Date : Fri, 20 May 1983 15:47:23-PDT (Fri)
From : harpo!floyd!vax135!cornell!uw-beaver!tektronix!ogcvax!metheus!cdi!caf@ucb-vax.arpa
Subject: Re: Super Z89 (16 bit)
Relay-Version:version B 3/9/83; site harpo.UUCP
Message-ID:<184@cdi.UUCP>
Date:Fri, 20-May-83 15:47:23 EDT
I found some more information on the Super Z-89 board described in
<1435@sri-arpa.UUCP>. I have included that information as well.
HARDWARE
a. Plug in replacement for h89/z89 cpu. (NO modifications required)
b. DUAL cpus! (z80 and 8086) **** NOT 8085 as in Z-100; youe z80 prgs work!!
c. 128K ram standard, with sockets for 256K. memory bus for expansion to 1meg
d. 5 i/o slots
e. 2/4 mhz z80 speed, 8mhz for 8086 (Z-100 and IBMPC are ~ 5 mHz 8088)
f. FULLY compatible with ALL heath/zenith peripherals incl most ROMS
g. $1495, 8 weeks devlivery as of May 20 1983
h. Uses same amount of power as Z89 CPU board
i. Claimed slightly less RFI than stock Z89. FCC-wise, may be illegal to
sell but not to own.
SOFTWARE
a. runs all heath/zenith software with no mods
b. fully compatible with h/z100 (which makes it IBM compatible too.)
c. choice of MS-DOS or CP/M-86 for the 8086 #
d. supplied with diagnostic software package
e. "soft disk" feature allows for using ram as virtual disk.
f. supports multi-user/multi-tasking operating systems.
g. CDR systems is adapting system for their disk controller boards.
Z-100 programs that directly refrence the hardware may not work -CAF
Richard Fitzgerald <jazzy@aerospace.arpa (Richard Fitzgerald)>:
Now, I have seen this system perform, and it is quite nice.
Marc Brooks (CDR systems) likes the board except for the i/o pins
(that mount the i/o cards) which are too short and not gold plated.
According to Rumor Control, Microsoft is unwilling to sell MS-DOS to TMS
because TMS is advertising CP/M-86 also.
Technical Micro Systems, Inc.
P.O. Box 7227, Dept. H
(366 CloverDale)
Ann Arbor, Michigan 48107
(313) 994-0784
Chuck Forsberg, Chief Engr, Computer Development Inc.
6700 S. W. 105th, Beaverton OR 97005 (503) 646-1599
cdi!caf RCPM 503-621-3193
*** CP/M MSDOS Unix are registered trademarks.
--
Chuck Forsberg, Chief Engr, Computer Development Inc.
6700 S. W. 105th, Beaverton OR 97005 (503) 646-1599
cdi!caf