Keyboard, Mouse and other input devices cables and adapters scheme
This adapter will enable you to use a keyboard and mouse at the same time. For IBM Thinkpad computer, may work with other computers
Signal Keyboard Mouse
1 DAT1   1 (DATA)
2 DAT2 1 (DATA)  
3 GND 3 (GND) 3 (GND)
4 Vcc 4 (Vcc) 4 (Vcc)
5 CLK1   5 (CLK)
6 CLK2 5 (CLK)  

Works with an IBM ThinkPad 380E and others.

6 pin mini-DIN male (PS/2 STYLE) connector layout
6 pin mini-DIN male (PS/2 STYLE) connector
at the Computer
6 pin mini-DIN female (PS/2 STYLE) connector layout
6 pin mini-DIN female (PS/2 STYLE) connector
at the keyboard & mouse
According to 8 reports in our database (4 positive and 0 negative) this pinout should be correct.

Is this pinout
PS/2 Keyboard (IBM Thinkpad) Y adapter visual pinout:
PS/2 Keyboard (IBM Thinkpad) Y adapter diagram
click to enlarge
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