Asus A55M-A USB3 A55M-A User's Manual - Page 38

A55M-A/USB3 System panel connector

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4. System panel connector (10-1 pin F_PANEL) This connector supports several chassis-mounted functions. F_PANEL PWR LED PWR BTN PLED+ PLEDPWR GND HD_LED+ HD_LED- Ground HWRST# (NC) A55M-A/USB3 PIN 1 +HD_LED RESET A55M-A/USB3 System panel connector • System power LED (2-pin PLED) 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 +IDELED) 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 PWRBTN) This 2-pin 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 to hear system beeps and warnings. +5V GND GND Speaker Out A55M-A/USB3 SPEAKER PIN 1 A55M-A/USB3 Speaker Out Connector 1-26 Chapter 1: Product introduction

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4.
System panel connector (10-1 pin F_PANEL)
This connector supports several chassis-mounted functions.
•
System power LED (2-pin PLED)
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 +IDELED)
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 PWRBTN)
This 2-pin 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 to hear system beeps and warnings.
A55M-A/USB3
PIN 1
PWR BTN
PLED+
PLED-
PWR
GND
HD_LED+
HD_LED-
Ground
HWRST#
(NC)
F_PANEL
PWR LED
+HD_LED
RESET
A55M-A/USB3 System panel connector
A55M-A/USB3
A55M-A/USB3 Speaker Out Connector
+5V
GND
GND
Speaker Out
SPEAKER
PIN 1
Chapter 1: Product introduction
1-26