Asus M4A78L-M LE - Manual (Page 40)

7. Digital audio connector (4-1 pin SPDIF_OUT)
This connector is for an additional Sony/Philips Digital Interface (S/PDIF) port.
Ensure that the audio device of Sound playback is VIA High Definition Audio (the name
may be different based on the OS). Go to Start > Control Panel > Sounds and Audio
Devices > Sound Playback to configure the setting.
The S/PDIF module is purchased separately.
SPDIF_OUT
+5
V
SPDIFOU
T
GND
M4A78L-M LE
M4A78L-M LE Digital audio connector
8. Speaker connector (4- pin SPEAKER)
This 4-pin connector is for the chassis-mounted system warning speaker. The speaker
allows you to hear system beeps and warnings.
+5
V
GN
D
GN
D
Speaker Out
SPEAKER
PIN 1
M4A78L-M LE
M4A78L-M LE Speaker Out Connector
Chapter 1: Product introduction 1-28