If your three monitors are all DVI you need two of the Apple Mini DisplayPort to Dual-Link DVI Adapter's. I was only able to get one Apple Mini DisplayPort to Dual-Link DVI Adapter today because Adorama only had one in stock.įrom the Apple document I got the impression that one might do the job in my case so I tested it and it works. Other than that, they've worked flawlessly. So basically, I never turn off monitor #1.
That can be fixed by unplugging the USB ports from BOTH of the DVI adapters, then plugging them back in. But if I turn off monitor 1 and then turn it back on, it displays "noise" on the screen. I found that I can turn monitors 2 and 3 on and off at any time. I have my monitors connected to a rackmount power strip with individual power switches so I can turn them on and off individually. The Mac Pro (Mid 2010) provides two auxiliary power ports. The ATI Radeon HD 5770 graphics card requires one auxiliary power connection and the ATI Radeon HD 5870 requires two. Mac Pro (Mid 2010) and Mac Pro (Mid 2012) systems come standard with the ATI Radeon HD 5770 graphics card, but may be configured with an ATI Radeon HD 5870 graphics card or two ATI Radeon HD 5770 cards. Learn about supported graphics card and display configurations for the Mac Pro (Early 2009), Mac Pro (Mid 2010), and Mac Pro (Mid 2012) configured with either an ATI Radeon HD 5770 or Radeon HD 5870 graphics card. Mac Pro (Early 2009), Mac Pro (Mid 2010), Mac Pro (Mid 2012): Supported display configurations Is that correct?Īlso, why is there a USB input next to the DVI input where you plug-in the DVI cable on the adapter? Does this input just behave like a hub so you can daisy chain the USB connections from one display to another so you only need to use one USB input on the Mac?ītw, the Mac Pro that I use in my music studio which I want to use the 3 displays on was purchased 4/21/12 so I'm guessing that makes it a mid-2010 Mac Pro, if that makes any difference. Since the documentation doesn't mention it, may I ask what the USB connection is for? I'm guessing that it's a power source for the adaptor.
Wow, not cheap adaptors but if it works it'll be worth it. Thanks for the quick reply with info and links! So those take care of two monitors, and my third is connected directly to one of the DVI ports on my video card. If you don't have exactly those adapters, it's not going to work. Based on my system, which is a little newer than yours based on what you have listed in your profile, this is the magic documentation:
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