2 Intel® RAID Controller RS25DB080 Hardware User’s Guide
Intel
®
RAID Controller RS25DB080
The Intel
®
RAID Controller RS25DB080 is an intelligent, low-profile RAID adapter with
an integrated LSI SAS2208 dual-core RAID-On-Chip chipset, providing both a SAS
controller and RAID engine. With 1GB RAM built onto a memory board which is
connected to the RAID baseboard by default, and eight independent ports supporting
6Gb/s and 3Gb/s SAS data transfers using two SFF-8087 mini multi-lane connectors, this
controller supports up to 128 enterprise-class SAS or SATA devices. The PCI Express*
connector fits into an x8 or x16 PCI Express* slot capable of performance up to 5 Gb/s
per lane.
The RAID Controller is designed to fit various Intel® Server Boards and systems. For the
most up-to-date support list, see the Compatibility section under the link for this Intel
®
RAID Controller at http://www.intel.com/p/en_US/support/server
.
Protocol Support
Each port on the SAS controllers 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.
Operating System Support
• Windows Server 2008* R2, Windows 7*, Windows Server 2003*, Windows Vista*,
and Windows XP*
• Red Hat* Enterprise Linux 4.0, 5.0, and 6.0
• SuSE* Linux Enterprise Server 9, 10, and 11
• VMWare* ESX 4.0
• Solaris* 10
The operating systems supported may not be supported by your server board. See the
Tested operating system list for your server board at
http://www.intel.com.
To make sure the RAID controller supports your operating system, see also the Tested
Hardware and Operating System List for the Intel
®
RAID Controller RS25DB080.
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