Toshiba HX-R700
This page was last modified 14:44, 13 January 2022 by Mars2000you. Based on work by Rderooy and Gdx.


The Toshiba HX-R700 is a RS-232C interface including a cartridge and a manual.

The cartridge has a DB-25 port on which a RS-232C cable can be attached.

The interface includes a ROM with RS-232C BASIC instructions and RS-232C BIOS 1.0.

The European and Argentinian versions are known as the HX-R700PE.

Brand Toshiba
Model HX-R700 / HX-R700PE
Year 1985
Region JP, Europe, Argentina
Launch price IT: L. 210,000
JP: ¥24,800
UK: £99
Package content HX-R700 cartridge
Owner's Manual
Emulation ROM dumped, but not yet emulated


Toshiba HX-R700
Toshiba HX-R700 back
Toshiba HX-R700 connector
Toshiba HX-R700 with manual
Toshiba HX-R700 PCB
Toshiba HX-R700 PCB bottom
Toshiba HX-R700PE box and content