> Date: Thu, 23 Nov 1995 18:15:29 -0600 (CST)
> From: Rahim Azizarab <ray@tezcat.com>
> 
> Considering you knowledge of sun-3, Do you know how to deal with SCSI bus
> busy (continuously).  My sun 3/60 all of a sudden started to give me this
> error. I have shut the machine off, and then repowered it, but It keeps
> telling me scsi bus busy when I try to boot it.  This machine used to work
> fine before. Any ideas? I do know it is not cabling problem because I can
> hook up the hard drive to my 3/50 and it will boot just fine.

This sounds like a hardware failure.  If you have one of the old Sun
machines that grounds pin 26 (TPWR) on the SCSI connector, then it
may have finally burned out the fuse or diode in whatever device
was trying to provide termination power.  That's my guess anyway...

Gordon