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Chapter 2: Installation
C
A
PRESS FIT
A
BAR CODE
REV:1.01
X12STL-IF
DESIGNED IN USA
BIOS LICENSE
JD1
MH4
MH2
JPL1
JL1
JPME2
I-SATA5
JSD1
I-SATA4
BT1
JSMB1
JPV1
MH1
FAN1
FAN2
JPWR1
MH3
JF1
JPI2C1
FAN3
JUIDB1
JMD1_SRW1
JTPM1
LED1
JBT1
JMD1
JPCIE1
JRF1
FANA
JPG1
JCPLD1
JVRM1
JPL2
JWD1
LED3
LED2
LEDM1
CPU
DIMMB1
CPU SLOT7 PCI-E 4.0 X16
DIMMA1
OH
NIC1
VGA
X
PWR
HDD
LED
PWR
LED
RST
FF
I-SATA0-3
LAN1/2
JF1:
NIC2
ON
USB 6/7(3.2)
USB 2/3
COM
USB 0/1
USB 4/5(3.2)
BMC_LAN
UID
JSD2
Fan Headers
There are four 4-pin fan headers (FAN1 - FAN3, FANA) 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 the Hardware Monitoring
through the BMC. Refer to the table below for pin definitions.
Headers
Fan Header
Pin Definitions
Pin#
Definition
1
Ground (Black)
2
+12V (Red)
3
Tachometer
4
PWM_Control
1
2
3
4
1. FAN1
2. FAN2
3. FAN3
4. FANA
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