Asus M4A78 PLUS - Motherboard - ATX - Page 38

7. Optical drive audio in 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.
CD
Left Audio Channel GND GND Right Audio Channel
M4A78 PLUS
M4A78 PLUS Internal audio connector
8. Digital audio connector (4-1 pin SPDIF_OUT)
This connector is for an additional Sony/Philips Digital Interface (S/PDIF) ports.
SPDIF_OUT
+5V SPDIFOUT GND
M4A78 PLUS
M4A78 PLUS Digital audio connector
Ensure that the audio device of Sound playback is Realtek High Denition Audio (the
name may be different based on the OS). Go to Start > Control Panel > Sounds and
Audio Devices > Sound Playback to congure the setting.
The S/PDIF module is purchased separately.
9. LPT connector
The LPT (Line Printing Terminal) connector supports devices such as a printer. LPT
standardizes as IEEE 1284, which is the parallel port interface on IBM PC-compatible
computers.
M4A78 PLUS
M4A78 PLUS Parallel Port Connector
PIN 1
LPT
STB#
PD0 PD1 PD2 PD3 PD4 PD5 PD6 PD7
ACK#
BUSY
PE
SLCT
AFD ERR# INIT# SLIN# GND GND GND GND GND GND GND GND
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