8.Digital audio connector (4-1 pin SPDIF_OUT)

This connector is for an additional Sony/Philips Digital Interface (S/PDIF) port(s). Connect the HDMI module cable to this connector, then install the module to a slot opening at the back of the system chassis.

+5V

GND SPDIFOUT

M3A78-EM

SPDIF_OUT

M3A78-EM Digital Audio Connector

Ensure 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.

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.

 

 

 

LPT

 

 

GND GND GND GND GND GND GND GND SLIN# ERR# AFD

M3A78-EM

1

 

 

 

 

 

 

 

 

 

 

PD2

PD6 PD5

PE

 

PD1 PD0 STB#

PD4 PD3

SLCT BUSY ACK# PD7

M3A78-EM Parallel Port Connector

1-34

Chapter 1: Product introduction