Tandy PC-4

A clon of the PB-100F

Find it on

RAM : 1568 / 1568 steps with Radio-Shack TRS-80 for PC-4 module.

This is not a PB-100 as it has at least the S+EXE combination and STR$ function,

The 1k extension memory



On floodgap.com
The manual of the TANDY TRS 80 PC4 (english)

The owner's manual (english)

Picture from an italian blog (http://www.danilopalermo.it)

Radio Shack catalog 1990 :

Credit : rinsize (rynkia.com)