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SC936 Chassis Manual
6. Backplane Main Power Connectors
The 4-pin connectors, designated JP10,
JP13, JP46 and JP48, provide power to the
backplane. See the table on the right for pin
definitions.
7., 8. and 9. Fan Connectors
The 3-pin or 4-pin connectors, designated
JP54, JP56, and JP58 provide power to the
fans. See the table on the right for pin defini-
tions.
10. - 13. SAS IN Ports (Sideband included)
The SAS ports are used to connect the SAS
drive cables. The four SAS IN ports are des-
ignated #JSM1 - #JSM4. Each port is also
compatible with SATA drives.
Note: SGPIO is the default setting for this
backplane
Pin#
2 and 3
(JP54, JP56 and JP58)
Pin#
1
2
3
4
Sideband Definitions
Pin # Definition
A11
SGPIO:
SDIN
I
C:
2
Backplane
Addressing
(SB5)
A12
SGPIO:
SDOUT
I
C: Reset
2
(SB4)
A9
GND (SB3)
A8
Backplane
ID (SB7)
C-4
Backplane
Main Power
4-Pin Connector
(JP10, JP13, JP46,
and JP48)
Definition
1
+12V
Ground
4
+5V
Fan Connectors
Definition
Ground
+12V
Tachometer
No Connection
(JSM1 - JSM4)
Pin # Definition
B11
Controller ID
(SB6)
B10
GND (SB2)
B9
SGPIO:
SLOAD
I
C:SDA
2
(SB1)
B8
SGPIO:
SCLOCK
I
C:SCL
2
(SB0)
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