DEC PDP 11 RK05 DEC custom (?) bootstrap board

Paul Koning paulkoning at comcast.net
Wed Aug 29 13:44:58 CDT 2018


Most likely not DEC.  The blank handle says as much, and the part numbers you gave are not in the DEC standard format.  Also, I would not expect "R-K" in a DEC references to the RK05/RK11.

	paul

> On Aug 29, 2018, at 2:28 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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