Download Adaptec RAID Controller Installation and User's Guide

Chapter 3: About Your RAID Controller
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About the Adaptec RAID 3805
The Adaptec RAID 3805 is a SAS RAID controller with these features:
Aggregate Activity LED
header for CN0
Drive Activity LED connectors for CN0/CN1
Mode 0 Flash connector
CN1
Battery connector
2 internal SAS
connectors
Board power supply
PCIe x4 connector
CN0
I2C connector for CN0
Alarm connector
Aggregate Activity LED
header for CN1
I2C connector for CN1
Drive Activity LEDs
Mounting bracket
Diagnostic LEDs
CN1 CN0
Back side of Controller
Form Factor
Low-profile MD2
Bus compatibility
PCIe
PCIe bus width
x4
PCIe bus speed
2.5 Gb/s
Phys (Unified Serial Ports)
8
Standard cache
128 MB DDR2
Connectors, internal
2 mini-SAS x4 (SFF-8087)
Maximum number of disk drives
8 (or up to 100 with expanders)
Enclosure Support
I2C and SGPIO
Onboard speaker
Yes
Battery Backup Module
Adaptec Battery Module 800 (sold separately—see page
18)
21