CMD CQD-200/T questions

[Sridhar Ayengar]

Eric Smith wrote:
> 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.

I don't know about the /M, but the /MT definitely can.  Just shows up as 
a regular disk.

Peace...  Sridhar