On Thu, 31 Jan 2002 12:13:39 -0700
"Don Yuniskis" <auryn@GCI-Net.com> wrote:

> Nothing unusual there.  SCSI is just a long wire with lots of "short
stubs"> (key being *short*!) at intervals along it's length (I think no
closer than> every "electrical 6 inches" or so).  An  unconnected drive
just looks like> a length of cable *without* a stub.  (the short ribbon
cable and the 1" or> so of foil inside the drive being the "stub"). 
Haven't looked, but I> suspect
> there are terminations on the motherboard just past the (electrical) end
of> the "last" internal drive (i.e. imagine none of the internal drives
should> be terminated?)

Correct - the scsi chain is terminated internally on the motherboard, all
internal drives should not be terminated.

The external scsi socket can be left un-terminated unless you plug
something into it, in which case the last external device must be
terminated.

sun4c uses SCSI-2 fast & narrow (10MHz)