Pin Definition

1-14
Motherboard Pin Denition
20. Flat panel display brightness connector (8-pin LCD_BLKT_PANEL)
This connector is for the LCD panel backlight and brightness
controls. It enables the LCD panel backlight, provides backlight
control signals, and provides brightness control signals for the
brightness button on the front panel.
PIN 1
BKLT_EN
BKLT_PWM
BKLT_PWR BKLT_PWR
BKLT_GND/Brightness_GND BKLT_GND/Brightness_GND
Brightness_up
Brightness_Down
LCD_BLKT_PANEL
21. LCD panel monitor switch header (2-pin PANEL_SW)
This 2-pin header is for connecting a monitor switch that can turn off
the LCD panel display backlight.
PIN 1
GND
MON_SW#
PANEL_SW
22. SATA power connector (15-pin SATA_PWRCON)
This connector is for the SATA power cable. The power cable
plugisdesignedtotthisconnectorinonlyoneorientation.Find
theproperorientationandpushdownrmlyuntiltheconnector
completelyt.ToprovidepowertoyourSATAdevice,connect
the SATA power cable to this connector.
PIN 1
+12V +12V +12V
GND GND GND
+5V +5V +5V
GND GND GND
+3V +3V +3V
SATA_PWRCON
23. Internal stereo speaker header (4-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).
INT_SPK
PIN 1
Front_R- Front_R+ Front_L+ Front_L-
24. Internal DC power connector (2-pin ATX19V)
ThisconnectorisforanATXpowersupply.Theplugfrom
thepowersupplyisdesignedtotthisconnectorinonlyone
orientation.Findtheproperorientationandpushdownrmly
untiltheconnectorcompletelyts.
Thisconnectorsupports12Vand19Vbymodels.Refertothespecicationsheetofthe
model for details.
PIN 1
ATX19V
DC_JACK_INGND