Chapter 3: About Your RAID Controller ● 32
About the Adaptec RAID 3805
The Adaptec RAID 3805 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 (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 19)
Mounting bracket
PCIe x4 connector
2 internal SAS
connectors
I2C connector for CN1
Board power supply
Battery connector
Mode 0 Flash connector
Drive Activity LED connectors for CN0/CN1
Alarm connector
Drive Activity LEDs
Diagnostic LEDs
Back side of Controller
Aggregate Activity LED
header for CN1
Aggregate Activity LED
header for CN0
CN1
CN0
CN1
CN0
I2C connector for CN0
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