ASROCK IMB-156 User Manual page 20

LVDS Connector
(40-pin LVDS1)
(see p.8 No. 5)
Backlight Volume Control
(7-pin BLT_VOL1)
(see p.8 No. 8)
Backlight Power Connector
(6-pin BLT_PWR1)
(see p.8 No. 9)
SATA Power Output Connector
(4-pin SATA_PWR1)
(see p.8 No. 23)
Buzzer Header
(2-pin BUZZ2)
(see p.8, No. 16)
Chassis Intrusion Headers
(2-pin CI1, CI2: see p.8, No. 21)
1
1
+12V
GND
1
+5V GND
This motherboard supports
1
CASE OPEN detection feature
GND
that detects if the chassis cover
Signal
has been removed. This feature
requires a chassis with chassis
intrusion detection design.
20
PIN Signal Name
1 GPIO_VOL_UP
2 GPIO_VOL_DW
3 PWRDN
4 LVDS1 BLUP
5 LVDS1 BLDW
6 GND
7 GND
PIN Signal Name
1 GND
2 GND
3 BL CTL
4 BL EN
5 LCD_BLT_VCC
6 LCD_BLT_VCC