The 1541 parallel port

for Commodore 1541 drives

Important notes


You need the following parts to build this port:

Step 1. Solder one end of the cable right onto the VIA#1 periphery chip inside the drive.

Step 2. Cut a hole on the case of the drive, glue or screw the game port into it and solder the other end of the cable onto the port. You should have the following connections:

VIA#1 Game port
2, PA0 1
3, PA1 2
4, PA2 3
5, PA3 4
6, PA4 5
7, PA5 6
8, PA6 7
9, PA7 8
18, CB1 9
39, CA2 10

Circuit diagram

[Parallel port for 1541 drives]

You can find the description of all parts used on the diagrams at the legend page.

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