Asus M4A78LT-M LX User Manual page 36

6. Digital audio connector (4-1 pin SPDIF_OUT)
This connector is for an additional Sony/Philips Digital Interface (S/PDIF) port.
M4A78LT-M LX Digital audio connector
Ensure that the audio device of Sound playback is Realtek 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.
7. 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.
M4A78LT-M LX
M4A78LT-M LX Speaker Out Connector
1-26
M4A78LT-M LX
SPDIF_OUT
SPEAKER
PIN 1
Chapter 1: Product introduction