Asus B75M-PLUS B75M-PLUS User's Manual - Page 25

B75M-PLUS System panel connector, B75M-PLUS Speaker Out Connector

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PLED+ PLEDPWR GND HD_LED+ HD_LED- Ground HWRST# (NC) 4. System panel connector (10-1 pin PANEL) This connector supports several chassis-mounted functions. F_PANEL PWR_LED PWR_BTN PIN 1 B75M-PLUS HDD_LED RESET B75M-PLUS System panel connector • System power LED (2-pin PWR_LED) This 2-pin connector is for the system power LED. Connect the chassis power LED cable to this connector. 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 connector is for the HDD Activity LED. Connect the HDD Activity LED cable to this connector. The IDE LED lights up or flashes when data is read from or written to the HDD. • ATX power button/soft-off button (2-pin PWR_BTN) This connector is for the system power button. • Reset button (2-pin RESET) This 2-pin connector is for the chassis-mounted reset button for system reboot without turning off the system power. 5. Speaker connector (4-pin SPEAKER) The 4-pin connector is for the chassis-mounted system warning speaker. The speaker allows you hear system beeps and warnings. SPEAKER B75M-PLUS PIN 1 B75M-PLUS Speaker Out Connector +5V GND GND Speaker Out ASUS B75M-PLUS 1-17

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ASUS B75M-PLUS
1-17
4.
System panel connector (10-1 pin PANEL)
This connector supports several chassis-mounted functions.
•
System power LED (2-pin PWR_LED)
This 2-pin connector is for the system power LED. Connect the chassis power LED
cable to this connector. 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 connector is for the HDD Activity LED. Connect the HDD Activity LED cable
to this connector. The IDE LED lights up or flashes when data is read from or written to
the HDD.
•
ATX power button/soft-off button (2-pin PWR_BTN)
This connector is for the system power button.
•
Reset button (2-pin RESET)
This 2-pin connector is for the chassis-mounted reset button for system reboot without
turning off the system power.
5.
Speaker connector (4-pin SPEAKER)
The 4-pin connector is for the chassis-mounted system warning speaker. The speaker
allows you hear system beeps and warnings.
B75M-PLUS
PIN 1
PWR_BTN
PLED+
PLED-
PWR
GND
HD_LED+
HD_LED-
Ground
HWRST#
(NC)
F_PANEL
PWR_LED
HDD_LED
RESET
B75M-PLUS System panel connector
B75M-PLUS
B75M-PLUS Speaker Out Connector
+5V
GND
GND
Speaker Out
SPEAKER
PIN 1