no_alone (OP)
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June 17, 2011, 10:06:21 AM |
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Hello, I have a pc with 2 5850, 1 PCI-e x16 and 1 PCI-e x 1 And I'm experiencing unstable speed on the PCI-e x1 Anyone know what could be the reason for this??
bolth of the cards are overclocked 850,900 and one is stable on 320MH/S and the second one the PCI-Ex1 is going up and down between 260 to 320... Anyhelp will be great thank you
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hugolp
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June 17, 2011, 10:23:07 AM |
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Im getting stable speed of 441Mh/s on a 5870 using a pci-e x1 to x16 extender (the extender has a molex to get the energy from the PS directly and not from the motherboard, got it at cablesaurius).
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no_alone (OP)
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June 17, 2011, 11:01:02 AM |
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Well I dont use a one with a molex. .Maybe I can modify it? Could this be the problem?
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kripz
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June 17, 2011, 01:54:23 PM |
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Freakin
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June 17, 2011, 04:28:28 PM |
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just pin 2 running to 12v in a molex connector is all you need? Got a bunch of 1x extenders and don't want to wait to get some ones w/ molex from cablesarus wasn't able to use my 3rd 5830 in a p5w DH. I'm sure i'll have bigger problems trying to get 3x 5830 & a 5870 running in my 939 lanparty board
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kripz
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June 18, 2011, 04:51:47 AM |
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The thing i dont understand is, 1000000A is being sucked in via molex but has to exit through the PCI lane, why dont people modify the negative?
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no_alone (OP)
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June 19, 2011, 10:02:32 AM |
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In this website it say it re-routed 5 12v lines... But from this chart you can understand that there are only 4 12v lines A2 A3 B1 B2 B3 is Reserved and not 12V ... Soo do I also re-route him or not? thank you.
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kripz
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June 19, 2011, 10:50:17 AM |
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Dont know, i'd advise looking up the PCI-E specs when messing with an expensive computer/gfx card.
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