Using the AMCC 3ware® I2C Multiplexer with a Supermicro® Backplane
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7
Jumper Settings for Supermicro 846TQ
Cable Pin Definitions
For additional information about using the enclosure services of your
Supermicro Backplane, please consult the documentation that came
with your chassis or backplane.
Copyright ©2008 Applied Micro Circuits Corporation (AMCC). All rights reserved. 3ware® and 3DM® are registered trademarks of AMCC. The 3ware logo, 3BM, StorSave are
all trademarks of AMCC. Supermicro® is a registered trademark of Supermicro Computer, Inc. All other trademarks herein are property of their respective owners.
While every attempt is made to make this document as accurate as possible, AMCC assumes no responsibility for errors or omissions in the document and shall not be responsible
or liable for any and all damages, claims and/or disputes that arise from dependence on this publication.
Table 5: Reset Chip Settings
These jumpers control the AMI 9072 chips
Jumper
Jumper Settings
Note
JP35
Open: No Reset (Default)
Closed: Reset
This is a 2-pin jumper block.
Jumper should be removed.
JP50
Open: No Reset (Default)
Closed: Reset
This is a 2-pin jumper block.
Jumper should be removed.
JP129
Open: No Reset (Default)
Closed: Reset
This is a 2-pin jumper block.
Jumper should be removed.
Table 6: I2C Setting (Default)
This jumper controls the I2C and SGPIO settings for the 846TQ
Jumper
Jumper Settings
Note
JP84
2-3
Jumper should connect pins 2 and 3.
Table 7: Cable pins - I2C MUX to 9650SE or 9550SXU
Signal
I
2
C MUX
3ware 9650SE or 9550SXU
Reset (SB4)
Pin 3
Pin 3
Ground (SB2)
Pin 4
Pin 4
SDA (SB1)
Pin 5
Pin 5
Ground (SB3)
Pin 6
Pin 6
SCL (SB0)
Pin 7
Pin 7
IRQ
Pin 9
Pin 9
Table 8: Cable pins - I2C MUX to Supermicro backplane
Signal
I
2
C MUX
Supermicro 836TQ
SDA
Pin 1
Pin 1
Ground Pin
2
Pin
2
SCL
Pin 3
Pin 3
Not Connected
Pin 4
Pin 4
