Toshiba HX-R703
This page was last modified 13:40, 24 May 2021 by Mars2000you. Based on work by Rderooy.


The Toshiba HX-R703 is a kit version of the HX-R700 RS-232C interface, designed for the HX-34 computer.

This computer has a location for this interface and a ROM with RS-232C BASIC commands and RS-232C BIOS 1.0.

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

Brand Toshiba
Model HX-R703
Year 1985
Region Japan
Launch price ¥18,800
Package content Kit
User's Manual
Emulation Not yet emulated


Toshiba HX-R703