Chapter 3: About Your RAID Controller
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22
About the Adaptec RAID 51245
The Adaptec RAID 51245 is a SAS RAID controller with these features:
Form Factor
Full Height, Half Length
Bus compatibility
PCIe
PCIe bus width
x8
PCIe bus speed
2.5 Gb/s
Phys (Unified Serial Ports)
16
Standard cache
512 MB DDR2
Connectors, Internal
3 mini-SAS x4 (SFF-8087)
Connectors, Exteneral
1 mini-SAS x4 (SFF-8088)
Maximum number of disk drives
16 direct-attached (or up to 256 with expanders)
Enclosure Support
I2C and SGPIO
Onboard speaker
Yes
Battery Backup Module
Adaptec Battery Module 800/800T (sold separately—see
page 17
)
Ext. Alarm
Aggregate Activity
Reserved
CN0
CN2
CN1
I2C, CN0
I2C, CN1
Mode 0 Flash
I2C, CN2
CN6
Activity CN2
Activity
CN0, CN1
ABM-800 connector
1 external
mini-SAS
connector
3 internal
mini-SAS
connectors