[Coco] Need a FD 502 controller that can accept 28 pin roms

Darren A mechacoco at gmail.com
Wed Oct 13 01:24:22 EDT 2010

On 10/12/10, Little John wrote:
> The FD-501 drives will work with the FD-502 controller (or pretty much any
> coco controller). I may be mistaken, but I believe that the FD-502, although
> having a 28-pin socket, is still only wired for an 8K eprom and the
> additional address line will still need to be hacked into the socket with a
> jumper wire. Can anyone else confirm this?

The FD-502 will accept anything from a 2764 to 27512 without
modification.  For anything larger than a 2764, the code must be
programmed into the upper-most 8K of the device.


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