Jetway Computer NC9FL - Manual (Page 17)

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(4) SATA1/SATA2(7-pin): SATA II Port Connector
These connectors are fast-speed SATAII ports that support 3 GB/s transfer rate.
Pin No. Defnition
1 GND
2 TXP
3 TXN
4 GND
5 RXN
6 RXP
7 GND
(5)SPEAK_CON (4-pin block): Speaker Connector
P in 1
S PEA K _ CO N
P in No . D e finitio n
1 L -
2 L+
3 R +
4 R -