Intel DH55PJ User Manual

Technical Reference
43
Table 17. SATA Connectors
Pin Signal Name
1 Ground
2 TXP
3 TXN
4 Ground
5 RXN
6 RXP
7 Ground
Table 18. Processor (4-Pin) Fan Header
Pin Signal Name
1 Ground
2 +12 V
3 FAN_TACH
4 FAN_CONTROL
Table 19. Front and Rear Chassis Fan Headers
Pin 4-Wire Support Pin 3-Wire Support
1 Ground 3 Ground
2 +12 V 2 FAN_POWER
3 FAN_TACH 1 FAN_TACH
4 FAN_CONTROL N/A N/A
Table 20. Chassis Intrusion Header
Pin Signal Name
1 Intruder#
2 Ground

Intel DH55PJ Specifications

General

Form Factor	Micro ATX
Socket	LGA 1156
Memory Type	DDR3
Maximum Memory	8 GB
Memory Slots	2
PCI Express x16	1
PCI Express x1	2
PCI Slots	1
Chipset	Intel H55 Express
USB Ports	12
Video Outputs	VGA
SATA Ports	6