User’s Manual

1-4
Chapter 1: Product introduction
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
This 4-pin connector is for the chassis-mounted system warning speaker. The
speaker allows you to 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ashes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.
SPDIF_OUT
+5V
SPDIFOUT
GND
+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