Asus 90MB13H0-M0EAYC Manual page 12

12. Front panel audio header
This header is for a chassis-mounted front panel audio I/O module that
supports HD audio standard. Connect one end of the front panel audio
I/O module cable to this header.
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13. S/PDIF Out header
This header is for an additional Sony/Philips Digital Interface (S/PDIF) port.
Connect the S/PDIF Out module cable to this header, then install the module to
a slot opening at the back of the system chassis.
14. Speaker header
The 4-pin header is for the chassis-mounted system warning speaker. The
speaker allows you hear system beeps and warnings.
15. 10-1 pin System Panel header
This header supports several chassis-mounted functions.
• System power LED (2-pin +PWR_LED-)
This 2-pin header is for the system power LED. Connect the chassis
power LED cable to this header. The system power LED lights up when
you turn on the system power, and blinks when the system is in sleep
mode.
• Hard disk drive activity LED (2-pin +HDD_LED-)
This 2-pin header is for the HDD Activity LED. Connect the HDD Activity
LED cable to this header. The HDD LED lights up or flashes when data
is read from or written to the HDD.
• Power button/Soft-off button (2-pin PWR_BTN)
This header is for the system power button.
• Reset button (2-pin RESET)
This 2-pin header is for the chassis-mounted reset button for system reboot without
turning off the system power.
1-4
We recommend that you connect a high-definition front panel
audio module to this header to avail of the motherboard's high-
definition audio capability.
If you want to connect a high-definition front panel audio
module to this header, set the Front Panel Type item in the
BIOS setup to [HD Audio]. By default, this header is set to [HD
Audio].
AAFP
HD-audio-compliant
pin definition
SPDIF_OUT
SPEAKER
PIN 1
F_PANEL
+PWR_LED-
PIN 1
+HDD_LED-
Chapter 1: Product introduction
PWR_BTN
RESET