Tandy TRS-80 Model 4 P

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The TRS-80 was Tandy Corporation's desktop microcomputer model line, sold through Tandy's Radio Shack stores in the late 1970s and early 1980s.

The Model 4P is a portable computer originally retailing for $1799, and is the transportable version of the TRS-80 Model 4. It weighed 26 pounds, the screen was black and white, which later changed to green.

There was only a small boot ROM in the machine, unlike the desktop model 4, which has a basic ROM installed, and unlike other models in the range, there was no cassette interface, as by now disk drives were the norm for portable machines.

A high resolution graphics card could be purchased separately.

Manufacturer: Tandy
Date: 1983

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Tandy TRS-80 Model 4 P Manuals:

Item	Manufacturer	Date
TRS-80 Colour Graphic Printer Manual	Radio Shack	Unknown
TRS-80 RS-232-C Interface Manual	Radio Shack	1978
The Electric Pencil for TRS-80 Operator's Manual	Small System Software	1978
TRS-80 Model III Disk System Owner's Manual	Tandy	1980
Instructions for Converting Specified Model I Programs for use on TRS-80 Model III	Radio Shack	Aug 1980
TRS-80 Model I/III Series 1 Editor Assembler	Radio Shack	1981
Trackcess 3.0 "Access to Tracks"	The Alternate Source	1981
TRS-80 Model III Technical Reference Manual	Tandy	1981
TRS-80 Model 100 Portable Computer Owners Manual	Radio shack	1983
Tandy TRS-80 Model 100 Quick Reference Guide	Tandy	1983
TRS-80 Model 4/4P Disk System Owner's Manual	Tandy	1983
TRS-80 Model III Hard Disk System Start-up Manual	Tandy	1984

Magazines RELATED to Tandy TRS-80 Model 4 P in our Library

Item	Manufacturer	Date
REM 80 - Volume 3, Issue 4	The North West TRS-80 USers Group	Unknown
REM 80 - Volume 4, Issue 2	The North West TRS-80 USers Group	Unknown
REM 80 - Volume 4, Issue 4	The North West TRS-80 Users Group	Unknown
REM 80 - Volume 5, Issue 2	The North West TRS-80 Users Group	Unknown
REM 80 - Volume 5, Issue 3	The North West TRS-80 Users Group	Unknown
REM 80 - Volume 5, Issue 4	The North West TRS-80 Users Group	Unknown
REM 80 - Volume 7, Issue 1	The North West TRS-80 Users Group	Unknown
REM 80 - Volume 6, Issue 5	The North West TRS-80 Users Group	Unknown
REM 80 - Volume 8, Issue 4	The North West TRS-80 Users Group	Unknown
REM 80 - Volume 9, Issue 4/5	The North West TRS-80 Users Group	Unknown
REM 80 - Volume 8, Issue 3	The North West TRS-80 Users Group	Unknown
REM 80 - Volume 11, Issue 1	The North West TRS-80 USers Group	Unknown
REM 80 - Volume 6, Issue 1	The North West TRS-80 Users Group	Unknown
REM 80 - Volume 7, Issue 4	The North West TRS-80 Users Group	Unknown
REM 80 - Volume 9, Issue 6	The North West TRS-80 Users Group	Unknown
REM 80 - Volume 6, Issue 3	The North West TRS-80 Users Group	Unknown
REM 80 - Volume 9, Issue 1	The North West TRS-80 Users Group	Unknown
REM 80 - Volume 9, Issue 2	The North West TRS-80 USers Group	Unknown
Popular Electronics - October 1977		Oct 1977
Personal Computer World - August 1978		Aug 1978
Personal Computer World - September 1978		Sep 1978
Personal Computer World - October 1978		Oct 1978
Practical Computing - October 1978	ECC	Oct 1978
Practical Computing - November 1978	ECC	Nov 1978
Practical Computing - December 1978	ECC	Dec 1978
TRS-80 Computing - Volume 1, Number 1	Computer Information Exchange Inc.	1979
Practical Computing - July 1979	ECC	Jul 1979
Practical Computing - August 1979	ECC	Aug 1979
Practical Computing - September 1979	ECC	Sep 1979
Practical Computing - November 1979	IPC Electrical Electronic Press	Nov 1979
Practical Computing - January 1980	IPC Electrical Electronic Press	Jan 1980
Practical Computing - April 1980, Volume 3, Issue 4	IPC Electrical Electronic Press	Apr 1980
Personal Computer World - June 1980		Jun 1980
REM 80 - Volume 3, Issue 1	The North West TRS-80 USers Group	1981
REM 80 - Volume 3, Issue 3	The North West TRS-80 USers Group	1981
Personal Computer World - July 1981		Jul 1981
Personal Computer World - September 1981		Sep 1981
Your Computer - December 1981		Dec 1981
TRS-80 Microcomputer News Volume 1 Number 1	Radio Shack - Tandy	Jan 1982
TRS-80 Microcomputer News - Volume 1, Number 2	Radio Shack - Tandy	Feb 1982
Personal Computer World - May 1982		May 1982
Personal Computer World - December 1982		Dec 1982
REM 80 - Volume 5, Issue 5	The North West TRS-80 Users Group	1983
REM 80 - Volume 5, Issue 6	The North West TRS-80 Users Group	1983
REM 80 - Volume 6, Issue 2	The North West TRS-80 Users Group	1983
Personal Computer World - August 1983		Aug 1983
TRS-80 Microcomputer News October 1983		Oct 1983
Practical Computing - October 1983		Oct 1983
Call-A.P.P.L.E. - November 1983		Nov 1983
REM 80 - Volume 7, Issue 2	The North West TRS-80 Users Group	1984
REM 80 - Volume 6, Issue 4	The North West TRS-80 Users Group	1984
Personal Computer World - February 1984		Feb 1984
The War Machine Issue No. 25 - March/April 1984		Mar 1984
Personal Computer World - May 1984		May 1984
Byte May 1984		May 1984
Personal Computer World - August 1984		Aug 1984
Byte March 1984		Oct 1984
REM 80 - Volume 7, Issue 5	The North West TRS-80 Users Group	1985
REM 80 - Volume 8, Issue 1/2	The North West TRS-80 Users Group	1986

Catalogues RELATED to Tandy TRS-80 Model 4 P in our Library

Item	Manufacturer	Date
TRS-80 Applications Software Sourcebook Volume 2		Unknown
TRS-80 Applications Software Sourcebook Volume 3		1981
TRS-80 and Genie Software	Molimerx Ltd	1982

Other Systems Related To Tandy TRS-80 Model 4 P:

Item	Manufacturer	Date
Tandy TV Scoreboard	Tandy	1976
TRS-80 Microcomputer System Model I (26-1003)	Radio Shack - Tandy	1977
TRS-80 Color Computer	Tandy	1980
Tandy 102 Portable Computer	Tandy Radio Shack	1983
TRS-80 Colour Computer 2	Radio Shack Tandy	1983
Tandy TRS-80 Model IV	Tandy	1983
TRS-80 Model 102 Portable Computer	Tandy Radio Shack	1983
TRS-80 Model 100 Portable Computer	Tandy Radio Shack	April 1983
Tandy Color Computer 3 (CoCo 3)	Tandy	30th July 1986
Tandy 1000 EX Personal Computer	Tandy	December 1986
Tandy 1400 Professional Computer LT	Tandy	1987
Tandy 1000 HX Personal Computer	Tandy	1987
Tandy 1100FD Laptop Computer	Tandy Radio Shack	November 1989