Hardware User's Guide

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2 Intel® RAID Controller RS25FB044 Hardware User’s Guide

Intel

RAID Controller RS25FB044

The Intel

RAID Controller RS25FB044 is an intelligent PCI Express* 3.0 compliant

interface RAID adapters with an integrated LSI* LSISAS2308 Dual-Core Processor Chip,

providing both a SAS controller and RAID engine. With eight independent ports

supporting 6-Gbps and 3 Gbps SAS data transfers using one SFF8087 and one SFF8088

mini multi-lane connectors, this controller supports up to 256 enterprise-class SAS or

SATA devices.

The RAID Controller is designed to fit the following Intel

Server Boards and Systems:

• Intel

Server Board S5520UR

• Intel

Server System SR2600UR

• Intel

Server System SR2625UR

• Intel

Server System SR1625UR

• Intel

Server Board S2600CP

• Intel

Server System P4000CP

• Intel

Server System R2000GZ/GL

• Intel

Server Board S5520HC/S5520HCT/S5500HCV with Intel

Server

Chassis SC5600

• Intel

Workstation Board S5520SC

• Intel

Workstation System SC5650SCWS

• Intel

Server Board S5500BC with Intel

Server Chassis SC5650

• Intel

Server Board S3420GP with Intel

Server Chassis SC5650

• Intel

Server Board S1200BT-LC or S1200BT-SE, with Intel

Server

Chassis SC5650

Note: Additional Intel

Server Boards and Systems may be supported. For the most up-to-date

list, see the Compatibility section under the link for this Intel

RAID Module at

http://www.intel.com/support/go/motherboards/server/index.htm.

The SAS RAID controllers support the SAS protocol as described in the Serial Attached

SCSI Standard, Version 2.0. The controllers also support the Serial ATA III (SATA III)

protocol defined by the Serial ATA Specification, Version 1.0a and the Serial ATA III:

Extension to the Serial ATA Specification, Version 1.1. SATA II is an extension to

SATA 1.0a.

Protocol Support

Each port on the SAS controllers supports SAS devices, SATA III devices, or both using

SSP, SMP, STP, and SATA III as follows:

• Serial SCSI Protocol (SSP) to enable communication with other SAS devices.

• SATA III Protocol to enable communication with other SATA III devices.