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