[Coco] disk controller chip

[Darren A]

On Tue, May 6, 2014 at 7:33 AM, Frank Swygert <farna at amc-mag.com> wrote:

>
> Note that the MB8877 and WD1773 are pin compatible -- they can be swapped.
> The MB8877 is a "work alike" of the WD1773 made by another company, I
> assume under license but could have been reverse engineered.


It was made by Fujitsu and is a work-alike, pin-compatible version of the
Western Digital FD1793. The notable difference is that it only requires a
5V supply whereas the 1793 requires 5V and 12V.

Darren