"CP/M compatible" vs. "MS-DOS Compatible" machines?

[Fred Cisin]

On Sat, 2 Feb 2008, Roy J. Tellason wrote:
> I believe the H-8 did indeed have a ROM at low memory.  Never worked with that
> machine,  though.  There were also some TRS-80 boxes that I seem to recall
> having a need of a special version of CP/M as well.

Models 1 and 3
FMG distributed a relocated CP/M.

Various companies (Omicron, Parasitic Engineering, etc.) sold hardware
solutions to remap the ROM.  and also add 8" support