56:07 AM
 #25
Quote from: DupingBitCoins on June 11, 2011, 05:12:31 AM
Quote from: V2-V3 on June 11, 2011, 05:01:36 AM
yes sir it will help keep them much cooler

Your the man :O

You are very welcome Smiley
jonnynogood
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June 11, 2011, 07:01:26 AM
 #26
Quote from: DupingBitCoins on June 11, 2011, 05:12:31 AM
Quote from: V2-V3 on June 11, 2011, 05:01:36 AM
yes sir it will help keep them much cooler

Your the man :O

they stay very cold like this.  i have a homemade aluminum frame 2 level case with these.  2 cards and the power supply on the top level and 2 cards and the motherboard on the bottom level.  the bottom cards are plugged into the 16x ports and the top cards are on extenders plugged into the 1x ports. they have about an inch between them and the temps are about 15 degrees colder than when i had them back to back.

the case is a few inches bigger than the motherboard and is about 13-14" tall.  basically a cube with fans on the front blowing through

i got my cables from here
https://cablesaurus.com/

you can pay in bitcoins, my order arrived in 3 days and it shipped all the way across the US
computerparts
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June 11, 2011, 07:07:12 AM
 #27
Quote from: mouser98 on June 11, 2011, 03:47:49 AM
Quote from: computerparts on June 11, 2011, 03:42:05 AM
Quote from: mouser98 on June 11, 2011, 03:35:07 AM
here is the one that i got with 4 pci-e slots for $65

http://www.newegg.com/Product/Product.aspx?Item=N82E16813138318



That board only has two pci-e slots which can be used with video cards.

lol, tell that to my four 5830s then Smiley

If you are using risers on pci-e 1x slots for video cards, then you're killing the bandwidth. Might as well chop the card in half while you're at it.
jonnynogood
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June 11, 2011, 07:12:43 AM
 #28
its a 100% mining rig  i could care less all i am after is Mh/sec
SchizophrenicX
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June 11, 2011, 07:42:05 AM
 #29
my money is on GD70. 4~6 cards depending on ur config.
Beginner's Guide
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June 11, 2011, 07:43:28 AM
 #30
Quote from: SchizophrenicX on June 11, 2011, 07:42:05 AM
my money is on GD70. 4~6 cards depending on ur config.

how do you power that?
phenom
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June 11, 2011, 10:01:57 AM
 #31
How do you guys get around the issue of not having enough PCI-E connections? I have a 850W PSU which should be able to manage 3x5870. But it only has enough PCI-E cables for 2 cards. Are these adapters fine :

PCI Express 6-Pin to 4-Pin Power Adaptor for PCI-E Graphics Cards

http://www.overclockers.co.uk/showproduct.php?prodid=CB-033-OK
Dyaheon
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June 11, 2011, 10:12:34 AM
 #32
Quote from: phenom on June 11, 2011, 10:01:57 AM
How do you guys get around the issue of not having enough PCI-E connections? I have a 850W PSU which should be able to manage 3x5870. But it only has enough PCI-E cables for 2 cards. Are these adapters fine :

PCI Express 6-Pin to 4-Pin Power Adaptor for PCI-E Graphics Cards

http://www.overclockers.co.uk/showproduct.php?prodid=CB-033-OK


Yeah. Didn't your video cards come with those adapters? I thought they always included those.
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June 11, 2011, 10:17:28 AM
 #33
Quote from: Dyaheon on June 11, 2011, 10:12:34 AM
Quote from: phenom on June 11, 2011, 10:01:57 AM
How do you guys get around the issue of not having enough PCI-E connections? I have a 850W PSU which should be able to manage 3x5870. But it only has enough PCI-E cables for 2 cards. Are these adapters fine :

PCI Express 6-Pin to 4-Pin Power Adaptor for PCI-E Graphics Cards

http://www.overclockers.co.uk/showproduct.php?prodid=CB-033-OK


Yeah. Didn't your video cards come with those adapters? I thought they always included those.

Dude, I completely forgot haha. Just checked the boxes and they have 2 each  Roll Eyes
mouser98
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June 12, 2011, 05:06:25 PM
 #34
Quote from: computerparts on June 11, 2011, 07:07:12 AM
Quote from: mouser98 on June 11, 2011, 03:47:49 AM
Quote from: computerparts on June 11, 2011, 03:42:05 AM
Quote from: mouser98 on June 11, 2011, 03:35:07 AM
here is the one that i got with 4 pci-e slots for $65

http://www.newegg.com/Product/Product.aspx?Item=N82E16813138318



That board only has two pci-e slots which can be used with video cards.

lol, tell that to my four 5830s then Smiley

If you are using risers on pci-e 1x slots for video cards, then you're killing the bandwidth. Might as well chop the card in half while you're at it.

getting 260 Mhash/sec out of each one, with 875 core clock and 900 mem clock, running at 59-64 C.  ::shrug::
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