[rescue] DEC VAXstation 3100

Jochen Kunz jkunz at unixag-kl.fh-kl.de
Mon Oct 4 10:41:34 CDT 2004

On Sun, 3 Oct 2004 01:25:55 -0400
Charles Shannon Hendrix <shannon at widomaker.com> wrote:

> The SCSI board goes to the drives and to an external centronics SCSI
> port.  The same board also goes to a pair of large 3-row DB
> connectors.
This seems to be an old VAXstation 3100 m[34][08]. There where different
IO boards available for this series of machines. Most likely this
connectors are a ST412 aka MFM disk interface. Is there a HDC9224 MFM
controller chip on the IO board? It may be a serial multiport option
also. "show dev" and "show conf" at the ">>>" boot-prompt may give some


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