![](/images/new-backgrounds/1210454/21045463x1.webp)
Though this motherboard provides
supply, please plug your power supply along with Pin 1 and Pin 5. | 5 | 1 | ||
| 8 |
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| 4 | |||
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Serial port Header | This COM1 header supports a | |||
serial port module. |
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(see p.2, No. 24) |
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HDMI_SPDIF Header
1 |
GND
SPDIFOUT
HDMI_SPDIF header, providing SPDIF audio output to HDMI VGA card, allows the system to connect HDMI Digital TV/ projector/LCD devices. Please connect the HDMI_SPDIF connector of HDMI VGA card to this header.
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ASRock Z77M Motherboard