IBM 8231-E2B, 8231-E1C, 8231-E2D, 8268-E1D, 8231-E2C User Manual
...
Power Systems
System backplane for the
8231-E2B, 8231-E1C, 8231-E1D,
8231-E2C, 8231-E2D, or 8268-E1D
IBM
Power Systems
System backplane for the
8231-E2B, 8231-E1C, 8231-E1D,
8231-E2C, 8231-E2D, or 8268-E1D
IBM
Note
Before using this information and the product it supports, read the information in “Safety notices” on page v, “Notices” on
page 89, the IBM Systems Safety Notices manual, G229-9054, and the IBM Environmental Notices and User Guide, Z125–5823.
This edition applies to IBM Power Systems servers that contain the POWER7 processor and to all associated
models.
© Copyright IBM Corporation 2010, 2016.
US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract
with IBM Corp.
Contents
Safety notices ................................. v
System backplane .............................. 1
Removing and replacing the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or
8268-E1D system backplane ........................... 3
Removing the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D system backplane....... 3
Replacing the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D system backplane ...... 15
Common procedures for installable features ................... 33
Before you begin ................................. 33
Identifying a part ................................. 35
Control panel LEDs................................ 35
Identifying a failing part in an AIX system or logical partition ................. 37
Locating a failing part in an AIX system or logical partition ................. 37
Activating the indicator light for the failing part ..................... 37
Deactivating the failing-part indicator light ....................... 37
Identifying a failing part in an IBM i system or logical partition ................. 37
Activating the failing-part indicator light ....................... 38
Deactivating the failing-part indicator light ....................... 38
Identifying a failing part in a Linux system or logical partition ................. 39
Locating a failing part in a Linux system or logical partition ................. 39
Finding the location code of a failing part in a Linux system or logical partition .......... 39
Activating the indicator light for the failing part ..................... 40
Deactivating the failing-part indicator light ....................... 40
Locating a failing part in a Virtual I/O Server system or logical partition.............. 40
Identifying a part by using the Virtual I/O Server .................... 40
Starting the system or logical partition .......................... 41
Starting a system that is not managed by an HMC or an SDMC ................. 41
Starting a system or logical partition by using the HMC ................... 42
Starting a system or virtual server by using the SDMC .................... 42
Stopping a system or logical partition .......................... 43
Stopping a system that is not managed by an HMC or an SDMC ................ 43
Stopping a system by using the HMC ......................... 44
Stopping a system by using the SDMC ......................... 45
Enabling enclosure indicators ............................. 45
Removing and replacing covers on the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D system 46
Removing the service access cover from the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D 46
Installing the service access cover on the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D .. 47
Placing the rack-mounted 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D system into the service
position or operating position ............................. 47
Placing the rack-mounted 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D into the service
position ................................... 47
Placing the rack-mounted 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D into the operating
position ................................... 48
Disconnecting the power cords from the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D ... 50
Connecting the power cords to the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D ..... 50
Installing a part by using the HMC ........................... 51
Removing a part by using the HMC ........................... 52
Replacing a part by using the HMC ........................... 52
Installing a part by using the SDMC ........................... 52
Removing a part by using the SDMC........................... 53
Replacing a part by using the SDMC ........................... 53
Verifying the installed part .............................. 54
© Copyright IBM Corp. 2010, 2016 iii
Verifying an installed feature or replaced part in an AIX system or logical partition .......... 54
Verifying the installed part in an IBM i system or logical partition ................ 56
Deactivating the failing-part indicator light ....................... 57
Verifying the installed part in a Linux system or logical partition ................ 57
Verifying an installed part by using stand-alone diagnostics .................. 57
Verifying the installed part by using the HMC....................... 59
Activating and deactivating LEDs by using the HMC ................... 59
Deactivating a system attention LED or partition LED by using the HMC ........... 59
Activating or deactivating an identify LED by using the HMC ............... 60
Viewing serviceable events by using the HMC...................... 60
Verifying the installed part by using the SDMC ...................... 61
Activating and deactivating LEDs by using the SDMC ................... 61
Deactivating a system attention LED or partition LED by using the SDMC ........... 61
Activating or deactivating an identify LED by using the SDMC ............... 62
Viewing serviceable events by using the SDMC ..................... 62
Verifying an installed part or replaced part on a system or logical partition by using Virtual I/O Server tools 63
Verifying the installed part by using VIOS ....................... 63
Verify the replacement part by using VIOS ....................... 63
Verifying a repair ................................. 65
Verifying the repair in AIX ............................. 66
Verifying a repair by using an IBM i system or logical partition ................. 69
Verifying the repair in Linux ............................ 71
Verifying the repair from the management console ..................... 71
Closing a service call ................................ 73
Closing a service call by using AIX or Linux ....................... 77
Closing a service call by using Integrated Virtualization Manager ................ 81
Activating and deactivating LEDs ............................ 85
Deactivating a system attention LED or partition LED by using the management console ........ 86
Activating or deactivating an identify LED by using the management console ............ 87
Deactivating a system attention LED or logical partition LED by using the Advanced System Management
Interface ................................... 87
Activating or deactivating an identify LED by using the Advanced System Management Interface ..... 88
Notices ................................... 89
Trademarks ................................... 90
Electronic emission notices .............................. 90
Class A Notices ................................. 90
Class B Notices ................................. 94
Terms and conditions ................................ 97
iv Power Systems: System backplane for the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D
Safety notices
Safety notices may be printed throughout this guide:
v DANGER notices call attention to a situation that is potentially lethal or extremely hazardous to
people.
v CAUTION notices call attention to a situation that is potentially hazardous to people because of some
existing condition.
v Attention notices call attention to the possibility of damage to a program, device, system, or data.
World Trade safety information
Several countries require the safety information contained in product publications to be presented in their
national languages. If this requirement applies to your country, safety information documentation is
included in the publications package (such as in printed documentation, on DVD, or as part of the
product) shipped with the product. The documentation contains the safety information in your national
language with references to the U.S. English source. Before using a U.S. English publication to install,
operate, or service this product, you must first become familiar with the related safety information
documentation. You should also refer to the safety information documentation any time you do not
clearly understand any safety information in the U.S. English publications.
Replacement or additional copies of safety information documentation can be obtained by calling the IBM
Hotline at 1-800-300-8751.
German safety information
Das Produkt ist nicht für den Einsatz an Bildschirmarbeitsplätzen im Sinne § 2 der
Bildschirmarbeitsverordnung geeignet.
Laser safety information
IBM®servers can use I/O cards or features that are fiber-optic based and that utilize lasers or LEDs.
Laser compliance
IBM servers may be installed inside or outside of an IT equipment rack.
© Copyright IBM Corp. 2010, 2016 v
DANGER
When 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:
v Connect power to this unit only with the IBM provided power cord. Do not use the IBM
provided power cord for any other product.
v Do not open or service any power supply assembly.
v Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration
of this product during an electrical storm.
v The product might be equipped with multiple power cords. To remove all hazardous voltages,
disconnect all power cords.
v 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.
v Connect any equipment that will be attached to this product to properly wired outlets.
v When possible, use one hand only to connect or disconnect signal cables.
v Never turn on any equipment when there is evidence of fire, water, or structural damage.
v 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.
v Connect and disconnect cables as described in the following procedures when installing, moving,
or opening covers on this product or attached devices.
To Disconnect:
1. Turn off everything (unless instructed otherwise).
2. Remove the power cords from the outlets.
3. Remove the signal cables from the connectors.
4. Remove all cables from the devices.
To Connect:
1. Turn off everything (unless instructed otherwise).
2. Attach all cables to the devices.
3. Attach the signal cables to the connectors.
4. Attach the power cords to the outlets.
5. Turn on the devices.
(D005)
DANGER
vi Power Systems: System backplane for the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D
Observe the following precautions when working on or around your IT rack system:
v Heavy equipment–personal injury or equipment damage might result if mishandled.
v Always lower the leveling pads on the rack cabinet.
v Always install stabilizer brackets on the rack cabinet.
v To avoid hazardous conditions due to uneven mechanical loading, always install the heaviest
devices in the bottom of the rack cabinet. Always install servers and optional devices starting
from the bottom of the rack cabinet.
v Rack-mounted devices are not to be used as shelves or work spaces. Do not place objects on top
of rack-mounted devices.
v Each rack cabinet might have more than one power cord. Be sure to disconnect all power cords in
the rack cabinet when directed to disconnect power during servicing.
v Connect all devices installed in a rack cabinet to power devices installed in the same rack
cabinet. Do not plug a power cord from a device installed in one rack cabinet into a power
device installed in a different rack cabinet.
v An electrical outlet that is not correctly wired could place hazardous voltage on the metal parts of
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.
CAUTION
v Do not install a unit in a rack where the internal rack ambient temperatures will exceed the
manufacturer's recommended ambient temperature for all your rack-mounted devices.
v Do not install a unit in a rack where the air flow is compromised. Ensure that air flow is not
blocked or reduced on any side, front, or back of a unit used for air flow through the unit.
v Consideration should be given to the connection of the equipment to the supply circuit so that
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 (For sliding drawers.) Do not pull out or install any drawer or feature if the rack stabilizer brackets
are not attached to the rack. Do not pull out more than one drawer at a time. The rack might
become unstable if you pull out more than one drawer at a time.
v (For fixed drawers.) This drawer is a fixed drawer and must not be moved for servicing unless
specified by the manufacturer. Attempting to move the drawer partially or completely out of the
rack might cause the rack to become unstable or cause the drawer to fall out of the rack.
(R001)
Safety notices vii
CAUTION:
Removing components from the upper positions in the rack cabinet improves rack stability during
relocation. Follow these general guidelines whenever you relocate a populated rack cabinet within a
room or building:
v Reduce the weight of the rack cabinet by removing equipment starting at the top of the rack
cabinet. When possible, restore the rack cabinet to the configuration of the rack cabinet as you
received it. If this configuration is not known, you must observe the following precautions:
– Remove all devices in the 32U position and above.
– Ensure that the heaviest devices are installed in the bottom of the rack cabinet.
– Ensure that there are no empty U-levels between devices installed in the rack cabinet below the
32U level.
v If the rack cabinet you are relocating is part of a suite of rack cabinets, detach the rack cabinet from
the suite.
v Inspect the route that you plan to take to eliminate potential hazards.
v Verify that the route that you choose can support the weight of the loaded rack cabinet. Refer to the
documentation that comes with your rack cabinet for the weight of a loaded rack cabinet.
v Verify that all door openings are at least 760 x 230 mm (30 x 80 in.).
v Ensure that all devices, shelves, drawers, doors, and cables are secure.
v Ensure that the four leveling pads are raised to their highest position.
v Ensure that there is no stabilizer bracket installed on the rack cabinet during movement.
v Do not use a ramp inclined at more than 10 degrees.
v When the rack cabinet is in the new location, complete the following steps:
– Lower the four leveling pads.
– Install stabilizer brackets on the rack cabinet.
– If you removed any devices from the rack cabinet, repopulate the rack cabinet from the lowest
position to the highest position.
v If a long-distance relocation is required, restore the rack cabinet to the configuration of the rack
cabinet as you received it. Pack the rack cabinet in the original packaging material, or equivalent.
Also lower the leveling pads to raise the casters off of the pallet and bolt the rack cabinet to the
pallet.
(R002)
(L001)
(L002)
viii Power Systems: System backplane for the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D
(L003)
or
All lasers are certified in the U.S. to conform to the requirements of DHHS 21 CFR Subchapter J for class
1 laser products. Outside the U.S., they are certified to be in compliance with IEC 60825 as a class 1 laser
product. Consult the label on each part for laser certification numbers and approval information.
CAUTION:
This product might contain one or more of the following devices: CD-ROM drive, DVD-ROM drive,
DVD-RAM drive, or laser module, which are Class 1 laser products. Note the following information:
v Do not remove the covers. Removing the covers of the laser product could result in exposure to
hazardous laser radiation. There are no serviceable parts inside the device.
v Use of the controls or adjustments or performance of procedures other than those specified herein
might result in hazardous radiation exposure.
(C026)
Safety notices ix
CAUTION:
Data processing environments can contain equipment transmitting on system links with laser modules
that operate at greater than Class 1 power levels. For this reason, never look into the end of an optical
fiber cable or open receptacle. (C027)
CAUTION:
This product contains a Class 1M laser. Do not view directly with optical instruments. (C028)
CAUTION:
Some laser products contain an embedded Class 3A or Class 3B laser diode. Note the following
information: laser radiation when open. Do not stare into the beam, do not view directly with optical
instruments, and avoid direct exposure to the beam. (C030)
CAUTION:
The battery contains lithium. To avoid possible explosion, do not burn or charge the battery.
Do Not:
v ___ Throw or immerse into water
v ___ Heat to more than 100°C (212°F)
v ___ Repair or disassemble
Exchange only with the IBM-approved part. Recycle or discard the battery as instructed by local
regulations. In the United States, IBM has a process for the collection of this battery. For information,
call 1-800-426-4333. Have the IBM part number for the battery unit available when you call. (C003)
Power and cabling information for NEBS (Network Equipment-Building System)
GR-1089-CORE
The following comments apply to the IBM servers that have been designated as conforming to NEBS
(Network Equipment-Building System) GR-1089-CORE:
The equipment is suitable for installation in the following:
v Network telecommunications facilities
v Locations where the NEC (National Electrical Code) applies
The intrabuilding ports of this equipment are suitable for connection to intrabuilding or unexposed
wiring or cabling only. The intrabuilding ports of this equipment must not be metallically connected to the
interfaces that connect to the OSP (outside plant) or its wiring. These interfaces are designed for use as
intrabuilding interfaces only (Type 2 or Type 4 ports as described in GR-1089-CORE) and require isolation
from the exposed OSP cabling. The addition of primary protectors is not sufficient protection to connect
these interfaces metallically to OSP wiring.
Note: All Ethernet cables must be shielded and grounded at both ends.
The ac-powered system does not require the use of an external surge protection device (SPD).
The dc-powered system employs an isolated DC return (DC-I) design. The DC battery return terminal
shall not be connected to the chassis or frame ground.
x Power Systems: System backplane for the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D
System backplane
Learn how to install, remove, and replace a system backplane.
The following procedures describe the removal and replacement of the system backplane. Replacing this
field-replaceable unit (FRU) must be completed by an authorized service representative.
To complete these procedures, you need to print the following topics. If the IBM Systems Hardware
Information Center is available on a PC or a notebook that is close to the system on which you are
servicing parts, you can use the online version.
v Fans
v GX adapters
v Host Ethernet Adapters
v Memory modules
v PCI adapters
v Power interlock switch
v Power supplies
v System processor module
v Voltage regulator module
© Copyright IBM Corp. 2010, 2016 1
2 Power Systems: System backplane for the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D
Removing and replacing the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D system backplane
Learn how to remove or replace the IBM Power®710 Express (8231-E2B, 8231-E1C, 8231-E1D, or
8268-E1D) and the IBM Power 730 Express (8231-E2B, 8231-E2C, or 8231-E2D) system backplane.
Removing the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D system backplane
Learn how to remove the system backplane from a server to replace a failing part or as part of another
service procedure.
Notes:
v Before you begin this procedure, ensure that you have authority to log in as an authorized service
provider. The authority levels are described in ASMI authority levels.
v Identify the system that you will be working on by using the identify the system process to turn on the
system locate (blue) indicator. For more information, see Control panel LEDs.
If your system is managed by the Hardware Management Console (HMC), use the HMC to remove the
system backplane. For instructions, see Removing a part using the Hardware Management Console.
If your system is managed by the IBM Systems Director Management Console (SDMC), use the SDMC to
remove the system backplane. For instructions, see Removing a part using the Systems Director
Management Console.
If you do not have an HMC or an SDMC, complete the following steps to remove the system backplane:
1. Access the Advanced System Management Interface (ASMI).
The ASMI is the interface to the service processor that is required to perform general and
administrator-level service tasks, such as reading service processor error logs, reading vital product
data, setting up the service processor, and controlling the system power. The ASMI might also be
referred to as the service processor menus. To access the ASMI, see Accessing the Advanced System
Management Interface. After you have accessed the ASMI, continue with the next step.
2. Check and record the System Enclosure Type and Feature Code.
The enclosure serial number is a seven-digit number that is printed on a bar-coded label on the
system unit.
Note: The feature code number for the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or
8268-E1D system backplane is 78AB-001.
3. Record the bootlist settings by using the Systems Management Services (SMS).
4. Check and record the server settings.
Before replacing this field-replaceable unit (FRU), check and record all server settings since you
might need to update the system after you replace this FRU. This can be done through the ASMI.
a. Check and record the server firmware level that is indicated on the right edge of the status
frame, the area where the Log out button is located. You might need to update the system to the
latest server firmware code level after you replace this FRU.
b. Check and record the service processor settings that you previously set using the ASMI. You will
need to reset these service processor settings after you update this FRU or the default settings
will be used. It is recommended you record these settings, however you may not need to reenter
all of them after you replace this FRU.
© Copyright IBM Corp. 2010, 2016 3
c. Record System Power Control settings:
1) In the navigation area, select Power Restart/Control > Power On/Off settings.
2) Manually record the values of system diagnostic level for the next boot, firmware boot side
for the next boot, system operating mode, server firmware start policy, system power off
policy, and default partition environment.
d. Record System Service Aids settings:
1) In the navigation area, select System Service Aids > System Dump.
2) Manually record the system dump policy, hardware content, and server firmware content
settings.
3) In the navigation area, select System Service Aids > Service Processor Dump.
4) Manually record the service processor dump setting.
e. Record System Configuration settings:
1) In the navigation area, select System Configuration settings > System Name.
2) Manually record the system name.
Note: For systems ordered with feature code 2319, the Field Core Override (FCO) setting
must be recorded. For more information, see Field core override function overview.
3) In the navigation area, select System Configuration settings > Hardware Deconfiguration >
Field Core Override.
4) Manually record the current FCO setting.
f. Record Network Services settings:
1) In the navigation area, select Network Services > Network Configuration.
2) Manually record the service processor IP addresses for eth0 and eth1, including subnet mask,
default gateway, DNS server addresses, and type of IP address.
3) In the navigation area, select Network Services > Network Access.
4) Manually record the allowed and denied IP addresses.
g. Record Performance Option settings:
1) In the navigation area, select Performance Setup > Logical Memory Block Size.
2) Manually record the logical memory block size.
3) In the navigation area, select Performance Setup > System Memory Page Setup.
4) Manually record the huge page size.
h. Record Login Profile settings:
1) In the navigation area, select Login Profile > Update Installed Languages.
2) Manually record the currently installed languages.
i. Record Vital Product Data information:
1) In the navigation area, select System Configuration > Program Vital Product Data > System
Brand.
2) Manually record the value for the system brand, which appears in the right pane.
3) In the navigation area, select System Configuration > Program Vital Product Data > System
Keywords.
4) Manually record the machine type-model, system serial number, system unique ID values,
reserved, and RB keyword0.
5) In the navigation area, select System Configuration > Program Vital Product Data > System
Enclosures.
j. Record Enclosure information:
1) In the right pane, select the Enclosure location: UXXXX.YYY.ZZZZ and click Continue.
4 Power Systems: System backplane for the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D
2) Manually record the values of enclosure location, feature code/sequence number, enclosure
serial number, and reserved.
k. Record any service processor settings that you might have set using the operating system
commands.
5. Shut down the partitions and power off the system.
This FRU cannot be serviced concurrently. Every partition must be shut down, and the system must
be powered off to continue the repair. Authorization must come from the customer to shut down all
running partitions and to power off the system. If the customer does not allow the partitions to be
shut down or the system to be powered off, delay the service procedure. If the customer is using a
secondary management console to manage the system, ensure that the customer is not powering on
the system at this time. For instructions, see Stopping a system or logical partition.
6. Disconnect the power source from the system by unplugging the system.
Note: This system is optionally equipped with a second power supply. Before continuing with this
procedure, ensure that the power source to the system has been completely disconnected.
(L003)
or
7. Disconnect the external cables from the system. Label and disconnect the external cables that are
connected to the system you are servicing.
8. Place the system into the service position. For instructions, see Placing the rack-mounted 8231-E2B,
8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D into the service position.
9. Remove the service access cover. For instructions, see Removing the service access cover from the
8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D .
10. Attach the wrist strap.
Removing and replacing the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D system backplane 5
Attention:
Attach a wrist strap to an unpainted metal surface of your hardware to prevent electrostatic
discharge from damaging your hardware.
When using a wrist strap, follow all electrical safety procedures. A wrist strap is for static control.
It does not increase or decrease your risk of receiving electric shock when using or working on
electrical equipment.
If you do not have a wrist strap, prior to removing the product from ESD packaging and
installing or replacing hardware, touch an unpainted metal surface of the system for a minimum
of 5 seconds.
11. Remove the memory modules. For instructions, see Removing memory modules from the 8231-E2B,
8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D.
12. Remove the GX adapters.
For instructions, see Removing GX adapters from the 8231-E2B with the power turned off.
For instructions, see Removing GX adapters from the 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D
with the power turned off.
13. Remove the PCI adapters. For instructions, see Removing a PCI adapter from the 8231-E2B,
8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D with the power off.
14. Remove the RAID card P1-C12 (8231-E2B only), if present.
Remove the RAID card P1-C13, if present.
Remove the RAID card P1-C18, if present
15. Remove the Host Ethernet card from the 8231-E2B. For instructions, see Removing the 8231-E2B Host
Ethernet Adapter with the power off.
16. Remove the voltage regulator module. For instructions, see Removing the 8231-E2B, 8231-E1C,
8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D voltage regulator module.
17. Remove the fans. For instructions, see Removing the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C,
8231-E2D, or 8268-E1D system unit fans.
18. Remove the power supplies. For instructions, see Removing the 8231-E2B, 8231-E1C, 8231-E1D,
8231-E2C, 8231-E2D, or 8268-E1D power supply with the power turned off.
19. Disconnect all internal cables from the system backplane. Examples of the cables to disconnect
follow:
a. Disconnect the operator panel cable (A). See Figure 1 on page 7.
6 Power Systems: System backplane for the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D
Figure 1. Disconnecting the operator panel cable
b. Disconnect the SAS cable:
1) Press the side tab (B) and pull out the SAS shroud from the external SAS connection port on
the disk drive backplane. See Figure 2 on page 8.
2) Pull out the SAS cable (C) from the system.
3) Press the latch for the SAS connection port (A) and then dislodge the SAS cable (C) out of the
system backplane.
Removing and replacing the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D system backplane 7
Figure 2. Removing the external SAS port
c. Disconnect the media device cables (A). See Figure 3.
Figure 3. Disconnecting the media device cables
20. Remove the disk drive cage:
8 Power Systems: System backplane for the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D
a. Grasp the disk drive latches and pull it upward to unlock the disk drive cage.
b. Grasp the handles and pull the disk drive cage toward you. See Figure 4.
Figure 4. Removing the disk drive cage
21. Remove the voltage regulator guide and air divider. See Figure 5 on page 10 or Figure 6 on page 10.
Removing and replacing the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D system backplane 9
Figure 5. Removing the voltage regulator guide and air divider from the 8231-E2B
Figure 6. Removing the voltage regulator guide and air divider from the 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D,
or 8268-E1D
22. Remove the dual inline memory module (DIMM) cage:
10 Power Systems: System backplane for the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D
a. Remove the six screws that secure the DIMM cage (A). See Figure 7.
b. Remove the DIMM cage by lifting upward.
Figure 7. Removing the DIMM cage
23. Remove the front fan cable. See Figure 8 on page 12.
Removing and replacing the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D system backplane 11
Figure 8. Removing the front fan cable
24. Remove the power interlock switch. For instructions, see Removing the 8231-E2B, 8231-E1C,
8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D power interlock switch with the power off.
25. Remove the vital product data card. For instructions, see Removing the 8231-E2B, 8231-E1C,
8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D vital product data card.
26. Remove the storage interposer card. For instructions, see Removing the 8231-E2B, 8231-E1C,
8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D storage interposer card with the power off.
27. Remove the second voltage regulator module, if present. For instructions, see Removing the
8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D voltage regulator module.
28. Remove the metal guide bracket for the second voltage regulator module:
a. Remove the two screws securing the bracket to the chassis.
b. Lift the bracket from the chassis.
29. Remove the middle fan cage. For instructions, see Removing the 8231-E2B, 8231-E1C, 8231-E1D,
8231-E2C, 8231-E2D, or 8268-E1D middle fan cage.
30. Remove the system processor modules. For instructions, see Removing the 8231-E2B, 8231-E1C,
8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D system processor module.
31. Remove the system backplane.
Note: Use care when removing the system backplane. Do not lift the system backplane by any of
the attached modules.
a. Remove the screws (A). See Figure 9 on page 13 or Figure 10 on page 13.
Note: Do not remove any of the Torx screws. Remove only the five hex and slot combination
screws.
12 Power Systems: System backplane for the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D
Figure 9. Removing the system backplane (five screws for 8231-E2B)
Figure 10. Removing the system backplane (four screws for 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or
8268-E1D)
b. Grip the system backplane by both heat sink load arms (B). See Figure 11 on page 14 or Figure 12
on page 15.
Removing and replacing the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D system backplane 13
c. Lift the front of the system backplane up to clear the front alignment pins (approximately 6.35
mm (1/4 in.)).
d. Slide the system backplane slightly toward the front of the system so that the connectors on the
system backplane clear the rear chassis.
e. After the connectors are clear of the chassis, lift the rear of the system backplane and remove the
system backplane at an angle.
Figure 11. Removing the system backplane from the 8231-E2B
14 Power Systems: System backplane for the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D
Figure 12. Removing the system backplane from the 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D
Replacing the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D system backplane
Learn how to replace the system backplane that is part of a service action.
To complete this procedure, you must have already completed the removal procedure. For the removal
procedure instructions, see Removing the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or
8268-E1D system backplane.
If your system is managed by the Hardware Management Console (HMC), use the HMC to replace the
system backplane. For instructions, see Replacing a part by using the Hardware Management Console.
If your system is managed by the IBM Systems Director Management Console (SDMC), use the SDMC to
replace the system backplane. For instructions, see Replacing a part by using the Systems Director
Management Console.
If you do not have an HMC or an SDMC, complete the following steps to replace the system backplane:
Removing and replacing the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D system backplane 15
Attention:
Attach a wrist strap to an unpainted metal surface of your hardware to prevent electrostatic discharge
from damaging your hardware.
When using a wrist strap, follow all electrical safety procedures. A wrist strap is for static control. It
does not increase or decrease your risk of receiving electric shock when using or working on electrical
equipment.
If you do not have a wrist strap, prior to removing the product from ESD packaging and installing or
replacing hardware, touch an unpainted metal surface of the system for a minimum of 5 seconds.
1. Replace the system backplane.
Note: Use care when you replace the system backplane.
a. Carefully grasp the replacement system backplane by both of the heat sink load arms (A). See
Figure 13 or Figure 14 on page 17.
b. Lower the system backplane at an angle, biased toward the front of the system chassis.
c. Lower the rear of the system backplane (1), and then slide it toward the rear of the system until
the connectors clear the openings in the chassis.
d. Lower the front of the system backplane (2) onto the alignment pins (B).
Figure 13. Replacing the system backplane in the 8231-E2B
16 Power Systems: System backplane for the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D
Figure 14. Replacing the system backplane in the 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D
e. Tighten the screws (C) that secure the system backplane to the system chassis. See Figure 15 or
Figure 16 on page 18.
Figure 15. Replacing the system backplane (five screws for 8231-E2B)
Removing and replacing the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D system backplane 17
Figure 16. Replacing the system backplane (four screws for 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or
8268-E1D)
2. Replace the system processor modules. For instructions, see Replacing the 8231-E2B, 8231-E1C,
8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D system processor modules.
3. Replace the middle fan cage. For instructions, see Replacing the 8231-E2B, 8231-E1C, 8231-E1D,
8231-E2C, 8231-E2D, or 8268-E1D middle fan cage.
4. Replace the metal guide bracket for the second voltage regulator module:
a. Align the bracket to the pins in the chassis
b. Replace the two screws to secure the bracket to the chassis.
5. Replace the second voltage regulator module, if present. For instructions, see Replacing the 8231-E2B,
8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D voltage regulator module.
6. Replace the power interlock switch. For instructions, see Replacing the 8231-E2B, 8231-E1C,
8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D power interlock switch with the power off.
7. Replace the storage interposer card. For instructions, see Replacing the 8231-E2B, 8231-E1C,
8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D storage interposer card with the power off.
8. Replace the vital product data card. For instructions, see Replacing the 8231-E2B, 8231-E1C,
8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D vital product data card.
9. Replace the system unit fans. For instructions, see Replacing the 8231-E2B, 8231-E1C, 8231-E1D,
8231-E2C, 8231-E2D, or 8268-E1D system unit fans.
10. Connect the fan cable by pressing the fan cable (A) into the fan cable connector. See Figure 17 on
page 19.
18 Power Systems: System backplane for the 8231-E2B, 8231-E1C, 8231-E1D, 8231-E2C, 8231-E2D, or 8268-E1D
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