Date   : Mon, 20 Sep 1982 0929-:00EDT
From   : Chuck Perilli <PERILLI@Afsc-Hq>
Subject: Re: I don't know anything about the disks, but since you have been

I've used a Decision I with 256K RAM, a 10MB Winchester and 1 floppy
running an early version of Micronix.  Micronix is a fair facsimile
of Unix ver 6, but extremely slow.  The CP/M emulator is even slower;
practically unuseable.  I would estimate it runs at about 20%-25% the
speed of native CP/M.  You set up Unix directories which appear as
logical drives to the CP/M emulator.  This is a nice setup except that
the file structure is not CP/M compatible.  You cannot read a CP/M disk
under the emulator.  You must first run a utility that will convert the
files/programs you wish to use to Micronix format, and then run them
under upm (the CP/M emulator).

The system is much more pleasant to use in "Unix mode", but still
annoyingly slow.  I just don't think a Z80 can hack a Unix type
operating system.

In all fairness to Morrow, it was a preliminary release of Micronix
I used.  They claim the performance of the current version has been
improved dramatically.  Some new ROMS and other minor hardware mods
are included in the new version to beef up performance.  Also, from
a hardware standpoint, I really like the Decision I.  I've been
using a 64K CP/M setup for a couple of months, and it's been 100%
solid.  

---Chuck