Keyboard, Mouse and other input devices cables and adapters scheme  > Elpina pinouts
motherboard Pin Pin
1 clk mouse clock
2 Vss electrical ground
3 nc no connection
4 data mouse data
5 nc no connection
6 nc no connection
7 nc no connection
8 Vcc +5vdc

according to a PDF file from a site dedicated to the ElPina/Mcompa/M571 motherboard the enclosed info shows how to connect a PS/2 mouse to the 8 pins on this main board near the keyboard input.

8 pin mini-DIN female connector layout
8 pin mini-DIN female connector
at the motherboard
According to 1 reports in our database (1 positive and 0 negative) this pinout should be correct.

Is this pinout
El Pina / M-Compa / M571 main board 8-pin mini-din PS/2 port visual pinout:
El Pina / M-Compa /  M571 main board 8-pin mini-din PS/2 port diagram
click to enlarge
Source(s) of this and additional information:
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