Adaptec 3405 User Guide - Page 33

About the Adaptec RAID 31205, The Adaptec RAID 31205 is a SAS RAID controller with these features

Page 33 highlights

Chapter 3: About Your RAID Controller ● 33 About the Adaptec RAID 31205 The Adaptec RAID 31205 is a SAS RAID controller with these features: Activity LED Phys and connectors FE Aggregate LED connectors CB A I2C connector for CN2 I2C connector for CN1 I2C connector for CN0 CN0 Alarm connector Mode 0 Flash connector Battery connector CN1 3 internal SAS connectors CN2 PCIe x8 connector Mounting bracket Activity LED Phys and connectors F = CN2 E = CN1, CN0 Aggregate LED connectors C = CN2 B = CN1 A = CN0 Form Factor Bus compatibility PCIe bus width PCIe bus speed Phys (Unified Serial Ports) Standard cache Connectors, internal Maximum number of disk drives Enclosure Support Onboard speaker Battery Backup Module Half-size PCIe x8 2.5 Gb/s 12 256 MB DDR2 3 mini-SAS x4 (SFF-8087) 12 (or up to 100 with expanders) I2C and SGPIO Yes Adaptec Battery Module 800 (sold separately-see page 19)

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Chapter 3: About Your RAID Controller
33
About the Adaptec RAID 31205
The Adaptec RAID 31205 is a SAS RAID controller with these features:
Form Factor
Half-size
Bus compatibility
PCIe
PCIe bus width
x8
PCIe bus speed
2.5 Gb/s
Phys (Unified Serial Ports)
12
Standard cache
256 MB DDR2
Connectors, internal
3 mini-SAS x4 (SFF-8087)
Maximum number of disk drives
12 (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 x8 connector
3 internal
SAS connectors
Battery connector
Activity LED Phys and connectors
F
E
Mode 0 Flash connector
Alarm connector
Aggregate LED connectors
C
B
A
Activity LED Phys and connectors
Activity LED Phys and connectors
F = CN2
E = CN1, CN0
Aggregate LED connectors
C = CN2
B = CN1
A = CN0
CN0
CN1
CN2
I2C connector for CN0
I2C connector for CN1
I2C connector for CN2