The XXH1541 cable combo

Important notes

Construction

First, create the parallel port for 1541 drives or the parallel port for 1570 and 1571 drives.

You need the following parts to build this cable:

Step 1. Solder one end of the 5-wire cable onto the DIN plug.

Step 2. Solder the other end of the 5-wire cable onto the parallel plug. These include the following connections:

DIN plug Parallel plug
2, GND 18-25, GND
3, ATN 1, Strobe
4, CLK 14, AutoFeed
5, DATA 17, SelectIn
6, RESET 16, Init

Step 3. Solder one end of the 8-wire cable onto the game plug.

Step 4. Solder those wires of the 8-wire cable, that don't go through a diode, on the other end of the cable onto the parallel plug. These include the following connections:

Game plug Parallel plug
1 13, Select
2 12, PaperEnd
3 10, Ack
4 11, Busy
not connected 18-25, GND

Step 5. Solder the remaining wires of the 8-wire cable through a diode onto the parallel plug. These including the following connections:

Game plug Parallel plug
5 6, Data 4
6 7, Data 5
7 8, Data 6
8 9, Data 7

The cathodes of the diodes should be pointing towards the pins in the right column of the table.

Step 6. Build the diode bridges between the appropriate pins of the parallel plug. These include the following connections:

Parallel plug Parallel plug
10, Ack 4, Data 2
11, Busy 5, Data 3
12, PaperEnd 3, Data 1
13, Select 2, Data 0

The cathodes should be pointing towards the pins in the right column of the table.

Circuit diagram

[XXH1541 cable combo]

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

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