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5-8
Connector Defi nitions
Power Connectors
Three SMC-proprietary power connectors
are located at JPW1, JPW2 and JPW9 to
provide main power to the serverboard.
Seven 12V, 8-pin power connectors, lo-
cated at JPW3-8 and JPW11, are used
for SATA devices and GPU cards (JPW5
is for the backplane). An additional 4-pin
auxilliary connector is located at JPW10.
Connect these power headers as de-
scribed below.
JPW1: 62-pin SMC-Proprietary (Required)
JPW2: 20-pin SMC-Proprietary (Required)
JPW9: 38-pin SMC-Proprietary (Required)
JPW5: 12V 8-pin for HDD backplane (Required)
JPW3, 4, 6, 7, 8, 11: 12V 8-pin for GPU power
JPW10: 5V 4-pin Auxilliary
Power Button Connector
The PW_ON connector is on pins 1 and 2
of JF1. Momentarily contacting both pins
will power on/off the system. This button
can also be confi gured to function as a
suspend button (with a setting in the BIOS,
see Chapter 7). To turn off the power when
set to suspend mode, press the button for
at least 4 seconds. Refer to the table on
the right for pin defi nitions. This header
should be connected to the chassis power
button.
Chapter 5: Advanced Serverboard Setup
Connector Pin Defi nitions
Pins
1 through 3
4 through 8
Pin#
1
2
5-15
12V 8-pin Power
Defi nition
+12V
Ground
5V 4-pin Power
Connector
Pin Defi nitions
Pins
Defi nition
1
+12V
2-3
Ground
4
+5V
Power Button
Pin Defi nitions (JF1)
Defi nition
Power Button
Ground
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