TANDY RADIO SHACK
TRS-80 model 4P
In october 1983, Tandy Radio Shack announces the "transportable" TRS-80 Model 4P, for US$1800.
4-MHz Zilog Z80A CPU
64KB RAM
Two 5.25-inch floppy drives capable of storing 180k per side
9" monochrome screen 80x24
1. Parallel
1. I/O Bus
1. RS232C serial.
The operating system was TRS-DOS 6.0 to 6.2, LS-DOS 6.3.
The back of the model 4P
Click here for a brief history of Radio Shack Computers.
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