Pinout for SED9421
shoppa_classiccmp at trailing-edge.com
Fri Nov 25 15:56:16 CST 2005
"Peter C. Wallace" <pcw at mesanet.com> wrote:
> On Fri, 25 Nov 2005, woodelf wrote:
> > Allison wrote:
> >> Either that a Dflop(74LS74), hex D-latch(74LS174) and 32x4 prom(74LS288).
> > Just for the heck of it, got a schematic and a prom listing?
> > Did anybody ever use a serial chip and a data separater
> > rather than a floppy disk controler?
> Heathkit did with their H89 hard sectored floppy controller....
> Peter Wallace
Also Ohio Scientific, I think that was with an async UART? (Don't
know for sure, but I do know the best way to get the correct information
is to post incorrect information!)
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