Yamaha UDC-01
This page was last modified 21:32, 9 December 2021 by Mars2000you. Based on work by Rderooy and Grauw and others.


The Yamaha UDC-01 Data Memory is a data cartridge identical to the Sony HBI-55. It is used to store the data of your SFG musical creations when using most of the software released for this soundchip. It's especially conceived for the following Yamaha computers, as they have built-in the SFG module:

The data is saved onto 4kB SRAM (Static RAM) and a little battery preserves it when the computer is off.

Brand Yamaha
Model UDC-01
Year 1984
Region JP, Europe
Launch price JP: ¥9,800
NL: ƒ 315
Package content
Emulation Not emulated, but identical to the Sony HBI-55 which is.


Yamaha UDC-01 box
Yamaha UDC-01 cartridge

External Links