19
(14)LAN1LED/LAN2LED (2-pin): LANLED Header
Pin1
LED-
LED+
(15)SM_BUS (4-pin): SM BUS Header
Pin 1
VCC5V
SMBUS CLK
SMBUS DATA
GND
(16) SYSFAN1 (3-pin), SYSFAN2 (4-pin), CPUFAN1 (4-pin): FAN Headers
SYSFAN1
C
ont
ro
l
Fa
n C
loc
k
+
1
2
V
Fa
n
P
o
w
e
r
Pin1
GN
D
Pin1
GN
D
+1
2
V
F
a
n
P
o
we
r
Fa
n C
loc
k
CPUFAN
Pin1
GND
+12V Fan Power
Fan Clock
SYSFAN2
Control