TRS-80 Model 4 Gate Array FreHD Autoboot ROM (2764) chips-and-bits to either a cassette for

to either a cassette for loading/saving or have audio input and output

C1 10uF 50v C2 4

This EPROM is required if you're interested in being able to boot your FreHD automatically when starting the machine

PIC18F2458*DIP28

TRS-80 Model 4 Gate Array FreHD Autoboot ROM (2764) chips-and-bits to either a cassette forThis EPROM is required if you're interested in being able to boot your FreHD automatically when starting the machine. It is supplied on a 2764 EPROM which requires soldering wires to various points on your TRS 80 motherboard. There are no trace cuts, only soldering. If you need to reverse it out, just remove the chip and clip the wires. Only one chip with wires and instructions is included with each order. (We are charging only for the EPROM