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Re: [Xen-users] Is there any ATI card, which works with VGA Passthrough and allows rebooting guest?

On 21.01.2014 17:40, Gordan Bobic wrote:
On 2014-01-21 16:23, Adam Ryczkowski wrote:
I'm planning to build a system that allows gaming on domU with

 Are there any graphics cards besides few expensive NVidia Quadro
models, that are fully compatible with Xen VGA-passthrough, including
rebooting the virtual guest?

 I'd very much prefer to use ATI family then NVidia, with price <=
Depends on the performance level you required. IIRC I had
marginally better luck with the HD6450/7450 card than higher
spec ones, presumably because it doesn't take auxiliary
power so putting it to sleep by removing PCIe power
works on it.
Dear Gordan,

thank you very much for an answer.

Do you mean, that you are actually able to reboot the guest as many times, as you want, without any issues?

If you want to go faster and aren't afraid of a little
bit of soldering, get a non-Gainward GTX680 and remove
one resistor to make it into half of a Tesla K10, which
also works well for VGA passthrough purposes (yes, I
also use those).

Do you have, by any chance, a link to the photograph describing which resistor to remove? As I understand, the "solution" depends on the motherboard manufacturer...

I've found tons of these on several forums, but they were about modifying GTX 690 into Tesla K10, not GTX 680. Besides, many are poorly explained, and I didn't make out precisely if the modification really worked.

BTW Why non-Gainwart?


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