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Last modified 2026-02-02

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Tandy / Radio Shack TRS-80 Model 100

A picture of Tandy / Radio Shack TRS-80 Model 100

SPECIFICATIONS

GENERAL
Type:8-bit home computer
CPU:Intel 80C85 @ 2.4 MHz
Operating system(s): Microsoft Basic 80 (N82 version)
A terminal program + some simple business programs is also included
Memory:ROM: 32 KB
RAM: 8 or 24 KB (Expandable to 32 KB or more)
Power supply:6 VDC (Four R6/AA batteries)
or 6 VDC external
Current drain / power consumption:Max 180 mA
Dimensions (W*H*D):300*215*50 mm (11.81*8.46*1.97")
Weight:1.4 Kg (3.09 lb)




I/O
Keyboard:Integrated
Graphics: Text: 40*8 characters
240*64 pixels
Optional CRT video adapter
Audio:
Storage: Tape recorder
Optional TPDD (100 KB) or TPDD2 (200 KB) disk drive
Optional 5.25" floppy
External I/O ports / connectors:
Modem:   ? (300 bd)
Serial port:   ?
Parallel:   ? (Centronics)
Tape I/O:   ?
Bar-code reader:   ?
Other:




MISCELLANEOUS
Manufactured:Japan (By Kyocera), 1983-198x (Discontinued)
Additional info:
Related documents:
Modifications and fixes:
Notable "ham" software: Realtime moontracking - By GM4JJJ (SK)
Reviews:
Some options / Accessories:
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An inside picture of Tandy / Radio Shack TRS-80 Model 100