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2 Intel® RAID Expander Card RES2SV240 Hardware User’s Guide
Intel
®
RAID Expander Card RES2SV240
The SAS/SATA functionality for the Intel
®
RAID Expander Card RES2SV240 is
contained within the LSI* LSISAS2x24 24-Port Serial Attached SCSI/SATA Expander
chip. This expander card has twenty-four independent ports supporting 6Gb/s, 3 Gb/s, or
1.5Gb/s SAS and SATA data transfers using six SFF-8087 mini-SAS connectors. This
controller supports 4 inputs and 20 outputs configuration, or 8 inputs and 16 outputs
configuration. This expander card is powered either from its standard PCI Express* x4
connector (with only power pins) to get power from motherboard PCI Express slot, or
from its RA 4-pin power connector for remote cable power.
The expander card is designed to be compatible with the following Intel
®
RAID
Controllers and Modules:
• Intel
®
Integrated RAID Module RMS2MH080
• Intel
®
RAID Module RMS2AF080 and RMS2AF040
• Intel
®
RAID Module RMS2LL080 and RMS2LL040
• Intel
®
RAID Controller RS2BL080, RS2BL040, and RS2BL080DE
• Intel
®
RAID Controller RS2MB044
• Intel
®
RAID Controller RS2WC080 and RS2WC040
• Intel
®
Integrated RAID Module SROMBSASMR
Note: Additional cable might need to be purchased for some of above adapters to connect.
Additional Intel
®
RAID Controllers and Modules may be supported. For the most up-to-
date list, see the Compatibility section under the link for this Intel
®
RAID Expander Card
at http://support.intel.com/support/motherboards/server/.
The expander card supports the SAS protocol as described in the Serial Attached SCSI
Standard, Version 2.0. The card also supports the Serial ATA II (SATA II) protocol defined
by the Serial ATA Specification, Version 1.0a and the Serial ATA II: Extension to the Serial
ATA Specification, Version 1.1. SATA II is an extension to SATA 1.0a.
Protocol Support
Each port on the expander card supports SAS devices, SATA II devices, or both using
SSP, SMP, STP, and SATA II as follows:
• Serial SCSI Protocol (SSP) to enable communication with other SAS devices.
• SATA II Protocol to enable communication with other SATA II devices.
• Serial Management Protocol (SMP) to share topology management information
with expanders.
• Serial Tunneling Protocol (STP) support for SATA II through expander interfaces.
• SAS protocol, described in the Serial Attached SCSI (SAS) Standard, version 2.0