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MegaRAID SCSI 320-0 Hardware Guide 1-1
Copyright © 2002 by LSI Logic Corporation. All rights reserved.
Chapter 1
Overview
This chapter provides an overview of the MegaRAID
®
SCSI 320-0 and
basic SCSI features. It contains the following sections:
· Section 1.1, “Features”
· Section 1.2, “NVRAM and Flash ROM”
· Section 1.3, “Single-Ended and Differential SCSI Buses”
· Section 1.4, “Maximum Cable Length for SCSI Standards”
· Section 1.5, “SCSI Bus Widths and Maximum Throughput”
· Section 1.6, “Documentation”
The MegaRAID SCSI 320-0 zero-channel RAID (ZCR) controller is a
high-performance intelligent PCI-to-SCSI host adapter with RAID control
capabilities. The MegaRAID SCSI 320-0 is a low-profile card that
provides reliability, high performance, and fault-tolerant disk subsystem
management.
MegaRAID SCSI 320-0 can be installed in a special PCI expansion slot
in a computer with a motherboard that has the LSI Logic 53C1030 SCSI
chip. The zero-channel adapter converts a motherboard’s own on-board
SCSI controller into a powerful PCI SCSI RAID solution, and is targeted
for 1U and 2U server environments.
The MegaRAID SCSI 320-0 is part of the LSI Logic Intel i960RM/RS-
based MegaRAID controller family, and is an entry-level to mid-range
RAID controller solution. This controller offers a cost-effective way to
implement RAID in a server.
The MegaRAID SCSI 320-0 supports data transfer rates up to 320
Mbytes/s per channel, and it supports up to fifteen non-Ultra SCSI
devices. MegaRAID SCSI 320-0 includes MegaRAID features and
performance.