Sounds like you are describing almost exactly the IBM PC/XT286.
Jason Willgruber wrote:
>
> Could it be possible?
>
> I was talking with a friend of mine, and we somehow got on the topic of what
> would be a cool "custom computer" to have.
>
> My idea was either an 8088 or an 8086 with a 16-bit AT-style bus. (keep in
> mind that it's a theoretical idea, and not an actual project -- yet)
>
> -It would probably involve using dual processors, (and probably dual math
> processors) to make up for the 16-bits.
> -It would probably have 1 MB RAM, with 30-pin expansion slots.
> -Would it be possible to have CPU cache with an 8088 or 8086?
> -I would probably try to use the basic layout from a PC/AT motherboard, and
> hand wire everything (so I don't have to fool around with etching
> chemicals).
> - I'd use the 8 MHz 8086 or 8088.
>
> If this would work at all, what performance would come out of it? Would it
> perform like an XT, a 286, a TRS-80, or what?
>
> My final question is another slight disagreement with my friend. He says
> that it would be possible to piggyback (like IBM did with the early AT RAM
> chips) a second 8-MHz 8088 onto the existing 8088 in an XT to make it 16
> MHz. I told him that I didn't think it would work.
> What exactly would happen if this was done? Would it run at 8 MHz? Would
> it run at 16 MHz, or something in-between? Would it speed up, slow down,
> melt down, or just fry everything?
>
> ThAnX,
> --
> -Jason Willgruber
> (roblwill_at_usaor.net)
> ICQ#: 1730318
> <http://members.tripod.com/general_1>
Received on Sat Nov 21 1998 - 19:51:04 GMT