Short answer YES. They're backwards compatible. John > > My G4 can have two additional ATA/66 drives. When I looked at Fry's, it > did not show ATA/66, but plenty of ATA/100. > Shall I just use 100, which will work at 66's speed? Any help, would be > most appreciated. Thanks. > > ************************************** -- One OS to rule them all, One OS to find them. One OS to bring them all and in anti-competitive practices bind them. In the land of M$ where the Shadow lies.