Max: YES !!! :beige: :beige:

I tested it in a G4 QS DP800 with OS 9.2.2

IIRC, that firmware was supposed to be compatible with MacOS ≥ 7.6.1 . Am I wrong ?

I could test 8.0/8.1 on a Beige G3, but I don't have any older PCI PowerMac in working condition.