Archive / March, 2009

The first Composite Video Adapter

The first PET composite video mixer is built and works well. Note that this post was copied from the old 6540rom.com. The publication date has been modified to reflect the original posting date.  

The first 6540 ROM adapter

The first 6540 ROM adapter is built and it works perfectly! It is about 0.4″ taller than the old chip which is slimmer than my first calculations. A lot more info is coming soon. Note that this post was copied from the old 6540rom.com. The publication date has been modified to reflect the original posting […]

The story of my PET 2001-8

I have been interested in vintage computers for years, and I have a large collection of Apple II hardware, but I had never ventured into the world of the PET. Hardware was just too expensive. Then, in the winter of 2009 I remembered that a family friend had given me the main board, upper case […]