Memotech Limited MTX 500, Service Manual

Page: 7 / 78

3
Graphics Facilities
Up to 32 independently controllable user definable
sprites, plus pattern plane and backdrop plane.
High level sprite-orientated graphics commands.
Input/Output
Provided as standard:
1. CASSETTE PORT (variable rate, up to 2 400 baud)
2. UNCOMMITTED PARALLEL INPUT/OUTPUT PORT
3. TWO JOYSTICK PORTS with industry standard pin-
outs
4. FOUR CHANNEL SOUND UNDER SOFTWARE CONTROL -
three independent voices plus pink noise output
through TV speaker, or through separate Hi-Fi
output
5. MONITOR OUTPUT - composite video signal (1V
peak to peak) CARTRIDGE PORT
6. PARALLEL PRINTER PORT (compatible with
Centronics-type printers)
Expansions
Up to two expansion boards may be added
internally. These may be Memory (RAM) Boards or
the Communications Board.
MEMORY BOARDS
RAM may be increased by the addition of boards
which provide 32K, 64K, 128K or 256K of memory, up
to a maximum of 512K.
COMMUNICATIONS BOARD
Available as an internal expansion, this board
carries two completely independent RS232
interfaces (running at up to 19 200 baud) with
full handshaking and modem communication lines,
and also the disc drive bus. The Communications
Board is required to run the FDX and HDX disc
based systems and the MTX Node/Ring System.
MTX Service Manual