In a message dated 9/29/02 10:05:55 AM, [EMAIL PROTECTED] writes:

<<
> Keep your internal, Apple ROMed SCSI CD-ROM.

Was afraid of that...will putting in an external SCSI case work? It 
should, I can boot off hard drives on the external bus, or does holding 
down the C key make it look for the internal CD?
>>

I keep an Apple-ROMed SCSI CD-ROM in an external case just for those 
situations where I have a machine with a broken internal CD-ROM drive (or no 
internal CD-ROM) and/or a broken hard drive.

My external drive is a tray-loading 24X drive, probably removed from an 8500 
(can't remember now), is set for SCSI ID=3, and TERM=ON (and provided by 
drive power).

This has always worked for getting PowerBooks going, and desktops as well.

Since desktop Macs, other than 7200s, have dual SCSI buses, an external drive 
with ID=3 is distinct from a possible internal drive with the same ID.

I used to set this drive to TERM=OFF, and then use an external terminator as 
necessary, but there are a lot of PowerBooks (and a few older Macs) which 
don't supply TERMPOWER to the interface at all, so an external terminator 
won't work anyway. It is a far more general solution to set TERM-ON.


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