I've got a PPC 9500/132 equipped with a Crescendo G4/400 PCI processor upgrade card, an USB adapter card, a ACard Big Claw ATA/IDE card, and two harddisk and a CDROM attached to it; the system is running under MacOS 9.1.
I tried to install MacOS X 10.3 (10.4 doesn't work, because I only have...