Asus RS161-E4/PA2 - Manual (Page 56)

4-10 Chapter 4: Motherboard information
3. Serial ATA connectors (7-pin SATA1, SATA2, SATA3, SATA4)
Supported by the NVIDIA ® nForce4™ chipset, these connectors are for
the Serial ATA signal cables for Serial ATA hard disk drives that allows
up to 3Gb/s of data transfer rate.
If you installed Serial ATA hard disk drives, you can create a RAID 0,
RAID 1 configuration.
Important notes on Serial ATA
The actual data transfer rate depends on the speed of Serial ATA hard
disks installed.
R
KFN4-DRE
KFN4-DRE SATA Connectors
GND
RSATA_TXP1
RSATA_TXN1
GND
RSATA_RXP1
RSATA_RXN1
GND
GND
RSATA_TXP2
RSATA_TXN2
GND
RSATA_RXP2
RSATA_RXN2
GND
GND
RSATA_TXP3
RSATA_TXN3
GND
RSATA_RXP3
RSATA_RXN3
GND
GND
RSATA_TXP4
RSATA_TXN4
GND
RSATA_RXP4
RSATA_RXN4
GND
SATA1 SATA4 SATA3 SATA2
4. Backplane SMBus connector (6-1 pin BPSMB1)
This connector allows you to connect SMBus (System Management Bus)
devices. Devices communicate with an SMBus host and /or other SMBus
devices using the SMBus interface.
R
KFN4-DRE
KFN4-DRE SMBus Connector
BPSMB1
1
I2C_CLK
#
GND
I2C_D
AT
A# +5V
FAN_PW
M