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PandaMiner (OP)
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June 24, 2011, 05:45:04 AM
Last edit: June 24, 2011, 06:25:14 AM by PandaMarketer |
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So why couldn't you just use a 6 pin PSU to 6 pin PCIE cable directly,... I don't know why you are not getting it. Here's a picture. I don't KNOW if "they" make a 5pin-molex to 6/8pin-PCIe power cable. But if not, then one must use an adapter in conjunction with a 5pin-psu(molex) cable.  |
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PandaMiner (OP)
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June 24, 2011, 05:49:43 AM |
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a 35 dollar PSU, 600 watts. powering 2x 5830 and 2x 5770 for a total 1ghash. How are you powering the four cards? The specs I read show only 2 x PCIe 6+2 cables. You must be using adapters. |
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CanaryInTheMine
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between a rock and a block!
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June 24, 2011, 05:54:50 AM |
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a 35 dollar PSU, 600 watts. powering 2x 5830 and 2x 5770 for a total 1ghash. How are you powering the four cards? The specs I read show only 2 x PCIe 6+2 cables. You must be using adapters. better details here: 2x6 and 2x(6+2) connectors |
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PandaMiner (OP)
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June 24, 2011, 06:28:12 AM |
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Canary, So you are using TWO rigs to get your 1ghash?
'Cause if you're not using adapters, and your PSU only has four cables (two 6pins, and two 6+2pins), then it can only support two physical cards (not counting on-board GPUs).
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CanaryInTheMine
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between a rock and a block!
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June 24, 2011, 06:46:08 AM |
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Canary, So you are using TWO rigs to get your 1ghash?
'Cause if you're not using adapters, and your PSU only has four cables (two 6pins, and two 6+2pins), then it can only support two physical cards (not counting on-board GPUs).
I think you are confusing me with gmannn... and it would be very easy to power his setup... 5830's are clearly covered... 5770 only needs 1 6-pin. it would be very easy to convert 4 pin molex to 6 pin. The PSU gmannn is referring to is fully capable of his setup. Also, cards typically include such molex converters etc... Don't confuse this with Y-splitters... Hope this helps. |
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gmannn
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June 24, 2011, 06:50:38 AM |
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a 35 dollar PSU, 600 watts. powering 2x 5830 and 2x 5770 for a total 1ghash. How are you powering the four cards? The specs I read show only 2 x PCIe 6+2 cables. You must be using adapters. Yes the built in pcie cables power the 5830s (2 plugs each card), and I use 2-molex>1-6pin adapters that came with 5770s to power them. the 5770s only need a single 6pin. |
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Mabsark
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June 24, 2011, 07:05:07 AM |
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So why couldn't you just use a 6 pin PSU to 6 pin PCIE cable directly,... I don't know why you are not getting it. Here's a picture. I don't KNOW if "they" make a 5pin-molex to 6/8pin-PCIe power cable. But if not, then one must use an adapter in conjunction with a 5pin-psu(molex) cable. I've never seen those 5 pin peripheral sockets before. All the modular PSUs I've seen use 6 pin peripheral connectors that look just like 6 pin PCIE plugs. |
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melco
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June 24, 2011, 09:46:56 AM |
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Well, I guess the only difference is that you would need a 4pin-Molex-to-6/8pin-PCIe modular cable. Not sure if they make those.
I think they make molex-to-6/8pin adapters. You could use an adapter with a molex-to-molex cable.
This would be a perfect solution.
Why not to use Y-slitter to split 6pin PCIe to 2*6pin PCIe? |
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PandaMiner (OP)
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June 24, 2011, 11:54:48 AM |
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Why not to use Y-slitter to split 6pin PCIe to 2*6pin PCIe? As I stated in the OP, Y-splitters are not recommended by the video card manufacturers. That, and I don't have any.  |
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Dyaheon
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June 24, 2011, 02:27:00 PM |
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So why couldn't you just use a 6 pin PSU to 6 pin PCIE cable directly,... I don't know why you are not getting it. Here's a picture. I don't KNOW if "they" make a 5pin-molex to 6/8pin-PCIe power cable. But if not, then one must use an adapter in conjunction with a 5pin-psu(molex) cable. I've never seen those 5 pin peripheral sockets before. All the modular PSUs I've seen use 6 pin peripheral connectors that look just like 6 pin PCIE plugs.  Mine looks like that, all slots are identical. I suppose with a PSU like that, you could try to acquire more cables instead of using molex->6pin adapters. However, it's easier to use adapters than acquire more pci-e cables  |
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