User`s guide
Table Of Contents
- About This Guide
- Kit Contents and System Requirements
- About Your RAID Controller
- Standard RAID Controller Features
- Adding Enhanced Features
- Adding a Battery Backup Module
- Upgrading the Controller Firmware
- About the Adaptec 3085
- About the Adaptec 3405
- About the Adaptec 3805
- About the Adaptec 31205
- About the Adaptec 31605
- About the Adaptec 4000
- About the Adaptec 4800SAS
- About the Adaptec 4805SAS
- About the Adaptec 2420SA
- About the Adaptec 2820SA
- About the Adaptec 2130SLP
- About the Adaptec 2230SLP
- Getting Started
- Installing the Controller and Disk Drives
- Creating a Bootable Array
- Installing the Driver and an Operating System
- Installing the Driver on an Existing Operating System
- Managing Your Storage Space
- Solving Problems
- Introduction to Serial Attached SCSI
- Understanding RAID
- Using the Adaptec RAID Configuration Utility
- Using the Array Configuration Utility for DOS
- Using the Adaptec Flash Utility
- Adaptec Serial Controller LED and I2C Connector Reference
- Adaptec 2420SA Activity LED and I2C Connector Specification
- Adaptec 2820SA Activity LED and I2C Connector Specification
- Adaptec 3085 LED and I2C Connector Specification
- Adaptec 3405 LED and I2C Connector Specification
- Adaptec 3805 LED and I2C Connector Specification
- Adaptec 31205 LED and I2C Connector Specification
- Adaptec 31605 LED and I2C Connector Specification
- Adaptec 4800SAS LED and I2C Connector Specification
- Adaptec 4805SAS LED and I2C Connector Specification
- Safety Information
- Technical Specifications
- Index

Appendix F: Adaptec Serial Controller LED and I2C Connector Reference ● 120
J7:
The following pins are tied to Sideband Signals of SFF-8087 connector J3 (Ports 0-3)
● Adaptec 31205 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)
● Adaptec 31205 I2C Board Connector: Molex 22-43-6030 or equivalent
● I2C Mating Cable Connector: Molex 22-43-3030 or equivalent
J19:
The following pins are tied to Sideband Signals of SFF-8087 connector J18 (Ports 0-3)
● I2C signals are also routed through the SFF-8087 internal connectors J3, J5, andJ18
SFF-8087 Connector J3:
Pin Number Signal Description
1 SDA_A I2C Data – Connector J3 Ports 0-3
2 GND Ground
3 SCL_A I2C Clock – Connector J3 Ports 0-3
Pin Number Signal Description
1 SDA_B I2C Data – Connector J5 Ports 0-3
2 GND Ground
3 SCL_B I2C Clock – Connector J5 Ports 0-3
Pin Number Signal Description
1 SDA_C I2C Data – Connector J18 Ports 0-3
2 GND Ground
3 SCL_C I2C Clock – Connector J18 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