Model 4 Non-Gate Array FreHD Autoboot EPROM (U70/2716) Version:Gen 2 - U68/8048364 infamous for its inherent unreliability

infamous for its inherent unreliability and has multiple potentiometers which are used to calibrate various delay and timing features of the disk-side interface

This is an ENIG print of a TRS-80 Color Computer 2 [26-3134B / 26-3136B] motherboard based on "Service Manual: TRS-80 Color Computer 2 NTSC Version (Catalog Number: 26-3134B/26-3136B)" It should be a drop in replacement for the 36-3134B and 26-3136B

and close it to enable double-sided media

giving you storage capacity that your 1970s-80s machine could only dream about

Model 4 Non-Gate Array FreHD Autoboot EPROM (U70/2716) Version:Gen 2 - U68/8048364 infamous for its inherent unreliabilityThis EPROM is required if you're interested in being able to boot your FreHD automatically when starting the machine. It is supplied on a 2716 EPROM which can be installed straight into the machine. Only one chip is included with each order. (We are charging only for the EPROM (nationally sourced) and the programming, not the code. The code and instructions are freely available from "The Right Stuff" and used as such)