Before using this information and the product it supports, be sure to read the information in
“Notices,” on page 47.
Fourth Edition (August 2005)
®
This edition applies to version 5, release 3, modification 0 of IBM Operating System/400
(product number
5722–SS1) and to all subsequent releases and modifications until otherwise indicated in new editions. This version
does not run on all reduced instruction set computer (RISC) models nor does it run on CISC models.
This feature is customer installable. However, the installation of this feature is intended for an
experienced user who understands industry terminology with system experience. Also, as you follow the
instructions, after removing the devices to make the system weigh less, three people are needed to
safely lift the unit onto the rack. When you use these instructions, you will perform some or all of the
following tasks:
v Perform prerequisite tasks.
v Remove the system unit covers.
v Install new hardware.
v Install covers.
v IPL your operating system.
v Verify your new hardware configuration.
You
program load (IPL) of your system, and verify your hardware configuration.
You can choose to perform these tasks yourself or contact IBM(R) or an authorized service provider to
make arrangements for them to perform the tasks for a fee. Should you encounter difficulties when
performing a task, contact your authorized dealer or service provider.
Rack safety instructions
CAUTION:
v Do notinstallaunitinarackwheretheinternalrackambienttemperatureswillexceed40degrees
C.
v Do notinstallaunitinarackwheretheairflowiscompromised.Anyside,frontorbackofaunit
used for air flow through the unit must not be in direct contact with the rack.
v Care shouldbetakentoensurethatahazardousconditionisnotcreatedduetounevenmechanical
loading when installing a unit in a rack. If the rack has a stabilizer it must be firmly attached
before uninstalling or removing this unit.
v Consideration shouldbegiventotheconnectionoftheequipmenttothesupplycircuitsothat
overloading of the circuits does not compromise the supply wiring or overcurrent protection. To
provide the correct power connection to a rack, refer to the rating labels located on the equipment
in the rack to determine the total power requirement of the supply circuit.
v An electricaloutletthatisnotcorrectlywiredcouldplacehazardousvoltageonthemetalpartsof
the system or the devices that attach to the system. It is the responsibility of the customer to ensure
that the outlet is correctly wired and grounded to prevent an electrical shock.
v Since thedesignandconfigurationofrackenclosuresvaries,considerationmustbegiventothe
placement of IBM units into third party racks and third party units into IBM racks. It is the
customer’s responsibility to ensure the unit can be safely mounted in the rack and the rack
enclosure adequately provides proper ventilation/cooling, proper stability, and sufficient structural
integrity for the unit when installed in the rack. (RSFTC247)
CAUTION:
These instructions describe how to install a rack stabilizer to the bottom front of each rack to prevent
the rack from falling over when you slide or pull out the system units. Do not attempt to slide out or
install any system units until the stabilizer is correctly installed. Use caution when moving the rack
and its system units. (RSFTC063)
CAUTION:
The weight of this part or unit is between 32 and 55 kilograms (70.5 and 121.2 pounds). It takes three
persons to safely lift this part or unit. (RSFTC205)
CAUTION:
When the unit is extended, its weight can turn over a rack that is not steady. Before you pull the unit
out of the rack, ensure that a rack stabilizer is attached to the bottom front of the rack.
Do not pull out more than one unit at a time. The rack can turn over if you pull out more than one
unit at a time. (RSFTC224)
Before you begin
Before you begin a replacement or installation task, follow these steps:
Rochester Manufacturing Automated Information Line (R–MAIL) at
®
release, and check the prerequisites.
Model 825 installation in a rack instructions
Some of the figures in these instructions may not look exactly like the system unit that you have.
However, the steps to perform the task are the same.
Are you installing a new 825 unit in a rack?
__ Yes: Go to “Rack installation instructions” on page 3.
__ No: Continue with the next step.
2 Model825InRackInstallationInstructionsV5R3
__ Ensure that you have a current backup of your system (including operating systems, licensed
programs, and data) if you are installing an existing up and running unit in a rack.
__ If you have installed logical partitions on your system unit, refer to the iSeries Information Center.
Go to Manage logical partitions in the iSeries Information Center to find instructions on powering
down a system with logical partitions.
__ If an Integrated xSeries Adapter (IXA) is present on the system, shut it down using OS/400
options.
__ Ensure that all jobs are complete.
__ When all jobs are complete, type pwrdwnsys *immed on an iSeries command line and press Enter.
__ When the iSeries is completely powered down, disconnect all PCs from the system unit. Power off
all devices, such as printers and displays, that are connected to the system unit.
__ Unplug any power cords, such as printers and displays, from electrical outlets.
__ Unplug the system unit and expansion unit power cords from the electrical outlets.
These instructions describe how to install a rack stabilizer to the bottom front of each rack to
prevent the rack from falling over when you slide or pull out the system units. Do not attempt
to slide out or install any system units until the stabilizer is correctly installed. Use caution
when moving the rack and its system units. (RSFTC063)