Asus B150M-A Manuale tecnico - Pagina 12

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System panel connector (20-3 pin F_PANEL)

This connector supports several chassis-mounted

functions.

•

System power LED (4-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 HDD LED lights up

or flashes when data is read from or written to the HDD.

•

System warning speaker (4-pin SPEAKER)

This 4-pin connector is for the chassis-mounted system warning speaker. The

speaker allows you to hear system beeps and warnings.

•

ATX power button/soft-off button (2-pin PWR_SW)

This connector is for the system power button. Pressing the power button turns

the system on or puts the system in sleep or soft-off mode depending on the

operating system settings. Pressing the power switch for more than four seconds

while the system is ON turns the system OFF.

•

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.

•

Chassis intrusion header (2-pin CHASSIS)

This connector is for a chassis-mounted intrusion detection sensor or switch.

Connect one end of the chassis intrusion sensor or switch cable to this

connector. The chassis intrusion sensor or switch sends a high-level signal to

this connector when a chassis component is removed or replaced. The signal is

then generated as a chassis intrusion event.

1-12

PANEL

+PWR_LED-

SPEAKER

PWR_SW

CHASSIS

PIN 1

+HDD_LED-

RESET

+PWR_LED-

* Requires an ATX power supply

Motherboard Pin Definition