Bit of an update - done the transfer. No good, I think I have a defective card.
No change and still no ago card detected under osx profile.
Will order another card but will test it on a pc to ensure it’s running.
If the next card has the same Infineon ram do I need to lower the mhz speed on the ‘x800 reduced by time’ Rom?
Don’t want to attempt the eeprom
Switch again lol.
hmmm I do wonder if the extra ROP/TMU's that that the X800XT/X850XT ROM enable, are actually defective on your card hence its refusal to work when flashed
if you stick the PC ROM back on it, does it come alive in the PC/show up in MacOS's system profiler at least?
it might also be the card cant handle the clock speeds, so you could try down clocking a ROM somewhat before flashing it
if the next card has Infineon RAM then i'd recommend trying the X850 XT ROM before resorting to down clocking