Sharing SCSI with 4091
2 messages in this thread
Hi, I'm a little confused here, I just bought a double speed NEC CD drive that
is SCSI 1 and 2 compliant (model CDR-84JD-1 if it helps). I would like to set
it up so that the SCSI device is shared between the 4091 controller and the
Emplant's built in SCSI controller. While I've had the 4091 for about 2 months,
it is only now that I'm actually connecting something to it. My question is,
because of the active terminator board that comes with the 4091 needs to be
connected (according to the manual), should I connect the devices as:
4091 — to Emplant SCSI port — to CD ROM — to active terminator board
or do the controllers need to be on opposite sides of the chain, for instance:
4091 — to CD ROM — to Emplant SCSI port — to active terminator board
Basically, what I'm looking for is a setup that will allow future SCSI devices
to just be added to the chain, be it in the middle or at the end. My second
question is, if I'm using the active terminator board, does it means that no
matter how many devices are being hooked up, I need one more connection empty
for the active terminator exactly, or can I have a cable with 6 SCSI conectors
where I only use the connections that are necessary and having the last
connector plugged with the active terminator IC board.
Sorry for the long winded question, but I'm very new to whole SCSI way of
attaching devices, not to mention the fact that I'm trying to share these
devices amongst two SCSI controllers. This will give me the most flexible way
of using CD and removable HD between Amiga, MAC and IBM systems, all residing
in one machine (with the help of the EMPLANT, of course) Thanks for any help
here…. Catya,
Clarence,
Just hook the CD-ROM drive to the Emplant SCSI for use on both the Amiga
and Mac sides. The Emplant SCSI controller is fast enough to run any
current CD-ROM drive at full speed, so there's no real advantage to
hooking it to the A4091 too.