1984 (May)
Initially sold for ¥49,800
Expansion card to be mounted in the side slot of Yamaha MSX computers allowing the extension of the basic Katakana and Hiragana character sets already contained in the computer.
3564 characters built in, including level 1 Chinese, to be used with extra software on cartridge that requires full language support.
An even bigger set was available with the updated SKW05 card.