Overview
In this thread, we will discuss and document extended mode in the 1-bit video on a second display to the 128k, 512k, Plus, SE, SE30, Classic, and Classic II. The goal is to develop a driver, INIT, and CDEV working with related hardware.
It would be good that this would be open-source...
I do a little bit of work on compact mac logic boards and found I needed a convenient way to power them up and get video without fussing with a case, so I made this adapter which allows me to use an ATX power supply and an RGBtoHDMI.
Referring to the schematics for the 512k, you will see the...