ASRock IMB-140 Series Printer Port Header, Digital I/O Header, Panel Backlight Control, Rxd, Txd

Printer Port Header

(25-pin LPT1)

(see p.1 No. 9)

Digital I/O Header		PIN	Signal Name	PIN	Signal Name
(10-pin	JGPIO1)	1	Digital Output 0	2	Digital Input 0
(see p.1	No. 13)	3	Digital Output 1	4	Digital Input 1
		5	Digital Output 2	6	Digital Input 2
		7	Digital Output 3	8	Digital Input 3
		9	PWR	10	GND

Panel Brightness and Speaker Volume Control

(7-pin BLT_VOL1)

(see p.1 No. 21)

1 7

1: Volume_UP

2: Volume_DOWN

3: PANEL PWR Down

4: Panel BackLight UP

5: Panel BackLight Down

6: GND

7: GND

Panel BackLight Inverter	1,2: Panel Backlight Power
connector	3: Panel Backlight Enable
(6-pin BLT_PWR2)	4: Panel Backlight Control
(see p.1 No. 22)	5,6: GND
RJ-45 COM Port C	1: DCD#
(8-pin COM Port C)	2: RXD
	3: TXD
	4: DTR#
	5: GND
	6: DSR#
	7: RTS#
	8: CTS#

8