Asus P5SD2-A - Manual (Page 39)

ASUS P5SD2-A 1-27
7. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports
are available for connecting USB 2.0 devices.
8. USB 2.0 ports 3 and 4. These two 4-pin Universal Serial Bus (USB) ports
are available for connecting USB 2.0 devices.
9. Serial port. This 9-pin COM1 port is for pointing devices or other serial
devices.
10. Serial port. This 9-pin COM1 port is for pointing devices or other serial
devices.
11. PS/2 keyboard port (purple). This port is for a PS/2 keyboard.
Audio 2, 4, or 6-channel configuration
Light Blue Line In Surround Out Surround Out
Lime Line Out Front Speaker Out Front Speaker Out
Pink Mic In Mic In Center/Bass
Port Headset 4-speaker 6-speaker
2-speaker