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Overview

Dell™PowerEdge™ExpandableRAIDController4/SC,4/DC,and4e/DCUser'sGuide

Overview of PERC 4/SC, 4/DC, and 4e/DC

Documentation

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Overview of PERC 4/SC, 4/DC, and 4e/DC

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The PERC 4 RAID controller is a high-performance, intelligent peripheral component interconnect (PCI) and PCI-Express to Small Computer System Interface

(SCSI) host adapter with RAID control capabilities. It provides reliable fault-tolerant disk subsystem management and is an ideal RAID solution for internal

storageinDell's™PowerEdge™enterprisesystems.TheRAIDcontrolleroffersacost-effective way to implement RAID in a server.

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PERC 4 controllers are available with one or two SCSI channels using PCI or PCI-Express input/output (I/O) architecture:

l PERC 4/SC (single channel) provides one SCSI channel and PCI architecture

l PERC 4/DC (dual channel) provides two SCSI channels and PCI architecture

l PERC 4e/DC (dual channel) provides two SCSI channels and PCI-Express architecture

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PCI and PCI-Express are I/O architectures designed to increase data transfers without slowing down the central processing unit (CPU). 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.

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Your RAID controller supports a low-voltage differential (LVD) SCSI bus. Using LVD, you can use cables up to 12 meters long. Throughput on each SCSI channel

can be as high as 320 MB/sec.

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Documentation

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The technical documentation set includes

l Dell PowerEdge RAID Controller 4/SC, 4/DC, and 4e/DC User's Guide, which contains information about installation of the RAID controller, general

introductory information about RAID, RAID system planning, configuration information, and software utility programs.

l CERC and PERC RAID Controllers Operating System Driver Installation Guide, which contains the information you need to install the appropriate operating

system software drivers.

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