ASROCK 870 EXTREME3 User Manual download pdf (Page 27)

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ATX 12V Power Connector Please connect an ATX 12V

(8-pin ATX12V1) power supply to this connector.

(see p.11 No. 3)

8 5

4 1

4-Pin ATX 12V Power Supply Installation

Though this motherboard provides 8-pin ATX 12V power connector, it can still work

if you adopt a traditional 4-pin ATX 12V power supply. To use the 4-pin ATX power

supply, please plug your power supply along with Pin 1 and Pin 5.

8 5

4 1

IEEE 1394 Header Besides one default IEEE 1394

(9-pin FRONT_1394) port on the I/O panel, there is one

(see p.11 No. 25) IEEE 1394 header

(FRONT_1394) on this

motherboard. This IEEE 1394

header can support one IEEE

1394 port.

+12V

GND

+12V

RXTPBM_0

GND

RXTPAM_0

RXTPBP_0

GND

RXTPAP_0

Serial port Header This COM1 header supports a

(9-pin COM1) serial port module.

(see p.11 No.31)

CCTS#1

DDSR#1

DDTR#1

RRX D 1

DDCD#1

TTXD1

GND

RRTS#1

RRI#1

HDMI_SPDIF Header HDMI_SPDIF header, providing

(2-pin HDMI_SPDIF1) SPDIF audio output to HDMI VGA

(see p.11 No. 33) 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.

SPDIFOUT

GND

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ASROCK 870 EXTREME3 User Manual Page 27

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