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SECTION 10 fUNCTIONAL SPECifiCATION
10.1 GENERAL
The following information is valid for all M-THREE systems unless
otherwise stated:
10.2 PROCESSOR:
Z80 (2.5Mhz 8-bit)
10.3 MEMORY:
64K Bytes Dynamic RAM
2K Bytes Bootstrap Loader PROM
*
2K Bytes Winchester Drive Handler PROM
*
M-THREE/300 series systems only
10.4 INTEGRALDISPLAY MONITOR:
24 Rows of 80 Characters -
7
x
10 cell,
5
x
7 character,
5
x
9 with true descenders.
Upper/Lower Case Characters
Reverse Video
Blinking Cursor
10.5 KEYBOARD:
Standard 'QWE RTY' cluster
Numeric Pad
31 Special Function Keys
Cursor Keys
10.6 INTERfACES:
Centronics Parallel Printer Port
RS232 and 20mA Current Loop Serial Port
General
Purpose
Interface
Bus
(GPI B)
- (optional)
[Tal kerf Listener/Controller]
10-1
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