by billb » 06 Aug 2010, 00:07
Is your PS3's blu-ray drive broken? If not, burning an install DVD is the best way to go.
A method for installing from USB is shown here, though I haven't tested it myself:
viewtopic.php?f=3&t=6989
PS3 60GB [CECHA01], FW 3.15, YDL 6.2, Samsung T260HD @ 1920x1200
Powermac G4 1.25 GHz x2, 2 GB RAM, YDL 6.2