[Coco] Is this really a hard disk controller?
Art Flexser
flexser at fiu.edu
Thu Jan 29 21:12:00 EST 2009
No, the HDS definitely has one 24-pin and one 28-pin socket; the 28-pin one can
be jumpered, if desired, to accept a 24-pin ROM.
Perhaps you are counting pins on the chip that is plugged into it, rather than
the socket itself.
Art
On Thu, 29 Jan 2009, Darren A wrote:
> On 1/29/09, Art Flexser wrote:
> > Yes, it's a floppy controller, capable of accommodating either a 24-pin or a
> > 28-pin EPROM.
>
>
> Close examination of the photo reveals that both ROM sockets are 24 pin.
>
> This doesn't look like other HDS floppy controllers I have seen. The
> board doesn't have a solder mask. The FDC chip is a Fujitsu MB8877A.
> Some kind of prototype maybe (possibly even High Density)?
>
>
> Darren
>
>
> --------
>
>
> > On Thu, 29 Jan 2009, Steven Hirsch wrote:
> >
> >> Hard Drive Specialist disk controller:
> >>
> >> eBay auction 310119084347
> >>
> >> I seem to recall that this is actually a floppy controller. Can't find a
> >> mention of it in Google. Anyone know for sure?
> >>
> >> Steve
>
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