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 ● 25
About the Adaptec 4805SAS
The Adaptec 4805SAS is a SAS RAID controller with these features:
Form Factor 3/4 length
Bus Compatibility PCIe
PCIe bus width x8
PCIe bus speed 2.5 Gb/s
PHYs 8
Standard cache
128 MB DDR2
1
1
256 MB also available
Connectors One external 4x multilane (SFF-8470), Two internal 4x multilane
(SFF-8484)
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 8 (or up to 100 with expanders)
Hot spares Yes
Enclosure support SES2
Automatic Failover Yes
Onboard speaker Yes with these specifications: 3.0 V, 90.0 mA. The internal
speaker is not required, as the onboard speaker volume is
appropriate for most environments.
Audible Alarm Yes
Battery backup module Adaptec Battery Module 600 (sold separately—see page 17)
1 external
SAS
connector
Mounting
bracket
Two 4-wide internal
SAS connectors
PCIe connector
Battery connector
Activity LED connector
(top 2 left/right pins)
Mode 0 Flash connector
Alarm connector
Charge LED
(for battery backup module)
Back side of Controller
Power LED
Activity LED
Diag LED
Activity LED
Phy
3
0
1
2
7
6
5
4