9
Figure1
：
20-pin power plug Figure 2
：
24-pin power plug
(2) ATX12V1 (4-pin block): 12V Power Connector
This is a new defined connector that usually comes with ATX Power Supply that
supports extra 12V voltage to maintain system power consumption. Without this
connector might cause system unstable because the power supply can not provide
sufficient current for system.
Pin1
4
Pin
Definition No. Definition
1
GND
5
+12V
2
GND
6
+12V
3
GND
7
+12V
4
GND
8
+12V
(3) SATA1/2/3/4/5/6(7-pin block): SATAIII Port connector
These connectors are high-speed SATAIII ports that support 6 GB/s transfer rate.
Pin No.
Defnition
1
GND
2
TXP
3
TXN
4
GND
5
RXN
6
RXP
7
GND
*Note:
SATA6 port shares with MSATA slot, i.e., only one of them can work at a time
at user’s choice.
