118
Supermicro SC747 Chassis User's Manual
I
2
C/SGPIO Settings
Jumper I
2
C Setting
(Default)
SGPIO
Setting
Description
JP33
Pins 2-3
1-2
Controller ID #1
JP34
Pins 1-2: ID#0
1-2: ID#0
Backplane ID #1
JP36
Pins 2-3
1-2
Controller ID #2
JP37
Pins 2-3: ID#1
1-2: ID#0
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
Pins 2-3
1-2
Backplane ID SDIN #1
JP43
Pins 2-3
1-2
Backplane ID SDIN #2
JP50
Closed
Open
I
2
C reset #1
I
2
C and SGPIO Modes and Jumper Settings
This mobile rack 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
configured to use SGPIO mode or restore your mobile rack to I
2
C mode.
REV 1.0
1
REV 1.01
SASM35TQSASM35TQ
RR
SS
UPERUPER
REV 1.0
1
REV 1.01
SASM35TQ
SASM35TQ
R
R
S
S
UPER
UPER
JP37
JP34
JP36
JP33
JP42
JP43
JP38
JP50
JP41
JP40
Figure E-5. I
2
C and SGPIO Jumpers