LSI 25083 User Manual
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.
LSIiBBU07 when the iBBU is installed, but they are still
accessible.
3.2
MegaRAID SAS 6Gb/s RAID Controller Characteristics
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.
intelligently validating the compatibility of the SAS domain.
J6A3
Write-pending Indicator
(dirty cache) LED
connector
(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.
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
Unit connector
20-pin connector
Connects the LSIiBBU07 intelligent
Battery Backup Unit remotely to the
RAID controller.
Battery Backup Unit remotely to the
RAID controller.
J6B2
Battery Backup Unit
connector
connector
20-pin connector
Connects the LSIiBBU07 intelligent
Battery Backup Unit remotely to the
RAID controller.
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
ROM
1
1.
For boot code and firmware.
Serial
EEPROM
EEPROM
2
2.
For BIOS configuration storage.
Data Transfer Rates
SCSI Features
SCSI
Termination
Termination
Yes
Yes
Up to 6Gb/s per port for
SAS and up to 3Gb/s per
port for SATA II
SAS and up to 3Gb/s per
port for SATA II
Plug and Play
Scatter/Gather
Activity LED
Scatter/Gather
Activity LED
Active