A friend of mine gave me a 6gb hard drive out of a Compaq (Toshiba HDD2144) and I was thinking I could use it in my 2400. I have an adapter that allows mini-ATA connectors to connect to a full-size IDE cable, so I put the Toshiba drive in my G4 tower and partitioned/formatted it with OS X's Disk Utility (made sure to make it HFS+ non-journaled with the OS 9 driver option selected). I had already removed the IBM drive from the 2400, so I copied its files to the Power Mac, then to the 'new' Toshiba drive, including the System Folder. The System Folder showed as being blessed, so I shut down, installed the Toshiba drive in the PowerBook and turned it on... flashing question mark. I then booted OS 9 with an external SCSI drive, thinking maybe the drive just needed to be selected in the Startup Disk control panel (I could hear it at least spinning up in there.) Not only did the drive not mount after 9 had booted, it didn't show up in the Drive Setup application. Fudge. So I tore the whole thing back apart again, found a PDF online that had the jumper config for the drive, set it to cable select, reinstalled it (foolishly putting everything back together) and still had the same problem; drive spins up, won't mount, won't show up in Drive Setup or System Profiler. I've had the thought that OS X's Disk Utility might have written a partition table that just befuddled OS 9. But before I take the thing back apart for the 3rd time, anyone have a little light they can shed on this? The factory spec PDF does state that it's ATA-2,3,4 spec compatible- is the 2400 only compatible with 1st gen ATA? I know I've heard of people putting larger drives in the machine, but I'm kind of sketchy when it comes to the differences in ATA. Thanks in advance, Josh Keady