TRS-80 Model 4P

 
 
TRS-80 Model 4P from 1983

CPU: Z80A @ 4MHz
RAM: 128KB
Floppy Drives: 2 half height DSDD (Teac FD-55BR)
Display: 9" green CRT
Model No.: 26-1080
Serial No.: 015281
Ports: serial, Centronics parallel, system bus
OS: LS-DOS 6.0.1, Montezuma Micro CP/M 2.25
Catalog Price: $1799 System, $249 graphics upgrade
Notes: This system has option 26-1126 installed, which is a high resolution graphics board (640x240). I swapped out the original white CRT (M24-302W/P) for a green one (M24-302GH/P). I also replaced the single-sided drives with a pair of Teac FD-55BR double-sided drives.


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Last updated on Wednesday, February 16, 2022