IBM BladeCenter PS703 User manual

Power Systems
Problem Determination and Service
Guide for the IBM PS703 (7891-73X)
and PS704 (7891-74X)
GI11-9841-00


Power Systems
Problem Determination and Service
Guide for the IBM PS703 (7891-73X)
and PS704 (7891-74X)
GI11-9841-00


Note
Before using this information and the product it supports, read the information in “Notices,” on page 275, “Safety notices”
on page v, 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 2011.
US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract
with IBM Corp.

Contents
Safety notices ............v
Chapter 1. Introduction ........1
Related documentation ...........1
Notices and statements ...........2
Features and specifications..........2
Supported DIMMs ............4
Blade server control panel buttons and LEDs . . . 6
Turning on the blade server .........7
Turning off the blade server .........8
System-board layouts ...........8
System-board connectors .........9
System-board LEDs...........12
Chapter 2. Diagnostics ........15
Diagnostic tools .............15
Collecting dump data ...........17
Location codes .............17
Reference codes .............20
System reference codes (SRCs) .......21
1xxxyyyy SRCs ...........22
6xxxyyyy SRCs ...........33
A1xxyyyy service processor SRCs .....36
AA00E1A8 to AA260005 Partition firmware
attention codes ...........37
B1xxyyyy service processor SRCs .....40
B200xxxx Logical partition SRCs .....40
B7xxyyyy Licensed internal code SRCs . . . 50
BA000010 to BA400002 Partition firmware
SRCs ..............61
POST progress codes (checkpoints) .....97
C1001F00 to C1645300 Service processor
checkpoints ............98
C2001000 to C20082FF Virtual service
processor checkpoints ........106
IPL status progress codes .......115
C700xxxx Server firmware IPL status
checkpoints ...........115
CA000000 to CA2799FF Partition firmware
checkpoints ............115
D1001xxx to D1xx3FFF Service processor
dump codes ............133
D1xx3y01 to D1xx3yF2 Service processor
dump codes ...........138
D1xx900C to D1xxC003 Service processor
power-off checkpoints ........141
Service request numbers (SRNs) ......142
Using the SRN tables.........142
101-711 through FFC-725 SRNs .....142
A00-FF0 through A24-xxx SRNs .....169
SCSD Devices SRNs (ssss-102 to ssss-640) 169
Failing function codes ........173
Error logs ..............176
Checkout procedure ...........176
About the checkout procedure.......176
Performing the checkout procedure .....177
Verifying the partition configuration......179
Running the diagnostics program ......179
Starting AIX concurrent diagnostics .....179
Starting stand-alone diagnostics from a CD . . 179
Starting stand-alone diagnostics from a NIM
server ...............180
Using the diagnostics program ......181
Boot problem resolution ..........182
Troubleshooting tables ..........183
General problems ...........183
Drive problems............184
Intermittent problems .........184
Management module service processor
problems ..............185
Memory problems...........185
Microprocessor problems ........186
Network connection problems.......186
PCI expansion card (PIOCARD) problem
isolation procedure ..........186
Optional device problems ........188
Power problems ...........188
Hypervisor problems ..........190
Service processor problems ........193
Software problems...........209
Universal Serial Bus (USB) port problems . . . 210
Light path diagnostics ..........210
Viewing the light path diagnostic LEDs . . . 210
Light path diagnostics LEDs .......213
Isolating firmware problems ........216
Recovering the system firmware .......217
Starting the PERM image ........217
Starting the TEMP image ........217
Recovering the TEMP image from the PERM
image ...............218
Verifying the system firmware levels ....218
Committing the TEMP system firmware image 219
Solving shared BladeCenter resource problems . . 219
Solving shared media tray problems.....220
Solving shared network connection problems 221
Solving shared power problems ......222
Solving undetermined problems .......223
Calling IBM for service ..........224
Chapter 3. Parts listing, type 7891 . . 225
Chapter 4. Removing and replacing
blade server components ......229
Installation guidelines ..........229
System reliability guidelines .......230
Handling static-sensitive devices ......230
Returning a device or component .....230
Removing the blade server from a BladeCenter
unit ................231
Installing the blade server in a BladeCenter unit 232
© Copyright IBM Corp. 2011 iii

Removing and replacing tier 1 CRUs .....233
Removing the blade server cover ......233
Installing and closing the blade server cover . . 235
Removing the expansion unit for a PS704 blade
server ...............237
Replacing the expansion unit in a PS704 blade
server ...............238
Removing the bezel assembly .......240
Installing the bezel assembly .......241
Removing a hard-disk drive .......242
Installing a hard-disk drive........243
Removing an SSD carrier ........244
Replacing an SSD carrier ........245
Removing an SSD ...........246
Installing an SSD ...........248
Removing a memory module .......249
Installing a memory module .......251
Removing and installing an I/O expansion card 253
Removing a CIOv form-factor expansion card 254
Installing a CIOv form-factor expansion card 255
Removing a combination-form-factor
expansion card ...........256
Installing a combination-form-factor
expansion card ...........257
Removing the battery .........258
Installing the battery ..........258
Removing the disk drive tray .......260
Installing the disk drive tray .......261
Removing the tier 2 management card .....262
Installing the tier 2 management card .....263
Replacing the FRU system-board and chassis
assembly ...............264
Chapter 5. Configuring .......267
Updating the firmware ..........267
Configuring the blade server ........269
Using the SMS utility...........269
Starting the SMS utility .........269
SMS utility menu choices ........270
Creating a CE login ...........270
Configuring the Gigabit Ethernet controllers . . . 270
Blade server Ethernet controller enumeration. . . 271
MAC addresses for integrated Ethernet controllers 272
Configuring a RAID array .........273
Updating IBM Director ..........273
Appendix. Notices .........275
Trademarks ..............276
Electronic emission notices .........277
Class A Notices............277
Class B Notices............281
Terms and conditions...........284
iv Power Systems: Problem Determination and Service Guide for the IBM PS703 (7891-73X) and PS704 (7891-74X)

Safety notices
Safety notices may be printed throughout this guide:
vDANGER notices call attention to a situation that is potentially lethal or extremely hazardous to
people.
vCAUTION notices call attention to a situation that is potentially hazardous to people because of some
existing condition.
vAttention 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, a safety information booklet is included
in the publications package shipped with the product. The booklet 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 in the booklet. You should also refer to the booklet any time you do not clearly understand
any safety information in the U.S. English publications.
German safety information
Das Produkt ist nicht für den Einsatz an Bildschirmarbeitsplätzen im Sinne§2der
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. 2011 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:
vConnect power to this unit only with the IBM provided power cord. Do not use the IBM
provided power cord for any other product.
vDo not open or service any power supply assembly.
vDo not connect or disconnect any cables or perform installation, maintenance, or reconfiguration
of this product during an electrical storm.
vThe product might be equipped with multiple power cords. To remove all hazardous voltages,
disconnect all power cords.
vConnect 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.
vConnect any equipment that will be attached to this product to properly wired outlets.
vWhen possible, use one hand only to connect or disconnect signal cables.
vNever turn on any equipment when there is evidence of fire, water, or structural damage.
vDisconnect the attached power cords, telecommunications systems, networks, and modems before
you open the device covers, unless instructed otherwise in the installation and configuration
procedures.
vConnect 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: Problem Determination and Service Guide for the IBM PS703 (7891-73X) and PS704 (7891-74X)

Observe the following precautions when working on or around your IT rack system:
vHeavy equipment–personal injury or equipment damage might result if mishandled.
vAlways lower the leveling pads on the rack cabinet.
vAlways install stabilizer brackets on the rack cabinet.
vTo 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.
vRack-mounted devices are not to be used as shelves or work spaces. Do not place objects on top
of rack-mounted devices.
vEach 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.
vConnect 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.
vAn 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
vDo 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.
vDo 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.
vConsideration 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:
vReduce 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.
vIf the rack cabinet you are relocating is part of a suite of rack cabinets, detach the rack cabinet from
the suite.
vInspect the route that you plan to take to eliminate potential hazards.
vVerify 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.
vVerify that all door openings are at least 760 x 230 mm (30 x 80 in.).
vEnsure that all devices, shelves, drawers, doors, and cables are secure.
vEnsure that the four leveling pads are raised to their highest position.
vEnsure that there is no stabilizer bracket installed on the rack cabinet during movement.
vDo not use a ramp inclined at more than 10 degrees.
vWhen 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.
vIf 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: Problem Determination and Service Guide for the IBM PS703 (7891-73X) and PS704 (7891-74X)

(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:
vDo 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.
vUse 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)
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:
vNetwork telecommunications facilities
vLocations 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.
xPower Systems: Problem Determination and Service Guide for the IBM PS703 (7891-73X) and PS704 (7891-74X)

Chapter 1. Introduction
This problem determination and service information helps you solve problems that might occur in your
IBM BladeCenter®PS703 or PS704 blade server. The information describes the diagnostic tools that come
with the blade server, error codes and suggested actions, and instructions for replacing failing
components.
Replaceable components are of three types:
vTier 1 customer replaceable unit (CRU): Replacement of tier 1 CRUs is your responsibility. If IBM
installs a tier 1 CRU at your request, you are charged for the installation.
vTier 2 customer replaceable unit: You can install a tier 2 CRU yourself or request IBM to install it, at
no additional charge, under the type of warranty service that is designated for your blade server.
vField replaceable unit (FRU): FRUs must be installed only by trained service technicians.
The serial number for the PS703 or PS704 blade server can be found in the following locations:
vThe bottom front of the blade server in the right corner on the 1S label.
vThe bottom rear of the blade server in the right corner.
vUnder the front cover door.
For information about the terms of the warranty and getting service and assistance, see the information
center or the Warranty and Support Information document on the IBM BladeCenter Documentation CD.
Related documentation
Documentation for the PS703 or PS704blade server includes PDF files on the IBM BladeCenter
Documentation CD and the information center.
The most recent version of all BladeCenter documentation is in the BladeCenter information center.
The online BladeCenter information center is available in the IBM BladeCenter Information Center at
http://publib.boulder.ibm.com/infocenter/bladectr/documentation/index.jsp.
PDF versions of the following documents are on the IBM BladeCenter Documentation CD and in the
information center:
vInstallation and User's Guide
This document contains general information about the blade server, including how to install supported
options and how to configure the blade server.
vSafety Information
This document contains translated caution and danger statements. Each caution and danger statement
that appears in the documentation has a number that you can use to locate the corresponding
statement in your language in the Safety Information document.
vWarranty and Support Information
This document contains information about the terms of the warranty and about getting service and
assistance.
© Copyright IBM Corp. 2011 1

Additional documents might be included in the information center and on the IBM BladeCenter
Documentation CD.
The blade server might have features that are not described in the documentation that comes with the
blade server. Occasional updates to the documentation might include information about those features, or
technical updates might be available to provide additional information that is not included in the
documentation that comes with the blade server.
Review the online information or the Planning Guide and the Installation Guide for your IBM BladeCenter
unit. The information can help you prepare for system installation and configuration. The most current
version of each document is available in the BladeCenter information center.
Notices and statements
The caution and danger statements in this document are also in the multilingual Safety Information. Each
statement is numbered for reference to the corresponding statement in your language in the Safety
Information document.
The following notices and statements are used in this document:
vNote: These notices provide important tips, guidance, or advice.
vImportant: These notices provide information or advice that might help you avoid inconvenient or
problem situations.
vAttention: These notices indicate potential damage to programs, devices, or data. An attention notice is
placed just before the instruction or situation in which damage might occur.
vCaution: These statements indicate situations that can be potentially hazardous to you. A caution
statement is placed just before the description of a potentially hazardous procedure step or situation.
vDanger: These statements indicate situations that can be potentially lethal or extremely hazardous to
you. A danger statement is placed just before the description of a potentially lethal or extremely
hazardous procedure step or situation.
Features and specifications
Features and specifications of the IBM BladeCenter PS703 or PS704 blade server are summarized in this
overview.
The PS703 is a single-wide blade server. The PS704 is the double-wide symmetric multiprocessing (SMP)
unit. They are used in an IBM BladeCenter H (8852 and 7989), BladeCenter HT (8740 and 8750), or
BladeCenter S (8886 and 7779) chassis unit.
Notes:
vPower, cooling, removable-media drives, external ports, and advanced system management are
provided by the BladeCenter unit.
vThe operating system in the blade server must provide support for the Universal Serial Bus (USB) to
enable the blade server to recognize and communicate internally with the removable-media drives and
front-panel USB ports.
2Power Systems: Problem Determination and Service Guide for the IBM PS703 (7891-73X) and PS704 (7891-74X)

Core electronics:
64-bit 2 x POWER7®processors (12S
technology)
PS703 single-wide model:
v16-way single-wide blade: 2 socket
8-core at 2.4 GHz
v16 very low profile (VLP) DIMM
slots. Maximum capacity is 128 GB.
Supports 4 GB DDR3 and 8 GB
DDR3 at 1066 MHz
PS704 double-wide model:
v32-way double-wide: 2x8-way base
with 2x8-way expansion
v32 very low profile (VLP) DIMM
slots. Maximum capacity is 256 GB.
Supports 4 GB DDR3 and 8 GB
DDR3 at 1066 MHz
P7IOC I/O hub
On-board, integrated features:
vFSP1 Service Processor - IPMI, SOL
vTwo 1 Gb Ethernet ports using
5709S Ethernet controller (two on
PS703 , four on PS704)
vSAS controller
vUSB 2.0
v1 Serial over LAN (SOL) console
using BMC Ethernet port
Local storage:
vPS703 : Maximum of one SAS 2.5
in. hard disk drive (HDD) or
maximum of two SATA 1.8 in.
solid-state drives (SSDs) or none
vPS704:
– Maximum of two SAS 2.5 in.
HDDs or maximum of four
SATA 1.8 in. SSDs or none
– Valid options:
- None
- 1 HDD
- 2 HDDs
- 1 HDD and 1 SSD
- 1 HDD and 2 SSDs
- 2 SSDs, 3 SSDs, or 4 SSDs
vSSDs are 200 GB
vHDDs are 300 GB and 600 GB
vRAID functions supported
Daughter card I/O options:
vin the PS703 :
– Supports one expansion card
(CIOv)
– Supports one CFFh expansion
card (combination form factor
horizontal high-speed data
card)
– Supports one SAS passthrough
using CIOv
vPS704:
– Supports two expansion cards
(CIOv)
– Supports two CFFh expansion
cards
– Supports up to two SAS
passthroughs using CIOv
Integrated functions:
vRS-485 interface for
communication with the
management module
vAutomatic server restart (ASR)
vSOL through service processor
vTwo Universal Serial Buses (USB
2.0) on base system board for
communication with
removable-media drives
vOptical media available by shared
chassis feature
Environment:
vAir temperature:
– Blade server with power on:
10° - 35°C (50° - 95°F). Altitude:
0 - 914 m (3000 ft)
– Blade server with power on:
10° - 32°C (50° - 90°F). Altitude:
914 m - 2133 m (3000 ft - 7000
ft)
– Blade server with power off:
-40° - 60°C (-40° - 140°F)
vHumidity:
– Blade server with power on:
8% - 80%
– Blade server with power off:
8% - 80%
PS703 or PS704 size:
vHeight: 24.5 cm (9.7 in.)
vDepth: 44.6 cm (17.6 in.)
vPS703: Width: 30 mm (1.14 in.)
PS704: 60 mm (2.28 in.)
Systems management:
vSupported by BladeCenter chassis
management module
vFront panel LEDs
vIBM Director
vEnergy scale thermal management
for power management, power
oversubscription (throttling), and
environmental sensing
vActive Energy Manager
vConcurrent Code Update via
Director Update Manager, Inventory
Collection, Multiple VIOS, and
PowerVM™Enterprise
Clusters support for:
vIBM Director
vxCat
Virtualization support for:
PowerVM Standard Edition hardware
feature, which provides the Integrated
Virtualization Manager, Virtual I/O
Server, and IBM Systems Director
Management Console (SDMC).
No HMC support
Reliability and service features:
vDual alternating current power
supply
vBladeCenter chassis redundant and
hot-plug power and cooling
modules
vBoot-time processor deallocation
vBlade server hot plug
vCustomer setup and expansion
vAutomatic reboot on power loss
vInternal and ambient temperature
monitors
vECC, chipkill memory
vSystem management alerts
vLight path diagnostics
vElectronic Service Agent™call home
capability
Electrical input: 12VDC
See the ServerProven website for information about supported operating-system versions and all blade
server optional devices.
Chapter 1. Introduction 3

Supported DIMMs
Your blade server contains connectors for registered dual inline memory modules (RDIMMs).
Each system board in the PS703 or PS704 blade server contains 16 very low profile (VLP) memory
connectors for DIMMs. The PS704 supports up to 32 DIMMs. The maximum size for a single DIMM is 8
GB. The maximum memory capacity for a PS703 server is 128 GB. The maximum memory capacity for a
PS704 server is 256 GB.
See Chapter 3, “Parts listing, type 7891,” on page 225 for memory modules that you can order from IBM.
Memory module rules:
vInstall DIMM fillers in unused DIMM slots for proper cooling.
vInstall DIMMs in pairs (1 and 4, 5 and 8, 9 and 12, 13 and 16, 2 and 3, 6 and 7, 10 and 11, and 14 and
15).
vBoth DIMMs in a pair must be the same size, speed, type, and technology. You can mix compatible
DIMMs from different manufacturers.
vEach DIMM within a processor-support group (1-4, 5-8, 9-12, 13-16) must be the same size and speed.
vInstall only supported DIMMs, as described on the ServerProven®website. See http://www-
03.ibm.com/servers/eserver/serverproven/compat/us/.
vInstalling or removing DIMMs changes the configuration of the blade server. After you install or
remove a DIMM, the blade server is automatically reconfigured, and the new configuration information
is stored.
vSee “System-board connectors” on page 9 for DIMM connector locations.
Table 1 shows allowable placements of DIMM modules for the PS703 blade server. Table 2 on page 5
shows allowable placements of DIMM modules for the PS704 blade server.
Table 1. Memory module combinations for the PS703 blade server
DIMM
count PS703 DIMM slots
12345678910111213141516
2XX
4XX XX
6XXXXXX
8XXXXXXXX
10 XXXXX XX XX X
12 XXXXX XXXXXX X
14 XXXXXXXXXXXXX X
16 XXXXXXXXXXXXXXXX
4Power Systems: Problem Determination and Service Guide for the IBM PS703 (7891-73X) and PS704 (7891-74X)

Table 2. Memory module combinations for the PS704 blade server
DIMM
count PS704 base blade unit (P1) DIMM slots and expansion unit (P2) DIMM slots
1 (17) 2 (18) 3 (19) 4 (20) 5 (21) 6 (22) 7 (23) 8 (24) 9 (25) 10
(26)
11
(27)
12
(28)
13
(29)
14
(30)
15
(31)
16
(32)
2XX
4XX XX
6XXXXXX
8XXXXXXXX
10 XXXXX XX XX X
12 XXXXX XXXXXX X
14 XXXXXXXXXXXXX X
16 XXXXXXXXXXXXXXXX
Figure 1. DIMM connectors for the PS703
Figure 2. DIMM connectors for the PS704
Chapter 1. Introduction 5

Blade server control panel buttons and LEDs
Blade server control panel buttons and LEDs provide operational controls and status indicators.
Note: Figure 3 shows the control-panel door in the closed (normal) position. To access the power-control
button, you must open the control-panel door.
1 Media-tray select button: Press this button to associate the shared BladeCenter unit media tray
(removable-media drives and front-panel USB ports) with the blade server. The LED on the
button flashes while the request is being processed, then is lit when the ownership of the media
tray has been transferred to the blade server. It can take approximately 20 seconds for the
operating system in the blade server to recognize the media tray.
If there is no response when you press the media-tray select button, use the management module
to determine whether local control has been disabled on the blade server.
Note: The operating system in the blade server must provide USB support for the blade server to
recognize and use the removable-media drives and USB ports.
2 Information LED: When this amber LED is lit, it indicates that information about a system error
for the blade server has been placed in the management-module event log. The information LED
can be turned off through the Web interface of the management module or through IBM Director
Console.
3 Blade-error LED: When this amber LED is lit, it indicates that a system error has occurred in the
blade server. The blade-error LED will turn off after one of the following events:
vCorrecting the error
vReseating the blade server in the BladeCenter unit
vCycling the BladeCenter unit power
Figure 3. Blade server control panel buttons and LEDs
6Power Systems: Problem Determination and Service Guide for the IBM PS703 (7891-73X) and PS704 (7891-74X)

4 Power-control button: This button is behind the control panel door. Press this button to turn on
or turn off the blade server.
The power-control button has effect only if local power control is enabled for the blade server.
Local power control is enabled and disabled through the Web interface of the management
module.
Press the power button for 5 seconds to begin powering down the blade server.
5 NMI reset (recessed): The nonmaskable interrupt (NMI) reset dumps the partition. Use this
recessed button only as directed by IBM Support.
6 Power-on LED: This green LED indicates the power status of the blade server in the following
manner:
vFlashing rapidly: The service processor is initializing the blade server.
vFlashing slowly: The blade server has completed initialization and is waiting for a power-on
command.
vLit continuously: The blade server has power and is turned on.
Note: The enhanced service processor can take as long as three minutes to initialize after you
install the blade server, at which point the LED begins to flash slowly.
7 Activity LED: When this green LED is lit, it indicates that there is activity on the hard disk drive
or network.
8 Location LED: When this blue LED is lit, it has been turned on by the system administrator to
aid in visually locating the blade server. The location LED can be turned off through the Web
interface of the management module or through IBM Director Console.
Turning on the blade server
After you connect the blade server to power through the BladeCenter unit, you can start the blade server
after the discovery and initialization process is complete.
You can start the blade server in any of the following ways.
vStart the blade server by pressing the power-control button on the front of the blade server.
The power-control button is behind the control panel door, as described in “Blade server control panel
buttons and LEDs” on page 6.
After you push the power-control button, the power-on LED continues to blink slowly for about 15
seconds, then is lit solidly when the power-on process is complete.
Wait until the power-on LED on the blade server flashes slowly before you press the blade server
power-control button. If the power-on LED is flashing rapidly, the service processor is initializing the
blade server. The power-control button does not respond during initialization.
Note: The enhanced service processor can take as long as three minutes to initialize after you install
the blade server, at which point the LED begins to flash slowly.
Chapter 1. Introduction 7

vStart the blade server automatically when power is restored after a power failure.
If a power failure occurs, the BladeCenter unit and then the blade server can start automatically when
power is restored. You must configure the blade server to restart through the management module.
vStart the blade server remotely using the management module.
After you initiate the power-on process, the power-on LED blinks slowly for about 15 seconds, then is
lit solidly when the power-on process is complete.
Turning off the blade server
When you turn off the blade server, it is still connected to power through the BladeCenter unit. The blade
server can respond to requests from the service processor, such as a remote request to turn on the blade
server. To remove all power from the blade server, you must remove it from the BladeCenter unit.
Shut down the operating system before you turn off the blade server. See the operating-system
documentation for information about shutting down the operating system.
You can turn off the blade server in one of the following ways.
vTurn off the blade server by pressing the power-control button for at least 5 seconds.
The power-control button is on the blade server behind the control panel door. See “Blade server
control panel buttons and LEDs” on page 6 for the location.
Note: The power-control LED can remain on solidly for up to 1 minute after you push the
power-control button. After you turn off the blade server, wait until the power-control LED is blinking
slowly before you press the power-control button to turn on the blade server again.
If the operating system stops functioning, press and hold the power-control button for more than 5
seconds to force the blade server to turn off.
vUse the management module to turn off the blade server.
The power-control LED can remain on solidly for up to 1 minute after you initiate the power-off
process. After you turn off the blade server, wait until the power-control LED is blinking slowly before
you initiate the power-on process from the AMM to turn on the blade server again.
Use the management-module Web interface to configure the management module to turn off the blade
server if the system is not operating correctly.
For additional information, see the online documentation or the User's Guide for the management
module.
System-board layouts
Illustrations show the connectors and LEDs on the system board. The illustrations might differ slightly
from your hardware.
8Power Systems: Problem Determination and Service Guide for the IBM PS703 (7891-73X) and PS704 (7891-74X)