Powerbook 145b bizarre SCSI problems

[zblongladder]

I recently acquired a Powerbook 145b (my first vintage Mac), and I had pretty humble ambitions for it...I just wanted to put in a bootable BlueSCSI and then (hopefully) be able to load files off an external SCSI drive. When I first got the machine, everything was working fine with the internal BlueSCSI (I hadn't tried the external yet), but then I updated it to the latest firmware. That must've done something to the Powerbook, since now:

1. It will boot fine with the internal BlueSCSI but it will only mount one drive (the drive 0 hda image). The Wifi DA sees the NE4.hda image and will connect to Wifi, but the OS refuses to mount any other images on the SD card.

2. It refuses to boot from the original spinning HDD, which was in good working order when I removed it.

3. It refuses to boot with the external BlueSCSI attached, even if the internal BlueSCSI is there and there's no SCSI ID conflicts.

4. I also tried booting the external BlueSCSI without the internal drive connected and the internal BlueSCSI's SD card in the external, but it also refused to boot.

(When I say "refuses to boot", it's chiming and getting to the question-mark-disk screen, just not detecting a bootable disk.)

I'm a bit of a newbie and I'm at my wit's end...is the SCSI controller just fscked, or is there something I'm not doing that I should be?

ED: Also, I did have the external attached to USB power...I know the early Powerbooks don't supply termination power.

 

[zblongladder]

OK, so after a bit more digging, Mt Everything seems to allow me to manually mount other images on the internal BlueSCSI, but it still won't boot with the external BlueSCSI attached. I'd rather not have to open the case every time I want to add something to the drive (the plastics aren't in wonderful shape as it is), but at least I can get more than one drive on the internet (and the shared folder with the BlueSCSI toolkit works).

 

[Realitystorm]

Most Macintosh computers that have an internal SCSI drive have to have one installed and terminated for external drives to work. So that would explain why it will not boot without the internal drive. Are all your images initialized?

 

[zblongladder]

Most Macintosh computers that have an internal SCSI drive have to have one installed and terminated for external drives to work. So that would explain why it will not boot without the internal drive. Are all your images initialized?

Yes...they're actually all premade images, and the one on the external is just a copy of one of the ones that mounts fine on the internal, just with a different SCSI ID.