10 of 10 people found the following review helpful
Perfect in Target Display Mode
, December 14, 2010
This review is from: XFX ATI Radeon HD6870 1 GB DDR5 2DVI/HDMI/2x Mini DisplayPort PCI-Express Video Card HD687AZNFC (Personal Computers)
Like John Smiley, I bought this to drive my late-2009 27" iMac in target display mode. I can report that it works perfectly. I have it driving three displays -- mini displayport (iMac) and two DVI outputs. Games perform perfectly on maximum detail at the full resolution of the iMac.
You might wonder why this is a five star rating. It's been a long and frustrating road for those of us trying to use the target display mode. There were a couple of really-old-generation cards that could do it. Due to some kind of flaw in the 5xxx series, only the 5870 could do it, and that was just too much to pay for a card that wouldn't be used to its full capabilities.
These 6870 cards perform almost as well as the 5870, at a far lower price point. Total win, as far as I can tell. I've left an older NVIDIA card in the machine so parallel stuff can run on its chipset.
Based on what I see at the ATI/AMD site, the drivers might be a little shaky, but I have not see any evidence of that yet.
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