User’s Manual

1-5
13. Front Panel Audio header
The Front Panel Audio header is for a chassis-mounted front panel audio I/O
module that supports HD Audio. Connect one end of the front panel audio I/O
module cable to this header.
We recommend that you connect a high-denition front panel audio
module to this header to avail of the motherboard’s high-denition audio
capability.
14. S/PDIF Out header
The S/PDIF Out header allows you to connect the Sony/Philips Digital
Interface (S/PDIF) Out module.
The S/PDIF module is purchased separately.
15. Speaker header
The Speaker header allows you to connect the chassis-mounted system
warning speaker. The speaker allows you to hear system beeps and warnings.
16. System Panel header
The System Panel header supports several chassis-mounted functions.
System Power LED header (+PWR_LED-)
The 2-pin header allows you to connect the System Power LED. The
System Power LED lights up when the system is connected to a power
source, or when you turn on the system power, and blinks when the
system is in sleep mode.
Storage Device Activity LED header (+HDD_LED-)
The 2-pin header allows you to connect the Storage Device Activity LED.
The Storage Device Activity LED lights up or blinks when data is read
from or written to the storage device or storage device add-on card.
Power Button/Soft-off Button header (PWR_BTN)
The 2-pin header allows you to connect the system power button. Press the power
button to power up the system, or put the system into sleep or soft-off mode
(depending on the operating system settings).
Reset button header (RESET)
The 2-pin header allows you to connect the chassis-mounted reset button. Press the
reset button to reboot the system.
AAFP
AGND
NC
SENSE1_RETUR
SENSE2_RETUR
PORT1 L
PORT1 R
PORT2 R
SENSE_SEND
PORT2 L
HD-audio-compliant
pin definition
SPDIF_OUT
+5V
SPDIFOUT
GND
PIN 1
+5V
GND
GND
Speaker Out
SPEAKER
PIN 1
PIN 1
PWR_BTN
PWR_LED+
PWR_LED-
PWR
GND
HDD_LED+
HDD_LED-
Ground
HWRST#
(NC)
F_PANEL
+PWR_LED-
+HDD_LED- RESET
VBUS
TX1+
TX1-
GND
RX1+
RX1-
VBUS
CC1
NC
NC
CC2
D+
D-
GND
RX2-
RX2+
GND
TX2-
TX2+
VBUS
VBUS
TX1+
TX1-
GND
RX1+
RX1-
VBUS
CC1
NC
NC
CC2
D+
D-
GND
RX2-
RX2+
GND
TX2-
TX2+
VBUS
EX-B650M-V7