CPU Board
FDC
HDC
64KB RAM
64KB RAM
Video/Keyboard
CPU Board
FDC
HDC
64KB RAM
64KB RAM
Video/Keyboard
| TRS-80 Model II from 1981 | |
| CPU: | Z80A @ 4MHz |
| RAM: | 128KB |
| Floppy Drive: | 8" SS |
| Hard Drive: | 8MB |
| Model No.: | 26-4002 |
| Serial No.: | 64061581 |
| OS: | TRSDOS 2.0A, LS-DOS 6.3.1a or Pickles and Trout CP/M 2.2mH |
| Ports: | Two serial, printer, floppy, hard disk |
| Catalog Price: | $3899 System, $1750 Disk Bay |
| Notes: | Along with the system unit, I have the 3 drive expansion unit, part
number 26-4162. The system also has an after-market amber CRT installed.
The keyboard only had 5 working keys on it, as the foam
pads had disintegrated on all the others. Based on
this
article about rebuilding Sol 20 keyboards, I constructed new foam pad and mylar assemblies
using a Space Blanket, a strip of 3/16" track foam from the local hobby shop, the original
plastic backing discs from the keyboard, Elmer's Rubber Cement and a 7/16" hollow punch.
The keys are a little stiffer than the original, but they are 100% functional.
This system has the following boards installed:
|
