Help needed with 2/120 and SCSI drive
Marc de Groot
marc at toaster.sfsu.edu
Thu Jan 24 12:18:04 AEST 1991
I have a Sun 2/120 and tapes of SunOS 3.2. I have an Adaptec ST506/SCSI
controller and a 40M hard disk (Micropolis 1304). Since 40 Megs of disk
isn't enough to have a full OS installation, news feed, etc. I bought a
Maxtor 213-Meg SCSI hard drive to use as a second drive. The "diag"
program doesn't know how to deal with the Maxtor SCSI drive, but I was
assured by someone that I could "lie" to the diag program about the
geometry of the drive and get it to accept it.
When I run diag it first asks for a controller. Now, the Maxtor SCSI
drive has a built-in SCSI interface, but I'm not given a choice for that
so I answer "Adaptec controller" (which is the controller for my crufty
Micropolis 40M drive). HOWEVER, when I am asked for the SCSI device
number (the "target" number) I answer with the Maxtor SCSI drive's number,
NOT the Adaptec controller's number. I then give a number of cylinders,
number of heads, etc. that works out to about 210 Megs. The program then
resets the SCSI bus and hangs, looking for a device out there.
I've tried various things and nothing seems to work. Can someone help me
with the black art of getting a generic SCSI drive to work with 3.2?
Thanks very much.
-Marc de Groot marc at toaster.sfsu.edu uunet!hoptoad!noe!marc
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