Headers And Connectors - Supermicro AS-2014CS-TR User Manual

12V 8-pin Auxilliary Power Connector (JPWR2)
JPWR2 is an 8-pin ATX power input to provide auxiliary power to the processor. Refer to the
table below for pin definitions.

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 BIOS. When using the Thermal Management setting, please use
all 3-pin fans or all 4-pin fans.
Power SMB Header (PWRI2C)
Power System Management Bus (I2C) header monitors power supply, fan and system
temperatures. See the table below for pin definitions.
Chapter 4: Motherboard Connections
12V 8-pin Power Connector
Pin Definitions
Pins Definition
1 through 4 Ground
5 through 8 +12V
Fan Header
Pin Definitions
Pin# Definition
1 Ground (Black)
2 +12V (Red)
3 Tachometer
4 PWM Control
Power SMB Header
Pin Definitions
Pin# Definition
1 Clock
2 Data
3 PWR Fail
4 Ground
5 +3.3V
55