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MegaRAID SAS 6Gb/s RAID Controller Characteristics 3-13
Copyright © 2009 by LSI Corporation. All rights reserved.
Note: Connectors J6A1, J6A2, and J6A3 are behind the
LSIiBBU07 when the iBBU is installed, but they are still
accessible.
3.2 MegaRAID SAS 6Gb/s RAID Controller Characteristics
Table 3.6 shows the general characteristics for all MegaRAID 6Gb/s SAS
RAID controllers.
Each MegaRAID 6Gb/s SAS RAID controller ensures data integrity by
intelligently validating the compatibility of the SAS domain.
J6A3 Write-pending Indicator
(dirty cache) LED
connector
2-pin connector
Connects to an LED that indicates when
the data in the cache has yet to be
written to the storage devices. Used
when the write-back feature is enabled.
J6B1 Remote Battery Backup
Unit connector
20-pin connector
Connects the LSIiBBU07 intelligent
Battery Backup Unit remotely to the
RAID controller.
J6B2 Battery Backup Unit
connector
20-pin connector
Connects the LSIiBBU07 intelligent
Battery Backup Unit remotely to the
RAID controller.
Table 3.5 SAS 9280-4i/4e RAID Controller – Connectors (Cont.)
Connector Description Comments
Table 3.6 MegaRAID 6Gb/s SAS RAID Controller Characteristics
Flash
ROM
1
1. For boot code and firmware.
Serial
EEPROM
2
2. For BIOS configuration storage.
Data Transfer Rates SCSI Features
SCSI
Termination
Yes Yes Up to 6Gb/s per port for
SAS and up to 3Gb/s per
port for SATA II
Plug and Play
Scatter/Gather
Activity LED
Active