ASRock H81TM-ITX Quick Installation Guide - Page 26
ASRock H81TM-ITX Manual
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H81TM-ITX Home Theater PC Header (7-pin HTPC1) (see p.1, No. 22) PIN Signal Name PIN Signal Name 8 HDMI CEC 7 #Power_Button 6 SMB_DATA 5 3.3V Standby 1 4 SMB_CLK 3 No pin 2 GND 1 Recording LED LVDS Panel Connector 1 (40-pin LVDS1) (see p.1, No. 11) 40 PIN Signal Name PIN Signal Name 1 ODD_Lane3_P 21 NC 2 ODD_Lane3_N 22 EDID_3.3V 3 ODD_Lane2_P 23 LCD_GND 4 ODD_Lane2_N 24 LCD_GND 5 ODD_Lane1_P 25 LCD_GND 6 ODD_Lane1_N 26 ODD_CLK_P 7 ODD_Lane0_P 27 ODD_CLK_N 8 ODD_Lane0_N 28 BKLT_GND EVEN_Lane3_ 9 29 P BKLT_GND EVEN_Lane3_ 10 30 N BKLT_GND 11 EVEN_Lane2_ P 31 EDID_CLK EVEN_Lane2_ 12 32 BKLT_ENABLE N EVEN_Lane1_ BKLT_PWM_ 13 33 P DIM EVEN_Lane1_ 14 34 EVEN_CLK_P N EVEN_Lane0_ 15 35 EVEN_CLK_N P 16 EVEN_Lane0_ N 36 BKLT_PWR (12V/19V) BKLT_PWR 17 EDID_GND 37 (12V/19V) LCD_VCC 18 38 (3.3V/5V/12V) BKLT_PWR (12V/19V) LCD_VCC 19 39 NC (3.3V/5V/12V) LCD_VCC 20 40 EDID_DATA (3.3V/5V/12V) English 25