IBM ServeRAID-4 Ultra160 Series, User Reference

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Chapter 1. Product information
This book provides information needed to install and configure an IBM
ServeRAID-4H Ultra160 SCSI controller, IBM ServeRAID-4M Ultra160 SCSI
controller, IBM ServeRAID-4Mx Ultra160 SCSI controller, IBM ServeRAID-4L
Ultra160 SCSI controller, and IBM ServeRAID-4Lx Ultra160 SCSI controller
(hereafter referred to as IBM ServeRAID-4 Ultra160 SCSI controllers). These
high-performance, redundant array of independent disk (RAID) controllers are
ideally suited for data-storage environments that require superior performance,
flexibility, and reliable data storage. (See “Controller features” for more information.)
You also can use the configuration and reference information in this book to
configure the IBM ServeRAID controllers provided on some IBM server system
boards.
Option package contents
In addition to this book, the ServeRAID option package contains:
v
One of the following:
– IBM ServeRAID-4H Ultra160 SCSI controller
– IBM ServeRAID-4M Ultra160 SCSI controller
– IBM ServeRAID-4Mx Ultra160 SCSI controller
– IBM ServeRAID-4L Ultra160 SCSI controller
– IBM ServeRAID-4Lx Ultra160 SCSI controller
Attention: Do not open the static-protective package containing the controller
until you are instructed to do so.
v
IBM ServeRAID Support CD
See “IBM ServeRAID Support CD” on page xii for more detailed information.
Contact your place of purchase if any items are missing or damaged.
Controller features
Standard features of the ServeRAID controller are as follows.
Feature ServeRAID-4H ServeRAID-4M ServeRAID-4Mx ServeRAID-4L ServeRAID-4Lx
Arrays (max.) 8 8 8 8 8
Battery-backup cache Yes Yes Yes No No
Cache memory 128 MB 64 MB 64 MB 16 MB 32 MB
Hard disk drives (max.) 60 30 30 15 15
Logical drives (max.) 8 8 8 8 8
Microprocessor 266 MHz 100 MHz 100 MHz 100 MHz 100 MHz
SCSI channels 4 2 2 1 1
SCSI transfer speed
(max.) 160 MB per
sec. 160 MB per
sec. 160 MB per sec. 160 MB per
sec. 160 MB per sec.
© Copyright IBM Corp. 2001
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