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X7SBT/X7SBT-10G User's Manual
Fan Headers
The X7SBT/X7SBT-10G has three sys-
tem fan headers (Fans 1 to Fan 3) that
support 4-pin fans. See the table on the
right for pin defi nitions.
Note
: The onboard fan speeds are
controlled by Thermal Management
via BIOS Hardware Monitoring in
the Advanced Setting. (The default
setting is
Disabled
.)
4-pin Fan Header
Pin Defi nitions
Pin# Defi nition
1
Ground
2
+12V
3
Tachometer
4
PWR Modulation
I-SATA1
I-SATA3 I-SATA2
I-SATA0
C
OM1
SIMSO
J
U
S
B4
T
-SGP
IO1
JB
T
1
LED
4
LE
D
3
LE
D2
J
EX
P
1
DIMM1
DIMM3
DIMM2
DIMM4
Int
el
L
A
N
C
T
R
L
J
WR
2
JW
R
1
J
P
L3
JP
L2
JP
G1
JW
D
L
A
N3
LA
N2
LA
N1
FAN
1
F
A
N
2
F
AN
3
C
OM2
IT
P
1
JF
1
JD
1
JL1
JI2C
1
JI2C
2
S
P
1
B
1
JP
L
1
Int
el
L
A
N
C
T
R
L
LED
5
V
GA
CT
RL
X
7S
B
T
-1
0G
IC
H
9
R
S
u
pe
r
I/O
B
IO
S
SLOT1 PCI-E X16
OH
LE
D
H
D
D LE
D
V
R
D
OH
LE
D
P
W
R
L
E
D
P
W
R
I2C
USB8/7
USB11/10
U
SB
5
/3
SMBus
USB0/1
VGA
C
ha
si
s
Int
rus
ion
C
MOS
C
L
E
A
R
USB
6
US
B
4
B
UZ
ZER
CPU
S
T
B
Y PW
R
LE
D
1
DIMM2B
DIMM2A
DIMM1B
DIMM1A
JP
1
JO
H
1
A
B
C
A. Fan1
B. Fan2
C. Fan3
D. Chasis Intrusion
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
it is opened.
D