National FS-CM800
This page was last modified 14:32, 13 January 2022 by Mars2000you. Based on work by Gdx and Rderooy.



The National FS-CM800 is a modem cartridge dedicated to 'The LINKS' network, with a speed of 1200 bps, released in November 1986. It is based on a specific protocol developed by EijiroTaki, president of Nippon Telenet.

It includes a 16kB ROM with a communication firmware. It is the same as The LINKS NT-190 and the Sanyo KA-MODEM-1 cartridges.

Brand National
Model FS-CM800
Year 1986-11
Region JP
Launch price ¥29,800
Package content
Emulation ROM dumped, but modem emulation not implemented in emulators



National FS-CM800 box


NGA - intro menu
NGA - main menu
NGA - login info screen
NGA - loading screen
NGA - letter screen
NGA - receiver screen