ASROCK H81TM-ITX R2.0 User Manual page 26

Internal Power Header
(2-pin ATX19V_IN1)
(see p.6, No. 1)
Consumer Infrared
Module Header
(7-pin CIR1)
(see p.6, No. 5)
Serial Port Header
(9-pin COM1)
(see p.6, No. 16)
LPC Debug Header
(13-pin LPC1)
(see p.6, No. 26)
Backlight Control Header
(8-pin BLT_VOL1)
(see p.6, No. 15)
Digital MIC Header
(5-pin DMIC1)
(see p.6, No. 20)
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
1
1
1
his motherboard
provides a 2-pin ATX 19V
power connector.
his header can be used to
connect the remote controller
receiver.
his COM1 header
supports a serial port
module.
+3V
14 13
12 +3V 11
10 GND 9
8 LAD3 7
6 LAD1 5
LFRAME#
4 3
2 GND 1
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
H81TM-ITX R2.0
No pin
+3V
GND
LAD2
LAD0
RESET#
CLK
21