Success!
Thanks to everyone for your replies! Special shout outs to Franklinstein for suggesting Rufus and Unknown_K for keeping me honest.
Rufus quickly and easily created a bootable USB stick. Then I followed steps 2 - 4 in the procedure here...
So far, attempting to reflash the card is proving tedious. I’m following the directions here:
https://forums.macrumors.com/threads/flashing-a-quadro-fx-4500-for-power-mac-g5-compatibility.1991875/
The HP USB Storage Format Tool included in the download won’t recognize any USB devices I have...
Thanks for all the replies!
The listing was for:
Nvidia VCQFX4500-PCIE Quadro FX 4500 PCIe for Power Mac G5 512mb DDR3 Video Card
but no other details were provided except the pictures (gotta have that piece of metal on the back) and that a separate power cable was not provided.
I guess my...
I did, although I had to buy it separately. I even plugged it in to the motherboard and the card! I haven’t tested the cable with anything else, so I dunno if it’s any good.
Power Mac G5 Quad (2.5 Ghz)
4 GB RAM
Mac OS 10.4.11
It runs fine with the GeForce 6600 installed. I just got a Quadro 4500 FX off eBay (uh oh, the seller said it was for the G5) and I get no picture at all, although the system seems to be running: the startup chime sounds, and after a minute...