ASRock IMB-186M [21/41] Backlight volume control

ASRock IMB-186V [21/41] Backlight volume control
21
PIN Signal Name
1 GPIO_VOL_UP
2 GPIO_VOL_DW
3 PWRDN
4 BLT_UP
5 BLT_DW
6 GND
7 GND
1
1
SPD0
STB#
SPD1
SPD2
SPD3
SPD4
SPD6
SPD7
GND
GND
SLIN#
PINIT#
ERROR#
AFD#
GND
GND
GND
GND
GND
GND
SPD5
ACK#
BUSY
PE
SLCT
PIN Signal Name PIN Signal Name
26 NC 25 NA
24 GND 23 SIO_GP30
22 GND 21 SIO_GP31
20 GND 19 SIO_GP32
18 GND 17 SIO_GP33
16 GND 15 SIO_GP34
14 GND 13 SIO_GP35
12 JGPIOPWR 11 SIO_GP36
10 JGPIOPWR 9 SIO_GP37
8 SIO_GP43 7 SIO_GP40
6 SIO_GP44 5 SIO_GP41
4 SIO_GP45 3 SIO_GP42
2 SIO_GP46 1 SIO_GP47
Backlight Volume Control
(7-pin BLT_VOL1: see p.8, No. 15)
Printer Port / GPIO Header
(25-pin LPT_GPIO1: see p.8, No. 20)
Printer Port: GPIO:
Note:
If you want to use the printer port function, please
short pin4 and pin5 on
Digital Input / Output Power Select (JGPIO_PWR1).

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