LSI LSI53C1030, Technical Manual

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1-4 Introduction
Version 2.1 Copyright © 2001, 2002, 2003 by LSI Logic Corporation. All rights reserved.
Figure 1.2 Typical LSI53C1030 System Application
The LSI53C1030 supports the LSI Logic Integrated Mirroring
™
(IM)
technology, which provides physical mirroring of the boot volume through
LSI53C1030 firmware. This feature provides extra reliability for the
system’s boot volume without burdening the host CPU. Keeping a
second disk as a mirror requires the LSI Logic Fusion-MPT firmware,
which performs writes to both the boot drive and the mirrored drive. The
runtime mirroring of the boot drive is transparent to the BIOS, drivers,
and operating system.
The IM firmware requires a configuration mechanism, which enables
configuration of the mirroring attributes during initial setup or
reconfiguration after hardware failures or changes in the system
environment. Use the LSI Logic BIOS Configuration Utility or the IM DOS
Configuration Utility to configure the IM firmware attributes. Using the LSI
Logic BIOS and drivers adds support of physical device recognition for
Fixed Disk, Optical Disk,
Printer, Tape, and Other
SCSI Peripherals
Fixed Disk, Optical Disk,
Printer, Tape, and Other
SCSI Peripherals
O
n
e P
C
I
Bus
Load
PCI Graphic Accelerator
PCI Fast Ethernet
Memory
Controller
Memory
PCI-X Bus
Interface
Controller
Central
Processing
Unit
(CPU)
Proc
essor Bus
LSI53C1030 PCI-X
to Ultra320 SCSI
Channel [0]
and
LSI53C1030 PCI-X
to Ultra320 SCSI
Channel [1]
SCSI Bus
SCSI Bus
PCI-X Bus