Avago Technologies MegaRAID SAS 9240-4i User Manual

Page 56

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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

NOTE

Pin 1 on the headers and connectors is highlighted in red in this figure.

NOTE

The MegaRAID SAS 9280-16i4e RAID controller is like the MegaRAID SAS
9280-24i4e RAID controller except that the MegaRAID SAS 9280-16i4e
controller does not contain the J4A5, J5A1, or J5B2 connectors.

The following table describes the jumpers and the connectors on the MegaRAID SAS 9280-24i4e RAID controller. It
includes diagrams showing Pin1 and its orientation for several of the connectors.

Table 15 MegaRAID SAS 9280-24i4e RAID Controller – Connectors

Jumper/

Connector

Type

Description

J1A2

Universal Asynchronous Receiver/Transmitter (UART)
for the expander

4-pin connector

Reserved for LSI use.

J1B1

LED Locate and Fault Indication header

Ports 0 to 3

Ports 4 to 7

2x8-pin connector

Connects to an LED array that indicates whether a drive is in
a fault condition. There is one LED per port. When lit, each
LED indicates the corresponding drive has failed or is in the
Unconfigured-Bad state.

The LEDs function in a direct-attach configuration (there are
no SAS expanders). Direct attach is defined as a maximum of
one drive connected directly to each port.

NOTE This header is used for RAID controllers with internal
SAS ports only.

J1B2

x4 SAS Ports 24 to 27 External connector

SFF-8088 x4 external mini SAS connector

Connects the controller by cable to a SAS/SATA backplane or
an expander.

J1B3

Advanced Software Options Hardware Key header

2-pin header

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

J1C1

IPMI-style I

2

C connector

3-pin connector

Supports SES (SCSI enclosure services) over I

2

C through an

internal I

2

C backplane cable.

J1L1

Remote Battery Backup connector (on the rear of the
controller)

20-pin connector

Connects an optional remote LSIiBBU07 intelligent Battery
Backup Unit or an LSIiBBU08 unit to the RAID controller.

J2B1

x4 SAS Ports 0 to 3 Internal connector

SFF-8087 x4 internal mini SAS connector

Connects the controller by cable to SAS drives or
SATA 2 drives.

J2B2

x4 SAS Ports 4 to 7 Internal connector

SFF-8087 x4 internal mini SAS connector

Connects the controller by cable to SAS drives or
SATA 2 drives.

J1B1

PORT 0

PORT 7

+ve

-ve

a

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