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1-8 Overview
Copyright © 2006-2007 by LSI Corporation. All rights reserved.
1.5.1 PCI Express Architecture
PCI Express is a local bus system designed to increase data transfers
without slowing down the central processing unit (CPU). You can install
MegaRAID PCI Express storage adapters in PCI Express computer
systems with a standard bracket type. With these adapters in your
system, you can connect SCSI and SATA II devices over the bus.
PCI Express goes beyond the PCI specification in that it is intended as
a unifying I/O architecture for various systems: desktops, workstations,
mobile, server, communications, and embedded devices.
1.5.2 Operating System Support
The MegaRAID 8480 Storage Adapter supports the following operating
systems:
• Windows (2000 and Server 2003)
• Red Hat Linux
• SUSE Linux
The MegaRAID 8480 Storage Adapter uses Fusion-MPT™ architecture
for all major operating systems, thinner drivers, and better performance.
1.6 Summary of MegaRAID 8480 RAID Controller
Characteristics
This section provides a summary of the features and benefits of the
MegaRAID 8480 RAID controller. It contains information on SAS
features, SATA II features, PCI performance, integration, usability, and
flexibility.
The MegaRAID 8480 Storage Adapter includes the following features:
• PCI Express x8 lane width (with support for downshifting for
motherboards with x1 and x4 connections)
• PCI Express performance up to 2.5 Gbits/s per lane
• Support for a 256 Mbyte DDR2 400 MHz on-board SDRAM with
LSIiTBBU02 intelligible transportable battery backup