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  1. Mike Brixius

    PET 4032 Keyboard Circuit Board

    On my pet 4032 there are 3 or 4 keys, all in the lower left corner that are very unreliable. This is a Graphics Keyboard The stems are good and work perfectly in other positions (They read about 200 ohms) The board has continuity (I had to repair 3 of the overlay traces) Here's the rub, the...
  2. Mike Brixius

    Mystery Commodore DSP A-500 Power Supplies with Round Din-4 Connectors

    I got 2 of these power supplies in a collection last summer and had originally put them aside thinking they were replacement PSUs to go with REUs on the C64. Today I found the correct REU PSUs and noticed that these ones only puts out +5V, 4.5A and +12V, 1 Amp so they can't be for C64s with no...
  3. Mike Brixius

    Advice on Narrowing down bus contention on a C64

    I am working on a C64 that is , by far, the most difficult I have ever encountered. It is from a collection I bought this summer and was taken out of service by a school district in the early 90s and has been stored in an unoccupied work-shed ever since with no AC and little heat. It has a...
  4. Mike Brixius

    64 64s for restoration in 23

    I had the urge to get a picture of some of the many machines from the Stone Collection I rescued this summer. 64 C64s! My goal is to restore at least 40 by the end of next year. all 64 would be nice!
  5. Mike Brixius

    Interesting C64 fault

    While I'm waiting for the parts to come in for the pet i decided to get a ZIF-64 put together out of some old parts for my plan to fix 64 64s in 23 -- which, if you reverse the digits then double it is 64 -- Anyways i took a 250407 rev c that the original owner was using for parts. A lot of...
  6. Mike Brixius

    Pacific Northwest Store announcement and feedback request.

    When I bought the Stone collection I had no idea how much material I was getting into. Working in my shop feels like a game of Tetris so I needed to make some space! On top of that I had a REALLY bad experience with eBay last time I tried to sell something, so it is a buy only platform for me...
  7. Mike Brixius

    Starting my first Pet, a 4032 in desperate need of some love

    This machine came to me from a friend and my plan is for a full restoration. Since this is my first pet (And first post here after lurking for ages) I thought I should lay out my battle plan and see what the experts suggest It came from the Alameda Unified School District in California and has...
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