American Megatrends MegaRAID Express 500 - Manual (Page 42)

MegaRAID Express 500 Hardware Guide 28
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 1
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 8 MB, 16 MB, 32 MB, 64 MB, or 128
MB
Cache Function Write-through, write-back, ARA,
NRA, RA
Multiple logical drives/arrays per
controller
Up to 40 logical drives per controller
Maximum number of MegaRAID Express
500 controller per system
12
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 1
Number of 16-bit external connectors 1
Support for hard disk drives with
capacities of more than 8 GB.
Yes
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