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Processor Power Connector
JPW2 must also be connected to the power supply. This connector is used to power the
processor(s).
4.2 Headers and Connectors
Fan Headers
There are six fan headers on the motherboard. These are 4-pin fan headers; pins 1-3 are
backward compatible with traditional 3-pin fans. The onboard fan speeds are controlled by
Thermal Management via IPMI.
Power Supply SMBus Header
The Power System Management Bus (I
and system temperatures. Connect the appropriate cable here to utilize SMB on your system.
Chapter 4: Motherboard Connections
+12V 8-pin Power
Pin Definitions
Pin#
Definition
1 - 4
Ground
5 - 8
+12V
Required Connection
Fan Header
Pin Definitions
Pin#
Definition
1
Ground (Black)
2
+12V (Red)
3
Tachometer
4
PWM Control
C) connector (JPI
C1) monitors the power supply, fan,
2
2
Power SMB Header
Pin Definitions
Pin#
Definition
1
Clock
2
Data
3
PMBUS_Alert
4
Ground
5
+3.3V
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