Intel P31 User Manual page 30

Express chipset and ich chipset based m/b for lga775 quad core ready intel core processor family

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(8) FAN Headers: SYSFAN1, 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. Please connect the fan's plug to the board taking into

consideration the polarity of connector.

(9) CD Audio-In Headers (4-pin) : CDIN

CDIN are the connectors for CD-Audio Input signal. Please connect it to CD-ROM

CD-Audio output connector.

(10) Parallel Port Header: PARALLEL

The onboard parallel port header is a 25-pin connector for connecting devices such as

old-fashioned printer.

PWRLED

Pin 1

JW FP

SPEAK

Pin 1

System Case Connections

CPUFAN

SYSFAN1

SYSFAN2

CDIN

CD Audio-In Headers

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