Adding additional SCSI disk-drives and cartridge-drives on Sun 3/160

[aaron at ux.acs.umn.edu]

I'm looking forward to add a 141 Mb SCSI drive and a 60 Mb SCSI cartridge
drive to a Sun 3/160, which already has two Micropolis 1325 (72 Mb's) SCSI
drive and an Archive 60 Mb cartridge drive running (as sd0, sd1 and st0).

I onder if I can "chain up" the prospective/additional SCSI equipments
(the 141 Mb drive and 60 Mb mt drive) on the existing SCSI bus/cable? ie,
without buying an additional SCSI host adapter.

SCSI specs say I can do that (chaining them up), but don't know if Sun's
kernel supports it.  Btw, I'm running SunOS 4.1.

If chaining them up is not feasible, where can I buy cheap/used SCSI
adapters for use with Sun 3's VME bus?

Btw, the additional 141 Mb SCSI drive and the 60 Mb cartridge drive plus
readily to a Sun 3/60's SCSI port.  But instead of using it on a Sun 3/60
desktop, I wanna use it on the Sun 3/160's deskside.  Hope that makes the
picture a little clearer.

I'd appreciate any information, thanks in advance.
/aaron.cheung
aaron at ux.acs.umn.edu