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Fan Headers
This motherboard has six system/CPU
fan headers (Fan 1~Fan 5, Fan A1) on
the motherboard. All these 4-pin fans
headers are backward compatible with
the traditional 3-pin fans. However, fan
speed control is available for 4-pin fans
only. The fan speeds are controlled by
firmware thermal management via IPMI
interface. See the table on the right for
pin definitions.
Chassis Intrusion
A Chassis Intrusion header is located
at JL1 on the motherboard. Attach an
appropriate cable from the chassis to
inform you of a chassis intrusion when
the chassis is opened.
SXB1B
JP7
JP6
1
LEM2
BMC
CTRL
BATTERY
CPLD
JBAT1
JBT1
Clock
Intel
PCH
I-SATA5
I-SATA4
JSD1
I-SATA3
JTPM1
I-SATA2
JF2
I-SATA1
FAN5
I-SATA0
T-SGPIO2
F
G
E
LAN3
LAN1
LAN4
LAN2
VGA1
JUIDB1
UID
LAN
CTRL 1
LAN
CTRL 2
X9DRW-3LN4F+
Rev. 1.20
CPU2
CLOSE 1st
OPEN 1st
CPU1
CLOSE 1st
OPEN 1st
FAN4
FAN3 FAN2
B
D
C
2-29
Fan Header
Pin Definitions
Pin#
Definition
1
Ground
2
+12V
3
Tachometer
4
Pulse Width Modu-
lation (PWM)
Chassis Intrusion
Pin Definitions
Pin#
Definition
1
Intrusion Input
2
Ground
COM1
KB/MOUSE
USB0/1
Buzzer
IPMI_LAN
SP1
JPW2
A
Chapter 2: Installation
A. Fan 1
B. Fan 2
C. Fan 3
D. Fan 4
E. Fan 5
F. Fan A1
G. Chassis Intrusion
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