User`s guide

Appendix F: Adaptec Serial Controller LED and I2C Connector Reference ● 117
● Adaptec 3805 Aggregate Activity LED Board Connector: Molex 22-28-8022 2.54mm 1x2
RA Header or equivalent
● LED Mating Cable Connector: Molex 50-57-9002 or equivalent
J12:
● Adaptec 3805 I2C Board Connector: Molex 22-43-6030 or equivalent
● I2C Mating Cable Connector: Molex 22-43-3030 or equivalent
J7:
Note:
Tied to Sideband Signals of SFF-8087 J3 (Ports 0-3)
● Adaptec 3805 I2C Board Connector: Molex 22-43-6030 or equivalent
● I2C Mating Cable Connector: Molex 22-43-3030 or equivalent
J8:
The following pins are tied to Sideband Signals of SFF-8087 connector J5 (Ports 0-3)
Note:
I2C signals are also routed through the SFF-8087 internal connectors J3 and J5
SFF-8087 Connector J3:
Pin Number Signal Description
2 AGGREGATE4_7_L Aggregate Cathode – Connector J5 Ports 0-3
1 +3.3V Aggregate Anode
Pin Number Signal Description
1 SDA I2C Data – Connector J3 Ports 0-3
2 GND Ground
3 SCL I2C Clock – Connector J3 Ports 0-3
Pin Number Signal Description
1 I2CDATA I2C Data – Connector J5 Ports 0-3
2 GND Ground
3 I2CCLK I2C Clock – Connector J5 Ports 0-3
Pin Number Signal I2C Description SGPIO Description
B8 SB0_CONA SB0 - 2W_SCL SB0 - SClock
B9 SB1_CONA SB1- 2W_SDA SB1- SLoad
B10 GND SB2 - Ground SB2 - Ground
A9 GND SB3 - Ground SB3 - Ground
A10 SB4_CONA SB4 - Reset SB4 - SDataOut
A11 SB5_CONA SB5 - Backplane Address SB5 - SDataIn
B11 CONTROLLER_TYPEA_BUF SB6 – Controller Type SB6 – Controller Type
A8 BACKPLANE_TYPEA SB7 – Backplane Type SB7 – Backplane Type