Question about memory boards used on VAX 11/7xx

[Patrick Finnegan]

On Monday 27 December 2004 13:43, Pierre Gebhardt wrote:
> Hello guys,
>
> > > Can I use these boards in my PDP 11/24, too ?
> >
> > Nope, not if they're 7xx boards.  If these are standard UNIBUS
> > boards, you should be able to use them in both the 7xx and a
> > PDP-11.
>
> That's the info I found on the net from a 11/750 FAQ:
>
> "National Semiconductor Memory Systems: 1Mb memory boards. These
> boards have PWB 551109464-002 B
> PWA 980109464-001 D
> etched on them. They have a push-button switch for disabling the
> board, and a spare memory chip in a socket on the board. Board has
> green and yellow LEDS, which should normally both be on. Disabling
> the board causes the yellow LED to go out, and the red LED on the
> L0016 to come on, indicating bad memory configuration."

Those almost certainly aren't UNIBUS memory boards, but are 
11/750-specific boards.

Pat
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