Yamaha SKW-05
This page was last modified 01:15, 17 December 2021 by Mars2000you. Based on work by Gdx.



The module SKW-05 is a Kanji Word Processor Unit with disk support for MSX1 and higher computers.

It was made and sold by Yamaha and includes

  • a 48kB ROM with the application that can be launched with CALL JWP or _JWP
  • a 32kB ROM with a Kanji Dictionary
  • a 2kB SRAM
  • a non-standard 128kB Kanji-ROM (JIS1) with 3979 characters
  • a switch at the top with the indication "MEMORY POWER" (probably to enable/disable the SRAM)

Extra characters, words and short sentences can be saved on the SRAM. This module is built-in in the YIS-805 computer.

It can be used with the YRK-50 cartridge, that has a Kanji dictionary of 56355 words.

Official price: ¥49,800



Yamaha SKW-05
Yamaha SKW-05 underside