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Author Topic: How do I avoid frying my motherboard? [5x HD5850]  (Read 1442 times)
Woshie
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June 06, 2011, 11:08:31 AM
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Hi!
I got five HD5850s which I wish to set up in a mining rig. My problem is that I don't really understand how motherboard works.
As far as I understand the PCI-E gets 33% of the power from the motherboard and 67% from the PSU which means ~250W in total will be pulled over the PCI-E! (150W * 5 * 33% = 250W)
Will this fry the motherboard? If so, how do I avoid it?
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nazgulnarsil
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June 06, 2011, 11:14:39 AM
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there are adapter cables that include a separate molex power cable.
Woshie
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June 06, 2011, 11:24:03 AM
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there are adapter cables that include a separate molex power cable.
Thanks for your quick answer! Smiley

I can only find Cablesaurus selling them, and they won't restock until August. Sad
Do you know any tutorial which shows how to build them by yourself?
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