It's been a couple of years since I worked on a WallStreet PB. I
remember noticing that the WS will start from an external disk
connected to the PC Card slot whether it is selected or not; IOW, if
there is a disk with a viable System connected to the PC Card slot, the
WS cannot be forced to start from its internal HD. However, this was
with the Classic (OS 8/9) System.
Now I'm finding that the WS will NOT start from an external HD with OS
X connected to the PC Card slot, even if the internal HD is removed. In
fact, attempting to do so will sometimes screw up the WS so badly that
it won't start from an internal disk either thereafter until a PMU
reset is performed (fn-ctrl-shift-power).
I first ran into this yesterday with a WS (300MHz) someone brought to
me for repair. After spending a couple hours researching all the
necessary updates to bring 10.2.8 to optimum (Apple gives different
stories in different places), I installed 10.2.8 on an HD in a PC Card
case, connected it to the WS (it mounted, though the System on the
internal HD is not well), then selected it in Startup Disk, and
Restarted. The PB wouldn't start. And, after disconnecting the PC Card
case, it now wouldn't start from its internal HD; I had to reset the
PMU to wake it up again.
Somewhere in the process (I don't remember the exact sequence) I even
installed the external HD in a SCSI case (with an IDE>SCSI adapter
board) and tried to start from it via the SCSI port on the back of the
WS. Same result.
So I turned to a WS (300MHz) I have, and got the same results. I
thought it might be something funny about the Toshiba HD I was using in
the external case, so I removed the internal HD (with 10.2.8 & 9.2.2)
from the WS, put it in the PC Card case, and tried to start the WS.
After the startup chord, it showed the OS 9 happy face for a few
seconds, then restarted itself (complete with startup chord), then did
the same thing again, and again.... It appeared that it was trying to
start from the OS 9 on the disk, then finding that the disk was set to
start from OS X, so restarting to switch to OS X, then finding it
couldn't start from OS X, so returning to the OS 9, and so on in an
endless loop.
I put the HD back in the PB, and it started just fine in 10.2.8. I
switched it to 9.2.2, and it started okay also. So then I again removed
the internal HD (now set to start in 9.2.2), put it in the external PC
Card case, connected it to the PB, and it started fine, in 9.2.2.
Conclusion: It appears that the WallStreet PowerBook cannot be run from
an external disk using OS X 10.2.8. At least this is true of the two I
have on hand, one of which (mine) has no other problems I know about.
Can anyone confirm this from your experience?
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