Intel P55 User Manual

21
(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.
SYSFAN1
1
3
SYSFAN2
1
3
14
CPUFAN
(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.
CD Audio-In Headers
CDIN
1 4
(10) IR infrared module Headers (5-pin): IR
This connector supports the optional wireless transmitting and receiving infrared
module. You must configure the setting through the BIOS setup to use the IR
function.
IR infrared module Headers
IR
Pin 1
GND
+5VX
IRRX
GND
IRTX
2
5
6

Intel P55 Specifications

General

Socket Type	LGA 1156
Memory Type	DDR3
Max Memory	16 GB
PCI Express Version	2.0
USB Version	2.0
SATA Version	3.0 Gb/s
Overclocking Support	Yes
Chipset	Intel P55 Express
Form Factor	ATX
Memory Channels	Dual Channel
RAID Support	Yes