Hi All
Ethan Dicks wrote:
I don't recall anything about "Extrel", but unless this card was at the
top of the bus, it was a peripheral card, not the primary CPU (you have
to put the CPU at the top because boards "above" the CPU wouldn't be able
to break the grant chain for interrupts or DMA requests).
The board was at the top of the bus. I'm pretty sure this is not a peripheral
board. The fact that it says on a paper label "QBUS CPU" lead me to beleive
this is the primary cpu board.
> So what sorts of connectors are coming off
the top of the board? 40-pin
> Berg connectors were commonly used for serial ports (DL11E, DUP11, DUV11...)
> but with a 3rd party board, there's no standard.
One 20 pin and two 34 pin connectors
The board looks like it also contains a small amount of ram.
Cheers
Tom
.
> -ethan
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