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Old 12-03-2018, 08:39 PM
BScout BScout is offline
Join Date: Mar 2007
Location: Los Angeles, CA
Posts: 1,319
Default Re: Video Card - Mac Pro High Sierra & Native

Mine (and everyone who has a retail box) comes with power cables for the Mac and power cables for PC. When using the SATA power from the optical bay, you need the power cables for the PC plus an adapter to mate it to the SATA power supply.
Pro Tools Ult 2018.12, HDX 3, MTRX/SPQ, HD OmniMac Pro 5,1 - 3.06 GHz 12 core - macOS 10.12.6RAM 64GB, SSD 4 x 2TB, GPU GTX 980 4GB
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Old 12-06-2018, 09:36 AM
the.engineer the.engineer is offline
Join Date: Nov 2009
Location: Guildford, Surrey, UK
Posts: 150
Default Re: Video Card - Mac Pro High Sierra & Native

Originally Posted by LDS View Post
Yeah, it seems like a bit of a minefield out there in this regard. Just to clarify, when you say you spliced into the PCIe AUX power for your HDX card, would using a simple 6-pin mini-PCIe Aux 'Y' cable achieve the same thing? I have a Mac Edition GTX 680 sitting here that uses 60w less power than your 280x, so the same solution should work fine.
Yes, same thing. I cut the mini 6-pin to large 6-pin in half, then using a pinout diagram and multimeter made sure I knew which pins on the four pin HDX connector needed 12V and gnd and soldered them all together again!
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James Welch
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Masterlink Productions

Mac Pro 5,1 (Mid 2010) | 3.46GHz Six-Core Intel Xeon | 32GB Ram | AMD Radeon R9 280X 3072 MB | 256GB Samsung SM951 SSD Blade (PCIe) System Drive | 1TB WDC Sample Drive | 4TB RAID 0 Seagate Audio Drive | UAD-2 Quad PCIe
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