13
(9) FP_USB30 (19-pin): USB 3.0 Port Header
S
S
RX
2
-
S
S
RX
2
+
GND
2
S
S
TX
2
-
S
S
TX
2
+
GND
3
D
2
-
D
2
+
V
B
U
S
11
Pin 1
10
19
V
B
U
S
S
S
R
X
1
-
S
S
RX
1
+
GND
0
S
S
TX1
-
S
S
TX1
+
G
N
D
1
D
1
-
D
1
+
NC
(10)SMBUS1 (4-pin): SM BUS Header
SMBUS_
CL
K
VCC
3.
3
Pin1
SM
BU
S_
DATA
GND
SMBUS_
AL
ERT
-
(11) CPUFAN1/SYSFAN1/SYSFAN2/SYSFAN3/SYSFAN4 (4-pin): FAN Headers
Pin1
+
12V Fan Po
w
e
r
GND
F
an Clock
Con
tr
o
l