Yes
No
If you have a graphics card that supports HDMI you can of course connect the PS3 to that card. Will it work at all? most likely not. why not
No it will not.
A computer
If the card is broken, then "nothing" will make it work. To be able to use the card, you will need drivers for it.
Any PCI-E graphics card will work.
Yes, you have a very nice graphics card.
take out your graphics card hit it with a sledge hammer. factory settings is when the graphics card doesnt even work. honestly just kidding about the sledge hammer
No.
yes
On a hackintosh?
Yes, that is determined by the ports on your motherboard. Once you have a card that will work then you will go into the BIOS and disable the on-board graphics