DFI EC300 Series - Manual (Page 105)

105
5
Ports and Connectors
VGA
The Serial ATA connectors are used to connect Serial ATA devices. Connect one
end of the Serial ATA cable to a SATA connector and the other end to your Serial
ATA device.
SATA (Serial ATA) Connectors
SATA 1
SATA 0
1
TXN
GND
RXP
RXN
GND
7
TXP
GND