AMD 880G User Manual - Page 16

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(8) FAN Power Headers: SYSFAN1(3-pin) ,SYSFAN2 (3-pin), CPUFAN (4-pin)

These connectors support cooling fans of 350mA (4.2 Watts) or less, depending

on the fan manufacturer, the wire and plug may be different. The red wire should

be positive, while the black should be ground. Connect the fan's plug to the

board taking into consideration the polarity of connector.

(9) Serial COM Port header: COM1

COM1 is the 9-pin block pin-header.

(10) HDMI-SPDIF Out header: HDMI_SPDIF

The SPDIF output is capable of providing digital audio to external speakers or

compressed AC3 data to an external Dolby digital decoder. Use this feature only

when your stereo system has digital input function. Some of the VGA Card need

connect SPDIF-IN Connector，so its HDMI Port can make sounds .

CPUFAN

SYSFAN2

SYSFAN1

FAN Power Headers

Serial COM Port 9-pin Block

HDMI_SPDIF_OUT

HDMI_SPDIF Header

Pin1

GND