Chapter 4 Features
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Operating System Software Drivers
Operating System Drivers
MegaRAID includes a DOS software configuration utility and drivers for all major
operating systems. See the MegaRAID Operating System Drivers Guide for additional information.
The DOS drivers for MegaRAID are contained in the firmware on MegaRAID except the DOS
ASPI and CD-ROM drivers. Call LSI Logic Technical Support at 678-728-1250 or access the web
site at www.lsil.com for information about drivers for other operating systems.
MegaRAID Specifications
Parameter Specification
Card Size 12.3" x 4.2" (half length PCI)
Processor Intel i960RN @ 100 MHz
Bus Type PCI 2.2
Bus Data Transfer Rate Up to 266 MB/s
BIOS MegaRAID BIOS
Cache Configuration 16, 32, 64, or 128 MB through a single bank using
66 MHz, 3.3V unbuffered ECC SDRAM in a
single-sided or double-sided 168-pin DIMM.
Firmware 1 MB × 8 flash ROM
Nonvolatile RAM 32 KB × 8 for storing RAID configuration
Operating Voltage 5.00 V ± 0.25 V and 3.30V +/- 0.3V
SCSI Controller Two SCSI controllers for 160M and Wide support
SCSI Data Transfer
Rate
Up to 160 MB/s
SCSI Bus Low-voltage differential or SE
SCSI Termination Active
Termination Disable Automatic through cable detection
Devices per SCSI
Channel
Up to 15 wide or seven non-wide SCSI devices. Up
to 6 non-disk SCSI drives per MegaRAID
controller.
SCSI Device Types
Supported
Synchronous or Asynchronous. Disk and non-disk.
RAID Levels Supported 0, 1, 3, 5,10, 30, and 50
SCSI Connectors Two 68-pin internal high-density connectors for 16-
bit SCSI devices.
Four ultra-high density 68-pin external connectors
SCSI cables Up to 25 meters if using low voltage differential
Serial Port 9-pin RS232C-compatible berg
