2-6
SAS-743TQ Backplane
User's Guide
I
2
C and SGPIO Mode Jumper Settings
This backplane can utilize I
2
C or SGPIO. I
2
C is the default mode and can be used
without making changes to your jumpers. The following information details which
jumpers must be confi gured to use SGPIO mode or restore your backplane to I
2
C
mode.
I
2
C and SGPIO Settings
Jumper
I
2
C Jumper Setting
(Default)
SGPIO Jumper
Setting
Note
JP33
2-3
1-2
Controller ID #1
JP34
1-2:ID#0
1-2
Backplane ID #1
JP36
2-3
1-2
Controller ID #2
JP37
2-3:ID#1
1-2
Backplane ID #2
JP38
Closed
Open
I
2
C Reset #2
JP40
Open
Closed
I
2
C Reset SDOUT #1
JP41
Open
Closed
I
2
C Reset SDOUT #2
JP42
2-3
1-2
Backplane ID SDIN #1
JP43
2-3
1-2
Backplane ID SDIN #2
JP50
Closed
Open
I
2
C Reset #1
SAS Port Connections in I
2
C and SGPIO Settings
Use the following chart when connecting this backplane. If you connect the SAS
ports out of order, you will not able to easily identify drives using the LED func-
tion.
SAS Port Connections in I
2
C and SGPIO Settings
Port #
I
2
C SGPIO
# 0 - 3
I
2
C #1
Sideband #1
# 4 - 7
I
2
C #2
Sideband #2
