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

Chapter 3: About Your RAID Controller ● 19
About the Adaptec 3405
The Adaptec 3405 is a SAS RAID controller with these features:
Form Factor Low-profile MD2
Bus compatibility PCIe
PCIe bus width x4
PCIe bus speed 2.5 Gb/s
PHYs 4
Standard cache 128 MB DDR2
Connectors, internal One SAS x4 (SFF-8087)
RAID levels 0, 1, 1E, 10, 5, 5EE, 50,6, 60, JBOD
Simple Volume Yes
Disk Drives SATA, SATA II, SAS
Maximum number of disk drives 4 (or up to 100 with expanders)
Hot spares Yes
Enclosure Support I2C and SGPIO
Automatic Failover Yes
Onboard speaker Yes
Audible alarm Yes
Battery Backup Module Adaptec Battery Module 800 (sold
separately—see page 17)
Mounting bracket
PCIe x4 connector
1 internal SAS connector
CN0
I2C connector for CN0
Battery connector
Board power supply
Mode 0 Flash connector
Drive Activity LED connectors for CN0
Alarm connector
Back side of Controller
Drive Activity LEDs for CN0
Diagnostic LEDs
Aggregate Activity LED
header for CN0