Asus Q87T User Manual page 28

14. Flat panel display brightness (8-pin LCD_BLKT_PANEL)
This connector is for the LCD panel brightness controls.
Q87T Flat Panel Display Brightness
15. Internal stereo speaker header (2-pin INT_SPK)
The internal mono speaker header allows connection to an internal, low-power speaker
for basic system sound capability. The subsystem is capable of driving a speaker load
of 4 Ohms at 3 Watts (rms).
Q87T Internal Stereo Speakers Header
16. Custom header (14-pin CUSTOM)
The custom header is for connecting customized modules for additional features.
Q87T Custom header
1-20
LCD_BLKT_PANEL
BKLT_EN
BKLT_PWM
BKLT_PWR
BKLT_PWR
Q87T
BKLT_GND/Brightness_GND
BKLT_GND/Brightness_GND
Brightness_up
Brightness_Down
INT_SPK
Q87T
PIN 1
CUSTOM
Prog_LED
+3.3 VSB
Q87T
PWRBT#
+5 VSB
USB+
SCI/SMI GPIO
PIN 1
PIN 1
Ground
SMB_SLK
SMB_Data
HDMI CEC
No Connection
USB-
WDTO#/GPIO
Chapter 1: Product introduction