CMD CQD-200/T questions

[Eric Smith]

Ian wrote:
> Is there any way to upgrade/convert this board into the /MT (disk/tape)
> version of the board? Is it just a simple EPROM replacement, or something
> more complicated/impossible?

AFAICT, the /MT has the same firmware as the /M and /T versions, but a
different address decode PAL.  I haven't tried to reverse-engineer
the PAL.

> In it's stock form, can this board work with a CDROM drive at all, or do I
> need the M or MT version for that?

The /T definitely won't talk to it.  I'm not sure about the /M or /MT.

Eric