> One mistake though.  You needed at least 32k for
disk operations on a
 > TRS-80 Model 1, not 16k (-: 
On Sat, 4 Aug 2012, Tony Duell wrote:
  When I upgrded to disks I filled all the sockets in
the EI (4116s were
 relatively cheap by then) so I never tried it with anythiog other than 48K. 
Although it was theoretically possible to run TRS-DOS 2.0 and  2.1 in 16K,
[would Micro-DOS, APR-DOS, DOS-PLUS, NEWDOS, VVTOS, L-DOS fit in 16K?],
there are no confirmed reliable reports of anybody ever doing so.
Well, except for people who paid RS prices for their 4116s, and how
reliable are they?