DEC PDP 11 RK05 DEC custom (?) bootstrap board

Paul Anderson useddec at gmail.com
Wed Aug 29 23:23:51 CDT 2018


Hi Bill,

They don't sound like DEC numbers. Maybe Plessey?

Thanks, Paul

On Wed, Aug 29, 2018 at 1:28 PM Bill Degnan via cctech <
cctech at classiccmp.org> wrote:

> I have what I believe to be two DEC RK05 bootstrap boards each with a ROM
> labeled 802350 A.  UNIBUS.  The plastic handle tabs are Digital Equipm.'s
> but it could be an OEM as there is nothing printed on them.
>
> On the board is printed on what would be the bottom front side
> R-K ABBR BOOT P.C. BOARD 609395 REV B
> on one line and under that
> 802000 REV
>
> There is a round sticker on the back of the board written in pen that
> reads:
> LL
> 802000
> Rev B
> 6-17-76
>
> printed on the backside of the board near the sticker is 609395 REV B
>
> I use a M9312 to bootstrap from the monitor but I am curious how I'd
> attempt to use one of these.  Any thoughts?
>
> Bill
>


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