Family Computer Disk System

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ROMIcon.png Family Computer Disk System
Disk System.jpg
A Disk System with its RAM Adapter.
Manufacturer(s) Japan Nintendo
Release Date(s) Japan 1986-02-21
CPU(s) Ricoh RP2C33
Sound chip(s) RP2C33 (internal), NES APU (external)
Music section Family Computer Disk System

ROMIcon.png RP2C33
FDS sound processor
Manufacturer(s) Ricoh
Designer(s) Ricoh, Nintendo
Release Date(s) 1986
Type(s) Wavetable
Amount of channels 1 (mono)
Amount of voices 1
VGM support since 1.61

Family Computer Disk System Family Computer Disk System (ja:ファミリーコンピュータ ディスクシステム) MESS System Driver famicom, Famicom Disk System, Disk System, FDS or even FCD, is an add-on for the Family Computer, created and released (only in Japan) by Nintendo in 1986.

Launch titles



The FDS adds a 64-step wavetable channel to complement the 5 channels of the Famicom's RP2A03 PSG. This channel can be frequency modulated with a user-supplied modulation table.

VGM Scene


You can only log VGMs that use the FDS PWM in NEZplug++/play++ modded by ValleyBell. You can play them only with the latest build of in_vgm / VGMPlay. No VGM Players are available for the Famicom Disk System.

External links