ASROCK B75TM-ITX Quick Installation Guide

ASRock H61TM-ITX Motherboard
15
English
Backlight & Amp
Volume Control
Header
(8-pin BLT_VOL1)
(see p.2, No. 17)
Digital MIC Header
(5-pin DMIC1)
(see p.2, No. 24)
Home Theater PC
Header
(7-pin HTPC1)
(see p.2, No. 29)
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
1
PIN Signal Name PIN Signal Name
8 HDMI CEC 7 #Power_Button
6 SMB_DATA 5 3.3V Standby
4 SMB_CLK 3 No pin
2 GND 1 Recording LED
LPC Debug Header
(13-pin LPC1)
(see p.2, No. 30)
PIN Signal Name PIN Signal Name
14 +3V 13 No pin
12 +3V 11 +3V
10 GND 9 GND
8 LAD3 7 LAD2
6 LAD1 5 LAD0
4 LFRAME# 3 RESET#
2 GND 1 CLK
1

ASROCK B75TM-ITX Specifications

General

Brand	ASROCK
Model	B75TM-ITX
Category	Motherboard
Language	English