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Avago Technologies MegaRAID SAS 9240-4i User Manual

Page 51

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LSI Corporation

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6Gb/s MegaRAID SAS RAID Controllers User Guide

August 2013

MegaRAID SAS RAID Controller Characteristics

6Gb/s MegaRAID SAS RAID Controller Family

J2B4

Standard Edge Card connector

The interface between the RAID controller and the host system.

This interface provides power to the board and an I

2

C interface

connected to the I

2

C bus for the Intelligent Platform Management

Interface (IPMI).

J3A1

Drive Activity LED header

2-pin connector

Connects to an LED that indicates activity on the drives connected
to the controller.

J3L1

Remote Battery Backup connector

20-pin connector

Connects a remote LSIiBBU09 unit to RAID controller.

J4B1

Cache Vault Flash Module DDR3 interface

70-pin connector

Connects the RAID controller to a CVFM02 module. The CVFM02
module connects to a remote CVPM02 module.

J5A1

x4 SAS Port 0 through Port 3 Internal connector SFF-8087 mini SAS 4i internal connector

Connects the controller by cable to SAS drives or SATA drives.

J5A2

Write-Pending LED header

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.

J5B1

x4 SAS Ports 4 to 7 Internal connector

SFF-8087 mini SAS 4i internal connector

Connects the controller by cable to SAS drives or SATA drives.

NOTE The MegaRAID SAS 9271-4i RAID controller does not contain
the J5B1 connector. This connector is on the MegaRAID SAS 9271-8i
RAID controller.

J6B1

Advanced Software Options Hardware Key
header

3-pin header

Enables support for the Advanced Software Options features,
which include CacheCade, FastPath, Recovery, and SafeStore
disk encryption.

J6B2

SBR Bypass header

2-pin connector

Lets you bypass the SBR EEPROM during boot in case the EEPROM
contents are corrupt or missing.

J6B3

Global Activity LED header

2-pin header

Connects to a single LED that indicates drive activity on
either port.

J6B4

Onboard Serial Universal Asynchronous
Receiver/Transmitter (UART) connector

4-pin connector

Reserved for LSI use.

J6B5

Global Drive Fault LED indicator

2-pin header

Connects to a single LED that indicates drive activity on
either port.

J6B6

Onboard Serial Universal Asynchronous
Receiver/Transmitter (UART) connector

4-pin connector

Reserved for LSI use.

Table 12 MegaRAID SAS 9271 RAID Controllers – Jumpers and Connectors (Continued)

Jumper/

Connector

Type

Description