Hardware Requirements

MegaRAID Express 500 can be installed in an IBM AT®-compatible or EISA computer with a motherboard that has 5 volt/3.3 volt PCI expansion slots. The computer must support PCI version 2.1 or later. The computer should have an Intel Pentium, Pentium Pro, or more powerful CPU, a floppy drive, a color monitor and VGA adapter card, a mouse, and a keyboard.

Configuration Features

 

Specification

Feature

 

 

RAID Levels

0, 1, 3, 5, 10, 30, and 50.

 

 

SCSI Channels

One

 

Maximum number of drives per channel

15

 

 

Array interface to host

PCI 2.1

 

 

Drive interface

Fast and Wide, Ultra 160M SE and

 

 

 

LVD

 

 

Upgradable cache size

16 MB, 32 MB, 64 MB, or 128 MB

 

 

Cache Function

Write-through, write-back, ARA,

 

 

 

NRA, RA

 

 

Multiple logical drives/arrays per

Up to 40 logical drives per controller

 

 

controller

 

 

Maximum number of MegaRAID Express

12

 

 

500 controller per system

 

 

 

Online capacity expansion

Yes

 

 

Dedicated and pool hot spare

Yes

 

 

Flashable firmware

Yes

 

 

Hot swap devices supported

Yes

 

 

Non-disk devices supported

Yes

 

 

Mixed capacity hard disk drives

Yes

 

 

Number of 16-bit internal connectors

One

 

 

Number of 16-bit external connectors

One

 

 

Support for hard disk drives with

Yes

 

 

capacities of more than 8 GB.

 

 

 

Clustering support (Failover control)

No

 

 

Online RAID level migration

Yes

 

 

RAID remapping

Yes

 

 

No reboot necessary after expansion

Yes

 

More than 200 Qtags per physical drive

Yes

 

Hardware clustering support on the board

Yes

 

 

User-specified rebuild rate

Yes

 

 

 

 

 

28MegaRAID Express 500 Hardware Guide