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S > SHARP  > MZ 2800   

MZ 2800

Successor and enhanced version of the MZ 2500. It is based on 80286 CPU but is also equiped with a Z80B to keep comptability with the MZ 2500.

It has almost the same characteristics but has a HDD port and MIDI input/output ports. The ROM is big: 64 KB for IPL, 256 KB full of 2965 JIS 1st level chinese characters + 3388 JIS 2nd level chinese characters + 535 non chinese characters, and even a 256 KB dictionary!

The specifications listed below are those of the MZ-2861, it may differ from the original 2800...

More info needed!

NAME  MZ 2800
TYPE  Pocket
YEAR  ? 1987
KEYBOARD  Full-stroke keyboard with function keys and numeric keypad. 105 keys. JIS standard
CPU  Zilog Z80B (6 Mhz) & Intel 80286 (8 Mhz)
SPEED  Optional 80287
RAM  768 KB (up to 6 MB)
VRAM  512 KB + 14 KB (PCG)
ROM  64 KB (IPL) + 256 KB (Kanji/chinese characters) + 256 KB (dictionary)
TEXT MODES  40 X 25/20/12, 80 x 25/20/12
GRAPHIC MODES  320 x 200 / 640 X 200 / 640 x 400
COLORS  65536 (number of displayable colors simultaneously changes according the VRAM size). With 128 KB : 320 x 200 = 256 or 16, 640 x 200 = 16 and 640 x 400 = 4
SOUND  FM & PSG, 3 channels, 8 octaves
SIZE / WEIGHT  Main unit: 350 x 345 x 130 mm / 8.1 Kg
Keyboard: 410 x 196 x 38 mm / 1.5 Kg
I/O PORTS  5 expansion bus (two for 2800 mode and three for 2500/2800 mode), Centronics, 2 x joystick ports, RS-232, Mouse, Tape, Sound input/output
BUILT IN MEDIA  two 3.5'' disk-drives
POWER SUPPLY  Built-in PSU, AC100V 50/60Hz, 50W

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