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Last modified 2026-02-13

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Memotech RS128

A picture of Memotech RS128

SPECIFICATIONS

GENERAL
Type:8-bit home computer
CPU:Zilog Z80A @ 4 MHz
Operating system(s):MTX BASIC (MTX-Noddy and CP/M options)
Memory:ROM: 24 KB
RAM: 128 KB
Power supply:220-240 or 110-115 VAC (Separate PSU)
Current drain / power consumption:? W
Dimensions (W*H*D):486*57*203 mm (19.13*2.24*7.99")
Weight:2.6 Kg (5.73 lb)




I/O
Keyboard:Integrated 79-key
Mechanical full-travel keys
Graphics: TMS9929A (PAL) or TMS9928A (NTSC) with 16 KB VRAM
Text: 40*24 characters
Max 256*192 pixels, 16 colors including transparent
32 sprites
Audio: SN76489A
3 channels, 6 octaves and pink noise
Storage: Tape recorder (2400 bd)
Optional floppy and hard drives
External I/O ports / connectors:
Parallel port:   ?-pin (Centronics)
Joystick ports:   Two ?
Data/cartridge I/O:   ?-pin edge connector
Tape I/O:   ?
RF out:   ?
Video out:   ? (Composite)
Audio out:   ?
Generic I/O:   ?-pin DIL socket
RS-232C ports:   Two ?-pin
Other:




MISCELLANEOUS
Manufactured:1984-1985 (Discontinued)
Additional info: Introductory price 1984 in the UK: £399.00
Related documents:
Modifications and fixes:
Notable "ham" software:
Reviews:
Some options / Accessories:
DMX80
FDX
HDX
HRX
?
Printer
Floppy disk expansion unit
Hard disk expansion unit
Hi-resolution graphics adapter
80*24 column and teletext video card