The XP1541 adaptor

for Commodore 1541, 1570 and 1571 drives

You should follow these instructions if your drive already has a Commodore parallel cable and you want to make use of it. In this case, you'll have to build an adaptor, through which you can connect the cable to the PC parallel port.

Important notes


You need the following parts to build this adaptor:

Step 1. Create the direct connections on the board, between the user port edge and the parallel plug. You should have the following connections:

User port edge Parallel plug
C, PB0 2, Data 0
D, PB1 3, Data 1
E, PB2 4, Data 2
F, PB3 5, Data 3
H, PB4 6, Data 4
J, PB5 7, Data 5
K, PB6 8, Data 6
L, PB7 9, Data 7
A, GND 18-25, GND

To make the board single-sided, you may omit the GND connection.

Step 2. Solder and then glue the board between the two pin rows of the parallel plug. The top side of the adaptor, the one with the circuitry, should be leveled with the longer side of the parallel plug, the one with 13 pins.

Circuit diagram

[XP1541 adaptor]

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

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