SOYO SY-P4I875P DRAGON 2 V1.0 User Manual page 35

Hardware Installation
1. Onboard Serial Ports COMA/COMB
External peripherals that use serial transmission scheme include:
serial (RS232) mice
modem
Plug the serial device cables directly into the COMA/COMB 9-pin male
connectors located at the rear panel of the Motherboard.
2. Parallel Port PRT
This parallel port is used to connect the printer or other parallel devices.
Plug the parallel device cable into the 25-pin female connector located at the
rear panel of the Motherboard.
3. PS/2 Keyboard
Plug the keyboard jack directly into the 6-pin female PS/2 keyboard
connector located at the rear panel of the Motherboard.
4. PS/2 Mouse
Similarly, plug the mouse jack directly into the 6-pin female PS/2 mouse
connector.
Pin6
NC
Pin4
VCC
Pin2
NC
Pin6
NC
Pin4
VCC
Pin2
Mouse DATA
NC
30
SY-P4I875P DRAGON 2 V1.0
Pin5
KBD Clock
Pin3
GND
Pin1
KBD DATA
Pin5
Mouse Clock
Pin3
GND
Pin1