Asus P5E3 Premium/WiFi-AP@n - Manual (Page 62)

2-36 Chapter 2: Hardware information
10. Optical drive audio connector (4-pin CD)
This connector allows you to receive stereo audio input from sound sources
such as a CD-ROM, TV tuner, or MPEG card.
11. Digital audio connector (4-1 pin SPDIF, for ASUS HDMI VGA card)
This connector is for an additional Sony/Philips Digital Interface (S/PDIF)
port(s). If you are using ASUS HDMI-equipped graphics card, connect the
HDMI card to this connector with a S/PDIF out cable.
The ASUS HDMI-equipped graphics card and S/PDIF out cable are purchased
separately.
P5E3 PREMIUM
®
P5E3 Premium/WiFi-AP @n
Internal audio connector
CD
Right Audio Channel
Left Audio Channel
Ground
Ground
P5E3 PREMIUM
®
P5E3 Premium/WiFi-AP @n
Digital audio connector
+5V SPDIFOUT GND
SPDIF_OUT