
A
A
K
K
7
7
7
7
-
-
6
6
0
0
0
0
M
M
a
a
x
x
O
O
n
n
l
l
i
i
n
n
e
e
M
M
a
a
n
n
u
u
a
a
l
l
D
D
r
r
.
.
L
L
E
E
D
D
C
C
o
o
n
n
n
n
e
e
c
c
t
t
o
o
r
r
(
(
U
U
s
s
e
e
r
r
U
U
p
p
g
g
r
r
a
a
d
d
e
e
O
O
p
p
t
t
i
i
o
o
n
n
a
a
l
l
)
)
In conjunction with Dr. LED (User Upgrade Optional), which can easily show what kind of problem you may incur on your system
during assembly. It can clearly indicate whether there is a component issue or an installed issue by the 8 LEDs on the front
panel of Dr. LED. This helps you quickly self-diagnose your system status.
Pin 1
1 2
GND
KEY
3.3V
S1
S2
S3
5 6
53