Building a PDP-11 for the first time

From: Jerome H. Fine <jhfinexgs2_at_compsys.to>
Date: Thu Dec 11 16:30:54 2003

>Christopher Cureau wrote:

> The M8190 was salvaged from a PDP-11/23 backplane where it had been
> running, so I assumed that it would work in a QBUS setup. Is there an easy
> way to tell whether the card is really Unibus or QBUS?

Jerome Fine replies:

There is a list of DEC boards available. I can't remember the
address. It lists the M8190-AB as Qbus.

> 2.11BSD, is the disk controller supported?

Probably. MSCP on DEC PDP-11 systems seems
to be supported by most operating systems that run
on a PDP-11. Most 3rd party Qbus disk controllers
and host adapters, especially SCSI host adapters
supported MSCP since their use was targeted to
function under DEC operating systems on the PDP-11
and microVAX II systems.

Sincerely yours,

Jerome Fine
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Received on Thu Dec 11 2003 - 16:30:54 GMT

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