KX400+ series mainboard
35
S/PDIF (Sony/Philips Digital Interface) Connector:
SPDIF
S/PDIF (Sony/Philips Digital Interface) is a recent audio transfer file format which
provides high quality audio using optical fiber and digital signals. The devices
attached to the SPD-OUT and SPD-IN connectors should be S/PDIF compliant for
optimal effect.
Front Panel Audio Header: FRONT_AUDIO
If your computer case has been designed with audio equipment. You can attach
these components to the FRONT_AUDIO panel of the mainboard. First remove the
jumper caps covering the FRONT_AUDIO pins. Use pins 1, 3 to connect to the case
microphone, Use pins 9,5 to connect to the earphone. If you do not intend to use the
FRONT_AUDIO panel, do not remove the jumper caps.
Pin No. Assignment
Pin No.
Assignment
1
FP_MIC
2
GND
3
FP_VREF
4
+5V
5
SPOUT_R
(From IC)
6
SPOUT_R
(To Connector)
7
NC
8
NC
9
SPOUT_L
(From IC)
10
SPOUT_L
(To Connector)
SPDIF
Assignment
1 PWR
2 NC
3 SPD_OUT
4 GND
5 SPD_IN
If the jumper caps are in place, jumper cap 1 is on pin 5,
pin 6 and jumper cap 2 is on pin 9, pin 10.