
C-6
SC747 Chassis Manual
DESIGNED IN USA
1
JP18
7
J8
7
J7
7
J6
7
J5
7
J16
7
J14
7
J12
7
J10
BZ1
+
41
JP65
4
1
JP60
41
JP56
41
JP13
1 4
JP10
1 4
R99
R6
R324
R154
R325
C
A
D47
C
A
D45
C
A
D3
C
A
D54
C
A
D53
C
A
D51
U18
U42
RP1
RP3
JP69
1
2
5
6
U67
JP95
JP37
D58
3
1
JP64
JP61
3
1
JP62
3
1
JP63
3
1
JP84
3
1
JP97
3
1
JP98
3
1
JP99
3 1
JP25
3 1
JP35
C64
C135
Y1
C99
C107
C89
C124
C121
C202
C119
C201
+
C203
C3
C44
+
C45
+
+
1
17
32
33
48
49
64
U19
JP68
JP66
JP26
GND
1.00
SAS747TQ
REV:
JP64:FAN#4 SELECT
FAN#2FAIL
FAN#1FAIL
FAN#3FAIL
D3:ALARM
FAN#4
2-3:I2C
1-2:SGPIO
JP84:MODE
FAN#1
2-3: NO RST
1-2: RST
JP35:9072 RST
D54:+12V
D53:+5V
JP18:BUZZER RESET
2-3:NO FAN
1-2:WITH FAN
JP63:FAN#3 SELECT
JP62:FAN#2 SELECT
JP61:FAN#1 SELECT
FAN#3
#1
#0
#3
#2
#5 #4
#6
#7
+5V
GND
GND
+12V
+5V
GND
+12V
GND
ACT4
ACT3
ACT2
ACT1
ACT7
ACT6
ACT5
ACT0
C
C
C
2-3:55
1-2:50
OPEN:45
JP25:OH TEMP.
JP97:FAN#1 SELECT
JP98:FAN#2 SELECT
JP99:FAN#3 SELECT
2-3:NO FAN
1-2:WITH FAN
FAN#2
UPGRADE
SIDEBAND#2
I2C#2
I2C#1
SIDEBAND#1
JP84
C-7 Front Jumper Locations and Pin Denitions
Explanation of Jumpers
To modify the operation of the backplane,
jumpers can be used to choose between
optional settings. Jumpers create shorts
between two pins to change the function
of the connector. Pin 1 is identied with
a square solder pad on the printed circuit
board. Note: On two pin jumpers, "Closed"
means the jumper is on and "Open" means
the jumper is off the pins.
Connector
Pins
Jumper
Setting
3 2 1
3 2 1
JP63 JP62
JP99
JP98
JP97
JP35
JP18
JP61
JP69
Figure C-2: Jumper Locations
Jumper Settings
Jumper Jumper Settings Note
JP35
1-2: Reset
2-3: No reset
MG9072 chip reset
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