ASROCK H81TM-ITX Quick Start Manual page 26

Consumer Infrared
Module Header
(7-pin CIR1)
(see p.1, No. 4)
Serial Port Header
(9-pin COM1)
(see p.1, No. 14)
LPC Debug Header
(13-pin LPC1)
(see p.1, No. 24)
Backlight Control
Header
(8-pin BLT_VOL1)
(see p.1, No. 13)
Digital MIC Header
(5-pin DMIC1)
(see p.1, No. 17)
24
CIR input
+5VA
Learn-in
LED
1
+5VA
IRTX
GND
NC
RI
RTS CTS
GND
DSR
TXD
DTR
DCD
RXD
1
PIN Signal Name PIN Signal Name
14
12
10
1
8
6
4
2
1
1
This header can be used to
connect the remote controller
receiver.
This COM1 header
supports a serial port
module.
+3V 13 No pin
11
+3V +3V
GND 9 GND
7
LAD3 LAD2
LAD1 5 LAD0
LFRAME# 3 RESET#
1
GND CLK
1: BKLT_EN
2: BKLT_PWM
3: BKLT_PWR
4: BKLT_PWR
5: GND
6: GND
7: Brightness_Up
8: Brightness_Down
1: +5V
2: No pin
2: SPDIF_OUT/DMIC_
CLK
3: GND
4: DMIC_DATA
5: +3.3V