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NOTE: The PERC 3/DC has a battery option, while the PERC 3/DCL does not have a battery option.

Hardware Requirements

PERC 3/DC and PERC 3/DCL have two SCSI channels that support 160M and Wide SCSI at data transfer rates up to 160 MB/s. The SCSI channel supports up to 15 Wide devices or up to seven narrow devices.

PERC 3/DC and PERC 3/DCL can be installed in a system with a motherboard that has 5 V, 32- or 64-bit PCI expansion slots. The system should have an Intel® Pentium® II or higher central processing unit (CPU), a diskette drive, a color monitor, video graphics adapter (VGA) card, and a keyboard. A mouse is recommended.

Configuration Features

The PERC 3/DC and PERC 3/DCL configuration features are shown in Table 5-1.

Ta b l e 5 - 1 . C o nf i g u r a t i o n Fe at u r e s

Specification

Feature

 

 

RAID levels

0, 1, 5, 10, and 50

 

 

SCSI channels

2

 

 

Maximum number of drives per channel

15

 

 

Array interface to host

PCI 2.2

 

 

Drive interface

Wide 160M

 

 

Cache memory size

64 MB (PERC 3/DCL)

 

128 MB DIMM (PERC 3/DC)

 

 

Cache function

Write-back, write-through, adaptive

 

read-ahead, non read-ahead, read-

 

ahead

 

 

Multiple logical drives/arrays per

Up to 40 logical drives per controller

controller

 

 

 

Maximum number of PERC 3/DC and

Contact your Dell™ representative.

PERC 3/DCL controllers per system

 

 

 

Online capacity expansion

Yes

 

 

Dedicated and pool hot spare

Yes

64

PERC 3/DC and PERC 3/DCL Features

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Dell manual Ta b l e 5 1 . C o nf i g u r a t i o n Fe at u r e s, MB Dimm Perc 3/DC