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18. Mono-out header
This internal Mono-out header allows connection to an internal, low power
speaker for basic system sound capability. The subsystem is capable of
driving a speaker load of 3 Watts RMS at 4 Ohms.
19. System Management Bus header
The System Management Bus (SMBus) connector allows you to
connect a SMBus device. This connector is generally used for
communication with the system and power management-related
tasks.
20. Speaker header
The 4-pin header is for the chassis-mounted system warning speaker. The
speaker allows you to hear system beeps and warnings.
21. 10-1 pin System Panel header
This header supports several chassis-mounted functions.
•
System Power LED header (+PWR_LED-)
The 2-pin header allows you to connect the System Power LED.
The System Power LED lights up when the system is connected to
a power source, or when you turn on the system power, and blinks
when the system is in sleep mode.
•
Storage Device Activity LED header (+HDD_LED-)
The 2-pin header allows you to connect the Storage Device Activity
LED. The Storage Device Activity LED lights up or blinks when data is
read from or written to the storage device or storage device add-on card.
•
Power Button/Soft-off Button header (PWR_BTN)
The 3-1 pin header allows you to connect the system power button. Press the
power button to power up the system, or put the system into sleep or soft-off mode
(depending on the operating system settings).
•
Reset button header (RESET)
The 2-pin header allows you to connect the chassis-mounted reset button. Press the
reset button to reboot the system.
1-6
E21252_Pro_B760M-CT_UM.indd 6
E21252_Pro_B760M-CT_UM.indd 6
MONO-OUT
R_OUT-
R_OUT+
SMBUS
SMBUS_DATA
SMBUS_CLK
GND
PIN 1
SPEAKER
PIN 1
F_PANEL
+PWR_LED-
PWR_BTN
PIN 1
+HDD_LED-
RESET
Chapter 1: Product Introduction
PIN 1
2022/11/11 14:49:17
2022/11/11 14:49:17
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