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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. See the table on the right for pin
defi nitions.
Chapter 5: Advanced Serverboard Setup
12V 8-pin Power
Connector Pin Defi nitions
Pins
1 through 3
4 through 8
5V 4-pin Power
Pin Defi nitions
Pins
1
2-3
4
Power Button
Pin Defi nitions (JF1)
Pin#
1
2
5-15
Defi nition
+12V
Ground
Connector
Defi nition
+12V
Ground
+5V
Defi nition
Power Button
Ground
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