Connecting USB-mouse to PS/2 connector of computer. It works only with device which supports both interfaces (USB & PS/2).
Name USB Pin
Number Direction Usb Color PS/2 mouse controller Pin
Number PS/2 mouse controller Pin
Name Description PS/2 Color
VDC +5V 1 <-- Red 4 VDC +5V Red
Data- 2 -?- White 1 Data White
Data+ 3 -?- Green 5 Clock Brown
Ground 4 -?- Black 3 Ground Black
It's good practice to pull up data/clock lines with some resistors of 10k or so. Especially when connecting to newer motherboards. In some cases signal has levels between 1.5 and 2.5 volts, and mouse don't work. Pulling up helps in that situations and doesn't harm if unnecessary.
si n o funciona es por que el mouse no es compatible