34
Supermicro SCLA25 Chassis User's Manual
SGPIO and I
2
C Modes and Jumper Settings
This backplane can utilize SGPIO or I
2
C, which is the default mode and can be used without
making changes to your jumpers. The following information describes which jumper must be
configured to use SGPIO mode.
SGPIO Settings (Default)
Jumper
Jumper Setting
Notes
JP33
Pins 1-2
Controller ID #1
JP34
Pins 1-2
Backplane ID #1
1-2: ID#0
JP36
Pins 1-2
Controller ID #2
JP37
Pins 1-2
Backplane ID #2
1-2: ID#0
JP38
Open (Jumper off the pins)
I
2
C Reset #2
JP40
Closed (Jumper on the pins)
I
2
C Reset_SDOUT#1
JP41
Closed (Jumper on the pins)
I
2
C Reset_SDOUT#2
JP42
Pins 1-2
I
2
C Backplane ID_SDIN#1
JP43
Pins 1-2
I
2
C Backplane ID_SDIN#2
JP50
Open (Jumper off the pins)
I
2
C Reset #1
I
2
C Settings
Jumper
Jumper Setting
Notes
JP33
Pins 2-3
Controller ID #1
JP34
Pins 1-2
Backplane ID #1
1-2: ID#0
2-3: ID#1
JP36
Pins 2-3
Controller ID #2
JP37
Pins 2-3
Backplane ID #2
1-2: ID#0
2-3: ID#1
JP38
Closed (Jumper on the pins)
I
2
C Reset #2
JP40
Open (Jumper off the pins)
I
2
C Reset_SDOUT#1
JP41
Open (Jumper off the pins)
I
2
C Reset_SDOUT#2
JP42
Pins 2-3
I
2
C Backplane ID_SDIN#1
JP43
Pins 2-3
I
2
C Backplane ID_SDIN#2
JP50
Closed (Jumper on the pins)
I
2
C Reset #1