Adaptec 3405 Installation And User Manual page 138

Appendix F: Controller LED and I2C Connector Quick Reference
J11:
Pin Number Signal
2 AGGREGATE0_3_L
1 +3.3V
Adaptec RAID 3805 Aggregate Activity LED Board Connector: Molex 22-28-8022
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2.54mm 1x2 RA Header or equivalent
LED Mating Cable Connector: Molex 50-57-9002 or equivalent
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J12:
Pin Number Signal
2 AGGREGATE4_7_L
1 +3.3V
Adaptec RAID 3805 I2C Board Connector: Molex 22-43-6030 or equivalent
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I2C Mating Cable Connector: Molex 22-43-3030 or equivalent
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J7:
Pin Number Signal
1 SDA
2 GND
3 SCL
Note:
Tied to Sideband Signals of SFF-8087 J3 (Ports 0-3)
Adaptec RAID 3805 I2C Board Connector: Molex 22-43-6030 or equivalent
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I2C Mating Cable Connector: Molex 22-43-3030 or equivalent
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J8:
The following pins are tied to Sideband Signals of SFF-8087 connector J5 (Ports 0-3)
Pin Number Signal
1 I2CDATA
2 GND
3 I2CCLK
Note:
I2C signals are also routed through the SFF-8087 internal connectors J3 and J5
SFF-8087 Connector J3:
Pin Number Signal
B8 SB0_CONA
B9 SB1_CONA
B10 GND
A9 GND
Description
Aggregate Cathode – Connector J3 Ports 0-3
Aggregate Anode
Description
Aggregate Cathode – Connector J5 Ports 0-3
Aggregate Anode
Description
I2C Data – Connector J3 Ports 0-3
Ground
I2C Clock – Connector J3 Ports 0-3
Description
I2C Data – Connector J5 Ports 0-3
Ground
I2C Clock – Connector J5 Ports 0-3
I2C Description
SB0 - 2W_SCL
SB1- 2W_SDA
SB2 - Ground
SB3 - Ground
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SGPIO Description
SB0 - SClock
SB1- SLoad
SB2 - Ground
SB3 - Ground