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Chapter 2 Hardware Installation
Chapter 2
S/PDIF Connector
The S/PDIF connector is used to connect an external S/PDIF port. Your S/PDIF port may be
mounted on a card-edge bracket. Install the card-edge bracket to an available slot at the rear
of the system chassis then connect the audio cable to the S/PDIF connector. Make sure pin 1
of the audio cable is aligned with pin 1 of the S/PDIF connector.
1
5
+5V Ke
y
SPDIF
out
Gr
ound
SPDIF
in
The SMBus (System Management Bus) connector is used to connect SMBus devices. It is a
multiple device bus that allows multiple chips to connect to the same bus and enable each one
to act as a master by initiating data transfer.
SMBus Connector
SMBus
1
2
5
6
GND
+3.3V_standby
SMBUS_Data
SMBUS_CLK
NC
SMBUS_Alert#
S/PDIF
