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Headers
Fan Headers
There are seven 4-pin fan headers (FAN1 – FAN4, FANA, FANB, FANC) on the motherboard.
All these 4-pin fan headers are backwards compatible with the traditional 3-pin fans. However,
fan speed control is available for 4-pin fans only by Thermal Management via BMC. Refer to
the table below for pin definitions.
LAN
BMC
LEDBMC
CTRL
JL1
JSTBY1
JPL1
LED3601
(M.2-C1 LED)
M.2-C1
PCIe 4.0 X4
FANC
7
BT1
FANB
6
JBT1
2280
USB0/1
22110
(2.0)
TRX50
JD1
SP1
BIOS
LICENSE
JSD1
12V_PUMP_PWR2
SATA2
SATA0
SATA3
SATA1
USB2/3
JMCIO-1/2
(3.2 GEN1)
JWD1
JOH1
Fan Header
Pin Definitions
Pin#
Definition
1
Ground
2
2.5A/+12V
3
Tachometer
4
PWM_Control
LED1
(UID-LED)
JUIDB1
(UID)
USB9
(3.2 GEN2X2)
BMC_LAN
LAN2
LAN1
USB6/7
USB4/5
(3.2 GEN2)
(3.2 GEN2)
JPUSB1
4
FAN4
LED3602
(M.2-C2 LED)
CPU
M.2-C2
PCIe 4.0 X4
2280
22110
H13SRA-TF
REV:1.01
DESIGNED IN USA
USB8
(3.2 GEN2)
FANA
JTPM1
5
LED7
(Power LED)
JF1
55
1. FAN1 (CPU Fan Header)
2. FAN2 (CPU Fan Header)
JAUDIO1
VGA
3. FAN3 (CPU Fan Header)
COM1
JPW3
JSPDIF_OUT
JPAC1
4. FAN4 (CPU Fan Header)
JAFP1
5. FANA (System Fan Header)
3
6. FANB (System Fan Header)
FAN3
2
FAN2
7. FANC (System Fan Header)
1
FAN1
12V_PUMP_PWR1
JPW2
JPI2C1
JPW1
Chapter 2: Installation
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