American Megatrends MEGAPLEX II 4U MAN-782-CH4 User Manual
Megaplex II 4U
Chassis Guide
MAN-782-CH4
1/28/00
© Copyright 2000 American Megatrends, Inc
All rights reserved
All rights reserved.
American Megatrends, Inc.
6145F Northbelt Parkway
Norcross, GA 30071
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Information contained in this document is current at time of print and is subject to change without notice.
Revision History
1/28/00 Initial release.
ii Megaplex II 4U Chassis Guide
Table of Contents
Safety Summary......................................................................vi
1 General Information.....................................1
General Description of Chassis..............................................1
Front of Chassis........................................................................2
Back of Chassis.........................................................................2
Specifications............................................................................3
Cooling Fans..............................................................................6
Connectors on Back of Chassis..............................................7
Drive Bays on Front of Chassis.............................................8
2 Installation......................................................9
Unpacking and Inspection.......................................................9
Drive Installation.....................................................................10
Rack-Mount Installation........................................................13
3 Field Replaceable Units............................15
Replacing a Power Supply....................................................16
Replacing a Fan Module........................................................17
Index..........................................................................19
Preface iii
Preface
Limited Warranty The buyer agrees if this product proves to be defective, that American Megatrends is obligated only to repair
Limitations of Liability American Megatrends, Inc. shall in no event be held liable for any loss, expenses, or damages of any
or replace this product at American Megatrends’ discretion according to the terms and conditions of the
warranty registration card that accompanies this product. American Megatrends shall not be liable in tort or
contract for any loss or damage, direct, incidental or consequential resulting from the use of this product.
Please see the Warranty Registration Card shipped with this product for full warranty details.
kind whatsoever, whether direct, indirect, incidental, or consequential (whether arising from the design or use
of this product or the support materials provided with the product). No action or proceeding against American
Megatrends may be commenced more than two years after the delivery of product to Licensee of Licensed
Software.
Licensee agrees to defend and indemnify American Megatrends from any and all claims, suits, and liabilities
(including attorney’s fees) arising out of or resulting from any actual or alleged act or omission on the part of
Licensee, its authorized third parties, employees, or agents, in connection with the distribution of Licensed
Software to end-users, including, without limitation, claims, suits, and liability for bodily or other injuries to
end-users resulting from use of Licensee’s product not caused solely by faults in Licensed Software as
provided by American Megatrends to Licensee.
Technical Support If you need help installing, configuring, or using the Megaplex II system, call your American
Megatrends OEM Technical Support representative.
Web Site We invite you to access the American Megatrends world wide web site at:
http://www.ami.com.
FTP Site The address of the American Megatrends FTP site is:
ftp://ftp.megatrends.com
Cont’d
iv Megaplex II 4U Chassis Guide
Preface, Continued
Disclaimer This manual describes the operation of the American Megatrends Megaplex II 4U chassis. Although efforts
have been made to assure the accuracy of the information contained here, American Megatrends expressly
disclaims liability for any error in this information, and for damages, whether direct, indirect, special,
exemplary, consequential or otherwise, that may result from such error, including but not limited to the loss
of profits resulting from the use or misuse of the manual or information contained therein (even if American
Megatrends has been advised of the possibility of such damages). Any questions or comments regarding this
document or its contents should be addressed to American Megatrends at the address shown on the cover.
American Megatrends provides this publication “as is” without warranty of any kind, either expressed or
implied, including, but not limited to, the implied warranties of merchantability or fitness for a specific
purpose.
Some states do not allow disclaimer of express or implied warranties or the limitation or exclusion of liability
for indirect, special, exemplary, incidental or consequential damages in certain transactions; therefore, this
statement may not apply to you. Also, you may have other rights which vary from jurisdiction to jurisdiction.
This publication could include technical inaccuracies or typographical errors. Changes are periodically made
to the information herein; these changes will be incorporated in new editions of the publication. American
Megatrends may make improvements and/or revisions in the product(s) and/or the program(s) described in
this publication at any time.
Requests for technical information about American Megatrends products should be made to your American
Megatrends authorized reseller or marketing representative.
Preface v
Safety Summary
The following text describes the WARNINGS, CAUTIONS, and NOTES used throughout this
document. Each description is followed by an example. You should become familiar with these
procedures and always observe standard safety practices.
Warning Used to describe potential hazards to personnel. Follow directions carefully to avoid injury.
Warning
High voltage used in this equipment. To avoid injury or
electrical shock, do not remove cover or reach into the unit
when the power cord is connected.
Caution Used to describe hazards to equipment. Failure to comply with instruction may result in damage to
the equipment.
Caution
Support the drive canister with both hands when removing
it from the chassis. Failure to support the canister can
result in the unit falling and striking the chassis causing
damage to the canister or to the chassis.
Note: Provides information that will aid you in the interpretation of systems operations, procedures, or
functions.
Note: Do not duplicate ID numbers within the same SCSI bus.
vi Megaplex II 4U Chassis Guide
1 General Information
This manual provides general installation and maintenance information, including drive
installation and power supply replacement for the Megaplex II 4U chassis.
General Description of Chassis
The Megaplex II rack-mount chassis supports up to three 3.50" SCA (Single Connector
Attachment) Low Voltage Differential (LVD) 16-bit SCSI drives. SCA drives provide simple
installation via pluggable canisters. The SCA “no cable” design allows you to simply mount the
drive into the canister and plug into the chassis. The Megaplex II chassis includes:
• mounts for up to three drives,
• mounts for up to three power supplies,
• five cooling fans,
• four CPU activity LEDs
• three SCSI activity LEDs, and
• an Alarm Mute switch.
Peripheral Drives System peripherals include mountings for:
• one 5.25" half-high CD-ROM drive,
• one 3.5" floppy drive, and
• one 3.5" IDE (internal system drive.)
Power Supplies The chassis is supported by three 440W hot-pluggable power supplies. The N+1 redundant
arrangement allows the chassis to continue operation when one power supply fails. The power
supply is a modular, pluggable design. Power supplies are mounted from the rear of the chassis.
Each power supply plugs into the chassis power distribution board via a blind mate connector. The
power supplies are hot-pluggable units that can be replaced while the system remains operational.
Cooling Cooling is provided by three fans in the front of the chassis, and two fans in the middle (in an
assembly.)
Chapter 1 General Information 1
Front of Chassis
Back of Chassis
2 Megaplex II 4U Chassis Guide
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