Special IBM MCA system (Mopar) Help

From: Roger Merchberger <zmerch_at_30below.com>
Date: Thu Aug 12 11:57:20 1999

This is slightly off-topic (as the system itself is from ~1991), but most
of the hardware I'm dealing with dates to 1989 or so...

I'm working with an IBM-built MCA-architecture machine called the MDS -
Mopar Diagnostics System. You'll probably find one at your local
Daimler-Chrysler fixemupper dealership.

Anyway, the box at a local dealership here decided to take a crap -
specifically, one of the SCSI 1x CD-ROMs seems to have died. I've tried
replacing it with a standard 4x SCSI - trying every jumper permuation I
could think of, to no avail. Either it wankers the SCSI bus, or just isn't
recognized by the system.

The system seems to run (at least) a chunk of DOS, then boots from *both*
of the CD-ROM drives to have all the functions available.

Anyone here deal with non-IBM scsi drives in an IBM MCA box?

(BTW, the System # is 7785-110, the IBM part # for the SCSI card is
66g1080. I've tried searching the web for darned near anything (including a
few PS/2 FAQs) to no avail.)

Thanks for any and all help you may be able to provide,
Roger "Merch" Merchberger
Roger "Merch" Merchberger   ---   sysadmin, Iceberg Computers
Recycling is good, right???  Ok, so I'll recycle an old .sig.
If at first you don't succeed, nuclear warhead
disarmament should *not* be your first career choice.
Received on Thu Aug 12 1999 - 11:57:20 BST

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