mITX-HSW-S - User Guide, Rev. 1.1
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7.3.
SATA (Serial ATA) Disk Interfaces (SATA1, SATA2, SATA3 & SATA4)
The SATA connectors supply the data connection for the SATA hard disk. Four connectors are SATA 3.0 compatible for
the model with Intel® Q87 chipset while up to only two connectors support SATA 3.0 for the model with Intel® H81
chipset.
Figure 19: SATA Connector SATA1, SATA2, SATA3, SATA4
Table 27: Pin Assignment SATA1, SATA2, SATA3, SATA4
Pin
Signal
Note
1
GND
2
TX+
3
TX-
4
GND
5
RX-
6
RX+
7
GND
Table 28: Signal Description
Signal
Description
RX+ / RX-
Host transmitter differential signal pair
TX+ / TX-
Host receiver differential signal pair