AXIOMTEK NA-550 Series, User Manual, Page: 21 / 49

NA-550 Series User
’s Manual
Hardware and Installation 15
2.4.9 System Fan Connectors (FAN1 ~ FAN4)
System fans are always needed to cool down CPU and system temperature. FAN1 ~
FAN4 connectors provide power to these system fans.
FAN1
1
4
FAN2~FAN4
1
3
2.4.10 Serial ATA Connectors (SATA1 and SATA2)
These Serial Advanced Technology Attachment (Serial ATA or SATA) connectors are for
high-speed SATA interface ports. They are computer bus interfaces for connecting to
devices such as serial ATA hard disk drives. Each SATA connector supports a single
SATA device.
Pin Signal
1 GND
2 +12V
3 Rotation Detection
4 Reserved
Pin Signal
1 GND
2 +12V
3 Rotation Detection
Pin Signal
1 GND
2
3 SATA_TX-
4 GND
5 SATA_RX-
6
7 GND