| 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. |