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Headers
Fan Headers
There are three 4-pin fan headers (FAN1, FAN2, and FAN3) on the motherboard. All these
4-pin fan headers are backwards compatible with the traditional 3-pin fan headers. However,
fan speed control is available for 4-pin fan headers only by Thermal Management via the
IPMI 2.0 interface. Refer to the table below for pin definitions.
JUIDB1
UID-LED
LAN
JBT1
CTRL
LAN
CTRL
PCH
LED6301
BMC
JTPM1
M.2-PCH
3
JCOM1
JFP1
FAN3
JPWR2
JPWR3
LED1
I-SGPIO1
Fan Headers
Pin Definitions
Pin#
Definition
1
GND (Black)
2
+12V (Red)
3
Tachometer
4
PWM_Control
VGA
BT1
JNVME3
LAN1/2
LAN3
USB 0/1 (3.0)
CLOSE 1st
CPU
OPEN 1st
1
FAN1
JPWR1
2
FAN2
43
Chapter 2: Installation
1. FAN1
2. FAN2
3. FAN3
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