ASROCK B150TM-ITX TPM R2.0 User Manual page 26

Monitor Switch Header
(2-pin MONITOR_
SWITCH1)
(see p.6, No. 10)
PIN Signal Name
18
(3.3V/5V/12V)
19
(3.3V/5V/12V)
20
(3.3V/5V/12V)
1
PWRDN
GND
B150TM-ITX TPM R2.0
PIN
LCD_VCC
38
LCD_VCC
39
LCD_VCC
40
This header can be used to
connect a switch that turns on/
off the LVDS panel display's
backlight.
Signal Name
BKLT_PWR
(12V/19V)
NC
EDID_DATA
21