In 7300, and the other PCI Macs, the 4 port cards are unreliable. 2 Port cards, are much more reliable. George wrote: > I am trying to install a simple Comp USA 4 port USB- 1.0 card in a power > mac 7300/200 sys 9.1 . > > I installed USB support 1.41 > > The machine sees the card, and I can get a single device to work in the > lowest port. When active > the external device shows in all 4 ports using system profiler. > > The upper 3 ports will not work at all. The card works normally in a PC. > > Any ideas? > > Thanks > > George > ----------