Take a look at this:
http://developer.apple.com/technotes/tn/tn1116.html
To quote:
"This Technote describes two potential problems with substituting hard drives
on some PowerBook models and SCSI disk mode. Both problems occur only with
ATA hard drives and SCSI disk mode.
One problem occurs with replacement internal ATA hard drives greater than 4
gigabytes in capacity and SCSI disk mode. This problem only occurs on
PowerBooks prior to the PowerBook G3. The second problem relates to certain
size replacement ATA hard drives and PowerBooks prior to the PowerBook 3400."
Sorry to bring bad news...
Andrew
<< This seems to suggest to me that any PowerBook with a drive over 4MB
cannot be
used in SCSI Disk Mode. Was this a limitation to older PowerBooks that could
not use SCSI Manager (like the Duo) or does it apply to all PowerBooks (or
just
to the Duo)? I can't see it applying to all PowerBooks as some of the new G3s
came with 6Gig drives. Does this limitation apply to 2400s as well? >>
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