TRS-80 PC-4
| Description | |
| Manufacturer | Casio - OEM to Tandy/Radio Shack |
| Model | PC-4 |
| Date Announced | 1983 |
| Date Canceled | Unknown |
| Number Produced | Tens of thousands |
| Country of Origin | Japan |
| Price | $70 |
| Current Value | $10-$25 |
| Specifications | --- |
| Processor | HD 61913 CMOS |
| Speed | ~.5 MHz |
| RAM | 1K |
| ROM | 12K |
| Storage | |
| Expansion | Connectivity to docking station/expansion interface with printer, cassette, etc. |
| Bus | Proprietary |
| Video | |
| I/O | Cassette, Printer |
| OS Options | Built-in BASIC |
| Notes | The TRS-80 line of Pocket Computers were actually re-badged imports. In this case, the PC-4 was a re-branded Casio PB-100. |
| Related Items in Collection | TRS-80 Pocket Computer 3 and other TRS-80 systems. |
| Related Items Wanted | Docking station, software, etc. |
The TRS-80 PC-4 was one of the low-end pocket PCs offered by Radio Shack in the early 1980s. It was fully programmable in BASIC but had limited memory and display capabilities. Expanded with a docking station it had a small printer, micro-cassette and, potentially, a bit more RAM.
The PC-4 in my collection was generously donated by Steven Pigeon