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B > BRITISH MICRO > Mimi 802 / 803 / 804   


BRITISH MICRO
Mimi 802 / 803 / 804

Nearly nothing is known about these obscure CP/M systems. The technical info is related to the Mimi 802, and the picture illustrates a Mimi 803...

_______________________

Mimi's at Leicester Polytechnic, by Rob Seaward:
I used one of these at Leicester Polytechnic around 1981/82.
We used to have a lab full of these for students - we were learning FORTRAN and were lectured by Roger Hutty who wrote a very good book in the subject.
I remember we used to boot the machine using a combination of keys (possible shift or control and B if I recollect correctly).
To ensure myself and a friend could always access a machine (particularly when we were close to assignment deadline) we swapped the V and B keys on the keyboard making the machine unuseable to any other student or for that matter the dumbfounded technicians.


We need more info about this computer ! If you designed, used, or have more info about this system, please send us pictures or anything you might find useful.

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I was a designer/engineer at British Micro from 1982. I think I worked on the ''803'' onwards. That one had text and graphics mono display modes as has been mentioned. The next ''804'' was text only but with a higher quality display than was common at the time. There was also an ''805'' machine with colour graphics, but that never got into production.

The machines shipped with ''OS/M'', a clone of the CP/M operating system, and had an optional hard drive. Compared with some 8-bit Z80 machines of the time (eg. the hobbyist ZX81) it was far superior, though at a cost as it was aimed at business. I believe it even outperfomed the original 8/16-bit IBM PC.

I can confirm that ''Mimi'' was the name of the owner''s daughter (born ''78).

          
Sunday 20th May 2018
Bart

I''ve actually got one but no discs, manuals or other bits. As far as I am aware the last time I connected it to a monitor it was working, about 3 years ago.

          
Friday 27th November 2015
Stan Brown (Leicester, UK)

we just got a mimi 803 - lots of manuals, software etc.

          
Thursday 10th September 2015
jim austin (uk)
Computer sheds

 

NAME  Mimi 802 / 803 / 804
MANUFACTURER  British Micro
TYPE  Professional Computer
ORIGIN  United Kingdom
YEAR  1981
KEYBOARD  Full stroke keyboard with 17 programmed function keys and a numeric keypad, 96 keys
CPU  Z80A
SPEED  4 Mhz
RAM  64 KB dynamic
ROM  Unknown
TEXT MODES  Unknown
GRAPHIC MODES  Unknown
COLORS  Unknown
SOUND  None
SIZE / WEIGHT  24 lbs
I/O PORTS  Full RS232C and Centronics parallel ports, Light pen socket
BUILT IN MEDIA  Two 5.25'' floppy disks, DS/DD,700 KB each
OS  OS/M operating system - fully CP/M compatible
POWER SUPPLY  PSU built-in
PRICE  Unknown


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