2-5
Chapter 2: Connectors, Jumpers and LEDs
26
50
51
75
76
20
1
20
1
1
13
12
24
3
2
1
1 2 3
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
A
C
1
4
1
12
7
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
B37
B32
B33
A1
B1
A37
B37
B32
B33
A1
B1
A37
B32
A1
B1
A37
B37
B32
B33
A1
44
34
11
12
22
23
33
11
12
22
23
33
1
2
5
6
1
2
5
6
1
2
5
6
1
1
1
A
C
A C
A
C
A
C
A
C
1
5
8
1
5
4
8
4
1
4
1
4
1
4
1
BPN-SAS3-827HQ
REV: 1.01
DESIGNED IN USA
BAR CODE
3
JF5
JF6
JPW1
C246
D62
D61
D60
D59
D58
D57
D56
D55
LE1
U30
J25
JPW4
C45
C51
C75
C82
C83
C84
C85
C86
C87
C88
C89
C90
C91
C92
C93
C94
JF1
JF2
JF3
JF4
U2
U8
JP71
JP70
JP69
JP39
JP38
JP36
D63
D51
D52
D54
F46
R402
R56
R32
JPI2C1
JPW3
JPW2
JP55
JP54
JP57
JP56
DEFAULT:SHORT 3-5
DEBUG
SPI PROG
JP71:UPGRADE #2
JP70:UPGRADE #1
+5V
+12V
5V-SB
GND
+12V
JP39:
OPEN:DEFAULT
CLOSE:PS_ON
JF6-CD
JF5-AB
MB
-C
MB
-D
M
B-A
MB
-B
JP36:
OPEN:DEFAULT
CLOSE:ANY POWER BUTTON
JP38:
OPEN:DEFAULT
CLOSE:LED TEST
FAN4
FAN3
FAN2
FAN1
LE1
Front Panel LED
LED
State
Specification
Heartbeat LED: LE1
Blinking MCU heartbeat LED
2-3 Front LED Indicator
Figure 2-4. Front LED
