Yamaha CX7M/128

Music Computer

Yamaha CX7M/128 MSX2 computer

1985
Original price unknown

The Yamaha CX7M/128 music computer is the successor of the CX5M line of MSX computers, now featuring one extra cartridge slot and full MSX2 standard compatibility, aimed at the Japanese music production market (hence the Japanese keybaord). As the name implies, it has 128kB of RAM and 128kB of VRAM, and features a pre-installed SFG05 module.

It was also sold under the YIS brand as the YIS604/128 without the music capabilities or as the CX7/128 without the SFG05 module.

Yamaha CX7M/128, FB01, FD05 and mouse
Yamaha CX7M/128, FB01, FD05 and mouse

Technical
specifications

Computer

MSX BASIC v2.0
3.58 MHz Zilog Z80 CPU
128 kb RAM, 128 kb VRAM, 32 kb ROM

Tone generator

YM2149 integrated in MSX-Engine S3527
SFG-05: FM tone generator (4 operators, 8 algorithms)

Simultaneous note output

Polyphonic: 8 notes
Monophonic: 1 note

Connection terminals and interfaces

2 cartridge slots
Expander port
Printer connector
Joystick port 1, Joystick port 2
Tape interface
Video RF output, video composite output, RGB output
Output L, Output R
Music keyboard connector
MIDI IN, MIDI OUT

External
links