Table 3.5

SAS 9280-4i/4e RAID Controller – Connectors (Cont.)

 

 

 

Connector

Description

Comments

 

 

 

J6A3

Write-pending Indicator

2-pin connector

 

(dirty cache) LED

 

 

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

20-pin connector

 

Unit connector

Connects the LSIiBBU07 intelligent

 

 

 

 

Battery Backup Unit remotely to the

 

 

RAID controller.

 

 

 

J6B2

Battery Backup Unit

20-pin connector

 

connector

Connects the LSIiBBU07 intelligent

 

 

 

 

Battery Backup Unit remotely to the

 

 

RAID controller.

 

 

 

Note: Connectors J6A1, J6A2, and J6A3 are behind the

 

LSIiBBU07 when the iBBU is installed, but they are still

 

accessible.

 

3.2MegaRAID SAS 6Gb/s RAID Controller Characteristics

Table 3.6 shows the general characteristics for all MegaRAID 6Gb/s SAS RAID controllers.

Table 3.6 MegaRAID 6Gb/s SAS RAID Controller Characteristics

Flash

Serial

 

 

SCSI

ROM1

EEPROM2

Data Transfer Rates

SCSI Features

Termination

 

 

 

 

 

Yes

Yes

Up to 6Gb/s per port for

Plug and Play

Active

 

 

SAS and up to 3Gb/s per

Scatter/Gather

 

 

 

port for SATA II

Activity LED

 

 

 

 

 

 

1.For boot code and firmware.

2.For BIOS configuration storage.

Each MegaRAID 6Gb/s SAS RAID controller ensures data integrity by intelligently validating the compatibility of the SAS domain.

MegaRAID SAS 6Gb/s RAID Controller Characteristics

3-13

Copyright © 2009 by LSI Corporation. All rights reserved.

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LSI 25083 manual MegaRAID SAS 6Gb/s RAID Controller Characteristics, MegaRAID 6Gb/s SAS RAID Controller Characteristics