ASRock H77TM-ITX manual Bklten Bkltpwm Bkltpwr

Models: H77TM-ITX

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HDMI_SPDIF Header

(2-pin HDMI_SPDIF1) (see p.13/15/17, No. 25)

1

GND

SPDIFOUT

This header provides SPDIF audio output to HDMI VGA cards, allowing the system to connect HDMI Digital TV/projector/LCD devices. Please connect the HDMI_ SPDIF connector of a HDMI VGA card to this header.

Backlight & Amp

Volume Control

Header

(8-pin BLT_VOL1)

(see p.13/15/17, No. 17)

1

1: BKLT_EN

2: BKLT_PWM

3: BKLT_PWR

4: BKLT_PWR

5: GND

6: GND

7: Brightness_Up

8: Brightness_Down

Digital MIC Header

1

 

1: +5V

 

(5-pin DMIC1)

 

 

2: No pin

(see p.13/15/17, No. 24)

 

 

2: SPDIF_OUT/DMIC_CLK

 

 

 

3: GND

 

 

 

4: DMIC_DATA

 

 

 

5: +3.3V

Home Theater PC

Header

(7-pin HTPC1)

 

(see p.13/15/17, No. 29)

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

34

Page 34
Image 34
ASRock H77TM-ITX manual Bklten Bkltpwm Bkltpwr