Bull Power 5 Hardware Information

Hardware

Information

Voltage regulator

ESCALA POWER5

REFERENCE

86 A1 39EW 00

BLANK

ESCALA POWER5

Hardware Information

Voltage regulator

July 2006

BULL CEDOC

357 AVENUE PATTON

B.P.20845

49008 ANGERS CEDEX 01

FRANCE

REFERENCE

86 A1 39EW 00

Hardware

The following copyright notice protects this book under Copyright laws which prohibit such actions as, but not

limited to, copying, distributing, modifying, and making derivative works.

Copyright Bull SAS 1992, 2006

Printed in France

Suggestions and criticisms concerning the form, content, and presentation of this

book are invited. A form is provided at the end of this book for this purpose.

To order additional copies of this book or other Bull Technical Publications, you

are invited to use the Ordering Form also provided at the end of this book.

Trademarks and Acknowledgements

We acknowledge the right of proprietors of trademarks mentioned in this book.

AIX® is a registered trademark of International Business Machines Corporation, and is being used under licence.

UNIX® is a registered trademark in the United States of America and other countries licensed exclusively through

the Open Group.

Linux® is the registered trademark of Linus Torvalds in the U.S. and other countries

The information in this document is subject to change without notice. Bull will not be liable for errors contained

herein, or for incidental or consequential damages in connection with the use of this material.

Table of Contents

Voltage regulator...............................................................................................................................................1

Printable PDF.........................................................................................................................................1

Saving PDF files...............................................................................................................................2

Model ESCALA PL 250R-VL or ESCALA PL 450R-XS voltage regulator module.................................2

Remove the model ESCALA PL 250R-VL or ESCALA PL 450R-XS voltage regulator module......3

Replace the model ESCALA PL 250R-VL or ESCALA PL 450R-XS voltage regulator module.......3

Model ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+ voltage regulator module............................4

Remove the model ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+ voltage regulator

module......................................................................................................................................4

Replace the model ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+ voltage regulator

module......................................................................................................................................6

Model ESCALA PL 245T/R voltage regulator module............................................................................7

Remove the ESCALA PL 245T/R voltage regulator module............................................................8

Replace the ESCALA PL 245T/R voltage regulator module............................................................9

Model ESCALA PL 250T/R, PL 250T/R+ or PL 450T/R-L+ voltage regulator module.........................10

Remove the model ESCALA PL 250T/R, PL 250T/R+ or PL 450T/R-L+ voltage regulator

module....................................................................................................................................11

Replace the model ESCALA PL 250T/R, PL 250T/R+ or PL 450T/R-L+ voltage regulator

module....................................................................................................................................12

Model server or 112/85 voltage regulator module................................................................................13

Remove the model server or 112/85 voltage regulator module.....................................................14

Replace the model server or 112/85 voltage regulator module.....................................................15

Model ESCALA PL 450T/R, PL 450T/R+ or PL 850T/R-L+ voltage regulator module.........................16

Install a model ESCALA PL 450T/R, PL 450T/R+ or PL 850T/R-L+ voltage regulator module.....17

Remove and replace a model ESCALA PL 450T/R, PL 450T/R+ or PL 850T/R-L+ voltage

regulator module.....................................................................................................................18

Model ESCALA PL 1650R-L+ or ESCALA PL 850R/PL 1650R/R+ voltage regulator assembly.........22

Install the model ESCALA PL 1650R-L+ or ESCALA PL 850R/PL 1650R/R+ voltage regulator

assembly with power on.........................................................................................................23

Remove and replace the model ESCALA PL 1650R-L+ or ESCALA PL 850R/PL 1650R/R+

voltage regulator assembly with power on..............................................................................24

Install the model ESCALA PL 1650R-L+ or ESCALA PL 850R/PL 1650R/R+ voltage regulator

assembly with power off.........................................................................................................26

Remove and replace the model ESCALA PL 1650R-L+ or ESCALA PL 850R/PL 1650R/R+

voltage regulator assembly with power off..............................................................................27

Related procedures.........................................................................................................................................31

Before you begin...................................................................................................................................31

Start or stop the system or logical partition...........................................................................................33

Start the system or logical partition................................................................................................33

Stop the system or logical partition................................................................................................35

Place the rack-mounted model ESCALA PL 245T/R in the service position or operating position......37

Place the rack-mounted model ESCALA PL 245T/R in the operating position..............................37

Place the rack-mounted model ESCALA PL 245T/R in the service position.................................38

Place the rack-mounted system or expansion unit in the service position or operating position..........40

Place the rack-mounted system or expansion unit in the service position.....................................41

Place the rack-mounted system or expansion unit in the operating position.................................43

Open the model ESCALA PL 250R-VL or ESCALA PL 450R-XS service access panel......................45

Place the model ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+ or 7/10 in the service position...47

Place the model ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+ or 7/10 in the operating

position................................................................................................................................................49

Model 112/85, ESCALA PL 250T/R, PL 250T/R+ or PL 450T/R-L+, ESCALA PL 450T/R, PL

450T/R+ or PL 850T/R-L+, door..........................................................................................................49

Remove the door from the model 112/85, ESCALA PL 250T/R, PL 250T/R+ or PL 450T/R-L+

, ESCALA PL 450T/R, PL 450T/R+ or PL 850T/R-L+,............................................................50

Install or replace the door on the model 112/85, ESCALA PL 250T/R, PL 250T/R+ or PL

450T/R-L+, ESCALA PL 450T/R, PL 450T/R+ or PL 850T/R-L+,..........................................51

Front cover............................................................................................................................................53

Remove and replace model ESCALA PL 245T/R covers and doors.............................................53

Front cover for models 112/85, ESCALA PL 250T/R, PL 250T/R+ or PL 450T/R-L+, ESCALA

PL 450T/R, PL 450T/R+ or PL 850T/R-L+, and the 05/95 expansion unit.............................57

Front cover for the model ESCALA PL 1650R-L+ or ESCALA PL 850R/PL 1650R/R+................61

Remove the front cover from the model ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+ or

7/10......................................................................................................................................................62

Voltage regulator

i

Table of Contents

Related procedures

Gain access to the model ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+ control panels......63

Install the front cover on the model ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+ or 7/10.........63

Model 112/85, ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+, ESCALA PL 250T/R, PL

250T/R+ or PL 450T/R-L+, ESCALA PL 450T/R, PL 450T/R+ or PL 850T/R-L+, 7/10, service

access cover........................................................................................................................................64

Remove the service access cover from the model 112/85, ESCALA PL 250R-L, PL 250R-L+

or PL 450R-VL+, ESCALA PL 250T/R, PL 250T/R+ or PL 450T/R-L+, ESCALA PL

450T/R, PL 450T/R+ or PL 850T/R-L+, 7/10,.........................................................................64

Install the service access cover on the model 112/85, ESCALA PL 250R-L, PL 250R-L+ or

PL 450R-VL+, ESCALA PL 250T/R, PL 250T/R+ or PL 450T/R-L+, ESCALA PL 450T/R,

PL 450T/R+ or PL 850T/R-L+, 7/10,.......................................................................................71

Install a feature using the Hardware Management Console.................................................................74

Remove a part using the Hardware Management Console..................................................................75

Replace a part using the Hardware Management Console..................................................................75

Identify a failing part..............................................................................................................................76

Identify a failing part on a model ESCALA PL 245T/R...................................................................76

Identify a failing part on an AIX system or logical partition.............................................................77

Identify a failing part on a Linux system or logical partition............................................................79

Identify a failing part using the Advanced System Management Interface....................................81

Verify the installed part.........................................................................................................................83

Verify an installed feature or replaced part on an AIX system or logical partition..........................83

Verify the installed part on a Linux system or logical partition (run AIX diagnostics).....................85

Verify the presence of an installed part using Hardware Management Console (HMC)................87

Verify the presence of an installed part using the Advanced System Management Interface

(ASMI).....................................................................................................................................88

Voltage regulator

ii

Voltage regulator

These procedures describe the removal and replacement of a voltage regulator.

Replacing this feature is a customer task. You can perform this task yourself or contact a service provider to

perform the task for you. You might be charged a fee by the service provider for this service.

DANGERWhen working on or around the system, observe the following precautions:

Electrical voltage and current from power, telephone, and communication cables are hazardous. To avoid a

shock hazard:

Connect power to this unit only with the provided power cord. Do not use the provided power cord for

any other product.

•

Do not open or service any power supply assembly.•

Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration of

this product during an electrical storm.

•

The product might be equipped with multiple power cords. To remove all hazardous voltages,

disconnect all power cords.

•

Connect all power cords to a properly wired and grounded electrical outlet. Ensure that the outlet

supplies proper voltage and phase rotation according to the system rating plate.

•

Connect any equipment that will be attached to this product to properly wired outlets.•

When possible, use one hand only to connect or disconnect signal cables.•

Never turn on any equipment when there is evidence of fire, water, or structural damage.•

Disconnect the attached power cords, telecommunications systems, networks, and modems before

you open the device covers, unless instructed otherwise in the installation and configuration

procedures.

•

Connect and disconnect cables as described in the following procedures when installing, moving, or

opening covers on this product or attached devices.

To Disconnect:

Turn off everything (unless instructed otherwise).1.

Remove the power cords from the outlets.2.

Remove the signal cables from the connectors.3.

Remove all cables from the devices4.

To Connect:

Turn off everything (unless instructed otherwise).1.

Attach all cables to the devices.2.

Attach the signal cables to the connectors.3.

Attach the power cords to the outlets.4.

Turn on the devices.5.

(D005)

•

Printable PDF

Use this to view and print a PDF of this information.

•

Model ESCALA PL 250R-VL or ESCALA PL 450R-XS voltage regulator module•

Model ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+ voltage regulator module•

Model ESCALA PL 245T/R voltage regulator module•

Model ESCALA PL 250T/R, PL 250T/R+ or PL 450T/R-L+ voltage regulator module•

Model server voltage regulator module•

Model ESCALA PL 450T/R, PL 450T/R+ or PL 850T/R-L+ voltage regulator module•

Model ESCALA PL 1650R-L+ or ESCALA PL 850R/PL 1650R/R+ voltage regulator assembly•

Printable PDF

Use this to view and print a PDF of this information.

Voltage regulator 1

To view or download the PDF version of this document, select Voltage regulator (about 11069 KB).

Saving PDF files

To save a PDF on your workstation for viewing or printing:

Right-click the PDF link in your browser.1.

Click the option that saves the PDF locally.2.

Navigate to the directory in which you want to save the PDF.3.

Click Save.4.

Downloading Adobe Reader

You need Adobe Reader installed on your system to view or print these PDFs. You can download a free copy

from the Adobe Web site (www.adobe.com/products/acrobat/readstep2.html).

Parent topic: Voltage regulator

Model ESCALA PL 250R-VL or ESCALA PL 450R-XS voltage regulator

module

The system backplane A in the server contains two voltage regulator modules B.

Figure 1. Voltage regulator module locations for model ESCALA PL 250R-VL or ESCALA PL 450R-XS

To remove and replace the voltage regulator modules, see the following sections.

Remove the model ESCALA PL 250R-VL or ESCALA PL 450R-XS voltage regulator module•

Replace the model ESCALA PL 250R-VL or ESCALA PL 450R-XS voltage regulator module•

Parent topic:

Voltage regulator

2 Printable PDF

Remove the model ESCALA PL 250R-VL or ESCALA PL 450R-XS

voltage regulator module

To remove a voltage regulator module, do the following:

Perform the prerequisite tasks in Before you begin.1.

Stop the system or logical partition.2.

Disconnect the cables from the back of the system.3.

Disconnect the cable management arm.4.

Remove the service access cover from the system. Refer to Remove the service access cover from

the rack-mounted model ESCALA PL 250R-VL or ESCALA PL 450R-XS

5.

Identify the voltage regulator modules on the system backplane. Refer to Figure 1.6.

Push the connector tabs A out and then down, as shown in the following figure.7.

Pull the voltage regulator module B out of the connector.

Figure 1. Removal of the voltage regulator module

8.

Place the voltage regulator module on an electrostatic discharge (ESD) surface.9.

Next topic: Replace the model ESCALA PL 250R-VL or ESCALA PL 450R-XS voltage regulator module

Parent topic: Model ESCALA PL 250R-VL or ESCALA PL 450R-XS voltage regulator module

Replace the model ESCALA PL 250R-VL or ESCALA PL 450R-XS

voltage regulator module

To replace a voltage regulator module, do the following:

Remove the voltage regulator module from its antistatic package.1.

Push the connector tabs A out to the unlocked position.2.

Carefully grasp the voltage regulator module along two edges and align it with the connector.3.

Insert the voltage regulator module into the connector.4.

Secure the voltage regulator module by pushing in the connector tabs B.

Figure 1. Installation of the voltage regulator module

5.

Voltage regulator

Remove the model ESCALA PL 250R-VL or ESCALA PL 450R-XS voltage regulator module 3

Replace the system access cover. Refer to Install the service access cover on the rack-mounted

model ESCALA PL 250R-VL or ESCALA PL 450R-XS.

6.

Install the system in the rack.7.

Reconnect the cables to the system.8.

Start the system or logical partition.9.

Verify the installed part.10.

Parent topic: Model ESCALA PL 250R-VL or ESCALA PL 450R-XS voltage regulator module

Model ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+ voltage

regulator module

The system backplane A in the model ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+ contains three

voltage regulator modules. The following figure shows the location of two 1.3 V dc modules C and the 2.5 V

dc module B. (Your system might have only one 1.3 V dc module.)

Figure 1. Voltage regulator modules

Remove the model ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+ voltage regulator module•

Replace the model ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+ voltage regulator module•

Parent topic: Voltage regulator

Remove the model ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+

voltage regulator module

Voltage regulator

4 Replace the model ESCALA PL 250R-VL or ESCALA PL 450R-XSvoltage regulator module

To remove a voltage regulator module, do the following:

Perform the prerequisite tasks described in Before you begin.1.

Stop the system or logical partition.2.

If you have a rack-mounted system, remove the front cover. Refer to Remove the front cover from the

model ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+ .

3.

If you have a rack-mounted system, place it in the service position. Refer to Place the model ESCALA

PL 250R-L, PL 250R-L+ or PL 450R-VL+ __in the service position.

4.

Remove the service access cover. Refer to Remove the service access cover from the model 112/85,

ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+, ESCALA PL 250T/R, PL 250T/R+ or PL

450T/R-L+, ESCALA PL 450T/R, PL 450T/R+ or PL 850T/R-L+, .

5.

If necessary, identify the failing module that you need to replace. Figure 1 shows the two, 1.3 V dc

modules. Your system might have only one 1.3 V dc module. If there are two 1.3 V dc modules, and

one of them is failing, both of the 1.3 V dc modules must be replaced. Figure 2 shows the 2.5 V dc

module. There is another illustration of modules in Model ESCALA PL 250R-L, PL 250R-L+ or PL

450R-VL+ voltage regulator module.

6.

Remove the voltage regulator module from the backplane by following these steps:

Note: The voltage regulator modules are attached to the system backplane. If two 1.3 V dc voltage

regulator modules are installed, both must be removed and replaced.

Push the connector tabs A out and then down, as shown in the following figures.a.

Pull the voltage regulator module B out of the connector.b.

Figure 1. Removal of the 1.3 V dc module voltage regulator module

Figure 2. Removal of the 2.5 V dc module voltage regulator module

7.

Voltage regulator

Remove the model ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+voltage regulator module 5

Place the voltage regulator module on an acceptable electrostatic discharge (ESD) surface.8.

Next topic: Replace the model ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+ voltage regulator module

Parent topic: Model ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+ voltage regulator module

Replace the model ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+

voltage regulator module

To replace a voltage regulator module, do the following:

Note: If two 1.3 V dc voltage regulator modules were installed, replace both modules.

Remove the voltage regulator module from its antistatic package.1.

Install the voltage regulator module by following these steps:

As shown in the following figures, ensure that the connector tabs A are pushed out to the

unlocked position.

Figure 1. Installation of the 1.3 V dc voltage regulator module

a.

2.

Voltage regulator

6 Replace the model ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+ voltage regulator module

Figure 2. Installation of the 2.5 V dc voltage regulator module

Carefully grasp the voltage regulator module along two edges and align it with the connector.b.

Insert the voltage regulator module B into the connector.c.

Secure the voltage regulator module by pushing in the connector tabs A.d.

Replace the service access cover. Refer to Install the service access cover on the model 112/85,

ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+, ESCALA PL 250T/R, PL 250T/R+ or PL

450T/R-L+, ESCALA PL 450T/R, PL 450T/R+ or PL 850T/R-L+, .

3.

If you have a rack-mounted system, place it in the operating position. Refer to Place the model

ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+ __in the operating position.

4.

If you have a rack-mounted system, replace the front cover. Refer to Install the front cover on the

model ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+ .

5.

Start the system or logical partition.6.

Verify that the system processor assembly is functional. Refer to Verify the installed part.7.

Parent topic: Model ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+ voltage regulator module

Model ESCALA PL 245T/R voltage regulator module

The system backplane A in the ESCALA PL 245T/R contains either one or two voltage regulator modules B.

Figure 1. Voltage regulator module locations for ESCALA PL 245T/R

Voltage regulator

Model ESCALA PL 245T/R voltage regulator module 7

Remove the ESCALA PL 245T/R voltage regulator module•

Replace the ESCALA PL 245T/R voltage regulator module•

Parent topic: Voltage regulator

Remove the ESCALA PL 245T/R voltage regulator module

To remove a voltage regulator module, follow these steps:

Perform the prerequisite tasks in Before you begin.1.

If you have a rack-mounted system, place it in the service position. Refer to Place the rack-mounted

model ESCALA PL 245T/R in the service position.

2.

Remove the service access cover from the system. Refer to Remove and replace model ESCALA PL

245T/R covers and doors.

3.

Identify the voltage regulator module that you need to replace. Refer to Identify a failing part.4.

Stop the system or logical partition.5.

Disconnect the power cables from the power supply.6.

Push the drive-cage release tab A up and rotate the drive cage all the way out of the system until it

locks into place over the drive-cage retention tab, as shown in the following figure.

Figure 1. Rotate the drive cage out of the system

7.

Voltage regulator

8 Remove the ESCALA PL 245T/R voltage regulator module

Remove the system unit air baffle. Refer to Remove the model ESCALA PL 245T/R system unit air

baffle.

8.

Identify the voltage regulator modules on the system backplane.

Note: To access the voltage regulator in the rack orientation, partially pull out the lower media device.

Refer to Figure 1.

9.

Push the connector tabs A out and then down, as shown in the following figure.10.

Pull the voltage regulator module B out of the connector.

Figure 2. Removal of the voltage regulator module

11.

Place the voltage regulator module on an electrostatic discharge (ESD) surface.12.

Next topic: Replace the ESCALA PL 245T/R voltage regulator module

Parent topic: Model ESCALA PL 245T/R voltage regulator module

Replace the ESCALA PL 245T/R voltage regulator module

To replace a voltage regulator module, follow these steps:

Remove the voltage regulator module from its antistatic package.1.

Push the connector tabs A out to the unlocked position.2.

Carefully grasp the voltage regulator module along two edges and align it with the connector.3.

Insert the voltage regulator module into the connector.4.

Secure the voltage regulator module by pushing in the connector tabs B.

Figure 1. Installation of the voltage regulator module

5.

Voltage regulator

Replace the ESCALA PL 245T/R voltage regulator module 9

Replace the system unit air baffle. Refer to Replace the model ESCALA PL 245T/R system unit air

baffle.

6.

Replace the system access cover. Refer to Remove and replace model ESCALA PL 245T/R covers

and doors.

7.

If you have a rack-mounted system, place it in the operating position. Refer to Place the

rack-mounted model ESCALA PL 245T/R in the operating position.

8.

Restore power to the system by reconnecting the system power cables.9.

Start the system or logical partition.10.

Verify the installed part.11.

Parent topic: Model ESCALA PL 245T/R voltage regulator module

Model ESCALA PL 250T/R, PL 250T/R+ or PL 450T/R-L+ voltage

regulator module

These procedures describe the removal and replacement of the voltage regulators in the server model

ESCALA PL 250T/R, PL 250T/R+ or PL 450T/R-L+.

The system backplane A in the model ESCALA PL 250T/R contains three voltage regulator modules. See the

following figure for the location of 2.5 V dc module B, the 1.5 V dc module C, and the 1.2 V dc module D.

The following procedures describe the removal and replacement of the voltage regulator modules.

To complete these procedures, you need to print the following topics and then return here.

If you are removing the 2.5 V dc module B or the 1.5 V dc module C, Remove and replace the model

ESCALA PL 250T/R power supply.

•

If you are removing the 1.2 V dc module D, Remove the model ESCALA PL 250T/R fan tray

assembly.

•

Voltage regulator

10 Model ESCALA PL 250T/R, PL 250T/R+ or PL 450T/R-L+ voltage regulator module

To print PDFs of these topics, go to Select by feature or part.

Remove the model ESCALA PL 250T/R, PL 250T/R+ or PL 450T/R-L+ voltage regulator module•

Replace the model ESCALA PL 250T/R, PL 250T/R+ or PL 450T/R-L+ voltage regulator module•

Parent topic: Voltage regulator

Remove the model ESCALA PL 250T/R, PL 250T/R+ or PL 450T/R-L+

voltage regulator module

If your system is managed by the Hardware Management Console (HMC), you can use the HMC to complete

the steps for removing a voltage regulator module. For instructions, see Remove a part using the Hardware

Management Console.

To remove a voltage regulator module, do the following:

Perform the prerequisite tasks as described in Before you begin.1.

If necessary, identify the voltage regulator module that you need to replace. Refer to Identify a failing

part.

2.

Stop the system or logical partition.3.

If you are removing the 1.5 V dc or 2.5 V dc module, disconnect the power cables from the primary

power supply and secondary power supply (if present).

4.

If you have a rack-mounted system, remove the front cover. Refer to Remove the front cover from the

rack-mounted model 112/85, ESCALA PL 250T/R, PL 250T/R+ or PL 450T/R-L+, ESCALA PL

450T/R, PL 450T/R+ or PL 850T/R-L+, and the 05/95 expansion unit.

5.

If you have a rack-mounted system, place it in the service position. Refer to Place the rack-mounted

system or expansion unit in the service position.

6.

Remove the service access cover. Refer to Remove the service access cover from the model 112/85,

ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+, ESCALA PL 250T/R, PL 250T/R+ or PL

450T/R-L+, ESCALA PL 450T/R, PL 450T/R+ or PL 850T/R-L+, .

7.

Access a voltage regulator module by doing one of the following:

If you are removing the 1.5 V dc or 2.5 V dc module, remove the primary power supply and

secondary power supply or filler. Refer to Remove and replace the model ESCALA PL

250T/R, PL 250T/R+ or PL 450T/R-L+ power supply.

♦

If you are removing the 1.2 V dc module, remove the fan tray assembly. Refer to Remove the

model ESCALA PL 250T/R, PL 250T/R+ or PL 450T/R-L+ fan tray assembly.

♦

8.

Remove the voltage regulator module by doing the following:

If you are removing the 1.5 V dc or 2.5 V dc module, do the following:♦

Push the connector tabs A out and then down, as shown in the following figure.a.

Pull the voltage regulator module B out of the connector.b.

If you are removing the 1.2 V dc module, do the following, as shown in Figure 1:♦

Push the connector pins A toward the front of the system to unlock the module as shown in

the following figures.

a.

Pull the module B from the connector.b.

9.

Voltage regulator

Remove the model ESCALA PL 250T/R, PL 250T/R+ or PL 450T/R-L+ voltage regulator module 11

Figure 1. Remove the voltage regulator module (1.2 V dc)

Place the voltage regulator module on an acceptable electrostatic discharge (ESD) surface.10.

Next topic: Replace the model ESCALA PL 250T/R, PL 250T/R+ or PL 450T/R-L+ voltage regulator module

Parent topic: Model ESCALA PL 250T/R, PL 250T/R+ or PL 450T/R-L+ voltage regulator module

Replace the model ESCALA PL 250T/R, PL 250T/R+ or PL 450T/R-L+

voltage regulator module

If your system is managed by the Hardware Management Console (HMC), you can use the HMC to complete

the steps for replacing a voltage regulator module. For instructions, see Replace a part using the Hardware

Management Console.

To replace a voltage regulator module, do the following:

Remove the voltage regulator module from its antistatic package.1.

Install the voltage regulator module by doing the following:

If you are installing the 1.5 V dc or 2.5 V dc module, do the following.♦

Ensure that the connector tabs are pushed out to the unlocked position A before installing a

new voltage regulator module, as shown in the following figure.

a.

2.

Voltage regulator

12 Replace the model ESCALA PL 250T/R, PL 250T/R+ or PL 450T/R-L+ voltage regulator module

Carefully grasp the voltage regulator module along two edges and align it with the connector.b.

Insert the voltage regulator module into the connector.c.

Secure the voltage regulator module by pushing in the connector tabs B.d.

If you are installing the 1.2 V dc module, do the following.♦

Ensure that the connector pins A are pushed toward the front of the system in the unlocked

position before installing a new voltage regulator module.

a.

Carefully grasp the voltage regulator module along two edges and align it with the connector.b.

Insert the voltage regulator module B into the connector.c.

Secure the voltage regulator module by pushing the connector pins A toward the back of the

system into the locked position.

d.

Do one of the following:

Replace the primary power supply and secondary power supply if you removed them. Refer

to Model ESCALA PL 250T/R, PL 250T/R+ or PL 450T/R-L+ power supply.

♦

Replace the fan tray assembly if you removed it. Refer to Replace the model ESCALA PL

250T/R, PL 250T/R+ or PL 450T/R-L+ fan tray assembly.

♦

3.

Replace the model ESCALA PL 250T/R service access cover. Refer to Install the service access

cover on the model 112/85, ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+, ESCALA PL 250T/R,

PL 250T/R+ or PL 450T/R-L+, ESCALA PL 450T/R, PL 450T/R+ or PL 850T/R-L+, .

4.

If you have a rack-mounted system, place it in the operating position. Refer to Place the

rack-mounted system or expansion unit in the operating position.

5.

If you have a rack-mounted system, replace the front cover. Refer to Install the front cover on the

rack-mounted model 112/85, ESCALA PL 250T/R, PL 250T/R+ or PL 450T/R-L+, ESCALA PL

450T/R, PL 450T/R+ or PL 850T/R-L+, , or the 05/95 expansion unit.

6.

Restore power to the system by reconnecting the system power cables.7.

Start the system or logical partition.8.

Verify that the system processor assembly is functional. Refer to Verify the installed part.9.

Parent topic: Model ESCALA PL 250T/R, PL 250T/R+ or PL 450T/R-L+ voltage regulator module

Model server or 112/85 voltage regulator module

These procedures describe the removal and replacement of the voltage regulators in the server ESCALA PL

250T/R .

The system backplane A in contains two voltage regulator modules B.

Figure 1. Voltage regulator module locations

Voltage regulator

Model server or 112/85 voltage regulator module 13

Note: Your system might have only one voltage regulator module. If there are two modules, and one of them

is failing, both of the modules must be replaced.

The following procedures describe the removal and replacement of the voltage regulator modules.

Remove the model server voltage regulator module•

Replace the model server voltage regulator module•

Parent topic: Voltage regulator

Remove the model server or 112/85 voltage regulator module

If your system is managed by the Hardware Management Console (HMC), you can use the HMC to complete

the steps for removing a voltage regulator module. For instructions, see Remove a part using the Hardware

Management Console.

To remove a voltage regulator module, do the following:

Perform the prerequisite tasks as described in Before you begin.1.

If necessary, identify the voltage regulator module that you need to replace. Refer to Identify a failing

part.

2.

Stop the system or logical partition.3.

Disconnect the power cables from the primary power supply and secondary power supply (if present).4.

If you have a rack-mounted system, remove the front cover. Refer to Remove the front cover from the

rack-mounted model 112/85, ESCALA PL 250T/R, PL 250T/R+ or PL 450T/R-L+, ESCALA PL

450T/R, PL 450T/R+ or PL 850T/R-L+, and the 05/95 expansion unit.

5.

If you have a rack-mounted system, place it in the service position. Refer to Place the rack-mounted

system or expansion unit in the service position.

6.

Remove the service access cover. Refer to Remove the service access cover from the model 112/85,

ESCALA PL 250R-L, PL 250R-L+ or PL 450R-VL+, ESCALA PL 250T/R, PL 250T/R+ or PL

450T/R-L+, ESCALA PL 450T/R, PL 450T/R+ or PL 850T/R-L+, .

7.

Remove the fan tray assembly. Refer to Remove the model ESCALA PL 250T/R fan tray assembly8.

Remove the voltage regulator module by doing the following:

Push the connector tabs A out and then down, as shown in the following figure.a.

Pull the voltage regulator module B out of the connector.b.

9.

Voltage regulator

14 Remove the model server or 112/85 voltage regulator module

Page is loading ...

Bull Power 5 Hardware Information

Bull Power 5 Hardware Information

Related papers

Other documents