Asus P5WDG2 WS Professional User Manual page 57

15. External SATA port. This port connects to an external SATA box or a
Serial ATA port multiplier.
The external SATA port
supports external Serial ATA
1.5 and 3 Gb/s devices. Longer
cables support higher power
requirements to deliver signal
up to two meters away, and
enables improved hot-swap
function.
Do not insert a different
connector to this port.
16. Optical S/PDIF Out port. This port connects an external audio output
device via an optical S/PDIF cable.
17. Coaxial S/PDIF Out port. This port connects an external audio output
device via a coaxial S/PDIF cable.
18. PS/2 keyboard port (purple). This port is for a PS/2 keyboard.
ASUS P5WDG2 WS Professional/P5WDG2 WS PRO/WiFi-AP 2-31