Intel H61 User Manual page 15

(8) FAN Headers: SYSFAN1, (3-pin), CPUFAN1 (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) Serial COM Port header: COM1
COM1 is a 9-pin block header.
(10) SPDIF Out header: HDMI_SPDIF1
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.
PWRLED
Pin 1
JW FP
SPEAK
Pin 1 Pin 1
System Case Connections
CPUFAN
1 4
1
SYSFAN1
3
Pin1
Serial COM Port 9-pin Block
12