Board ID : Plessey PM DCV51?

From: Dave McGuire <mcguire_at_neurotica.com>
Date: Mon Oct 11 13:38:02 1999

On Mon, 11 Oct 1999, Chuck McManis wrote:
>Does anyone have any information on a Plessy board model number PM DCV51?
>
>It appears to be a disk controller one 34 pin connector and four 20 pin
>connectors. It has plastic handles on the ends like a QBUS board. (I
>suppose it could also be a quad wide unibus board but I don't think so.)

  34 and 20...sounds kinda like an MFM disk interface, or perhaps ESDI?

>There is a NEC D7261AD chip on the top, an uncovered EPROM (worrisome),
>several PALs and a large chip (68pin DIP) labelled AM29x305

  Just thinking aloud here, but that AMD chip sounds like a second-sourced
8X305 by its number and physical description. I didn't know they did anything
from that family. Those are neat processors...and pretty much the predecessors
of today's PIC family. Neat!

                    -Dave McGuire
Received on Mon Oct 11 1999 - 13:38:02 BST