Ancient 8086/80286 unixes?
ard at p850ug1.demon.co.uk
Wed Sep 5 18:32:18 CDT 2007
> > I also have an 8086 board for the XT. Of course the
> > benefit of that
> > processor over the 8088 was the 16 bit databus,
> > which sould be lost if
> > the thing had to do 8 bit accesses to memory. So
> > there's full 640K of
> > RAM on this board too. Of course it does use 8 bit
> > transfers to access
> > ROMs and peripherals. This is a full-length card,
> > again with a cable and
> > DIL plug to go in the 8088 socket.
> Is it's intended to supplant or supplement the 8088?
> Are you sure it just isn't a mpu board for some unit
> w/a passive backplane? I don't mean to insult your
> intelligence, just that it's a possibility.
I think the name etched into the copper implied it was an add-on for the
PC/XT, and given the fact that it has this ribbon cable ending in the 40
pin DIL header plug, I assume it replaces the 8088 (and therefore doesn't
go in a passive backplane).
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