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2-5
Connecting Cables
ATX Power Connector
The main power supply connector
(JPW1) on the X6DHP-3G2 meets the
SSI (Superset ATX) specifi cation. You
can only use a 20-pin power supply
cable on the motherboard. Make sure
that the orientation of the connector
is correct.
Secondary Power
Connector
In addition to the Primary ATX power
connector (above), the 9-pin Second-
ary Power Connector at JPWR1 must
also be connected to your power sup-
ply for Secondary power consumption
to avoid power-up failure.
ATX Power 20-pin Connector
Pin Definitions (ATX)
Pin#
Definition
Pin #
11
GND8
1
12
+5V1
2
13
+5V2
3
14
3.3V1
4
15
3.3V2
5
16
+5V/SB
6
17
+12V4
7
18
+12V5
8
19
+12V6
9
20
Blcoked
10
9-pin Power Connector
Pin Defi nitions
Pin#
Defi nition
Pin#
1
SMB_CLK
2
3
SMB_DATA
4
5
GND
6
7
PWR_ON
8
9
NC
X
2-9
Chapter 2: Installation
Definition
GND1
GND2
GND3
GND4
GND5
GND6
GND7
+12V1
+12V2
+12V3
Defi nition
GND
PWR_Fail
PWR_OK
-12V
Key
Fans
7/8
9-Pin PWR
20-Pin ATX PWR
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