IBM S822LC Instruction Manual

Power Systems
Installing the System and Ordered
Parts for the IBM Power System
S822LC (8335-GCA and 8335-GTA)
IBM

Power Systems
Installing the System and Ordered
Parts for the IBM Power System
S822LC (8335-GCA and 8335-GTA)
IBM

Note
Before using this information and the product it supports, read the information in “Safety notices” on page v, “Notices” on
page 111, 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 POWER8®processor and to all associated
models.
© Copyright IBM Corporation 2015, 2017.
US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract
with IBM Corp.

Contents
Safety notices ............ v
Installing the IBM Power System S822LC
(8335-GTA and 8335-GCA) ....... 1
Prerequisite for installing the rack-mounted server.. 1
Completing inventory for your server ...... 1
Determining and marking the location in the rack .. 2
Installing the system using the slide rails ..... 3
Attaching the slide rails to the rack ...... 4
Installing the system into the rack by using the
slide rails .............. 6
Installing the cable-management arm and
connecting and routing power cables ..... 7
Installing the system using the fixed rails .... 13
Attaching the fixed rails to the rack ..... 13
Installing the system into the rack by using the
fixed rails and connecting power cables .... 14
Completing server setup .......... 16
Installing and configuring system
features .............. 17
Installing a disk drive in the 8335-GCA or 8335-GTA 17
Installing a disk drive in the 8335-GCA or
8335-GTA system with the power turned off .. 17
Installing a disk drive in the 8335-GCA or
8335-GTA system with the power turned off . 17
Installing a disk drive in the 8335-GCA or
8335-GTA system with the power turned on .. 19
Installing a disk drive in the 8335-GCA or
8335-GTA system with the power turned on . 19
Installing the graphics processing unit in the
8335-GCA or 8335-GTA system ........ 20
Installing memory in the 8335-GCA ...... 22
Plugging rules for memory in the 8335-GCA
system ............... 25
Installing PCIe adapters in the 8335-GCA or
8335-GTA ............... 26
PCIe adapter placement rules and slot priorities
for the 8335-GCA or 8335-GTA ....... 27
Installing a PCIe adapter in the system backplane
of a 8335-GCA or 8335-GTA system ..... 32
Installing a PCIe adapter in a PCIe riser in the
8335-GCA or 8335-GTA system ....... 34
PCIe adapters ............ 37
PCIe2 LP 4-port 1GbE Adapter (FC 5260;
CCIN 576F) ............ 37
PCIe2 4-port 1 GbE Adapter (FC 5899; CCIN
576F) .............. 40
PCIe3 LP 2-Port 40 GbE NIC RoCE QSFP+
Adapter (FC EC3A; CCIN 57BD) ..... 43
PCIe3 2-Port 40 GbE NIC RoCE QSFP+
Adapter (FC EC3B; CCIN 57BD) ..... 46
PCIe3 LP 2-port 100 Gb EDR InfiniBand
Adapter (FC EC3E and EC3F; CCIN 2CEA).. 50
PCIe3 LP 1-port 100 Gb EDR InfiniBand
adapter x16 (FC EC3T and EC3U; CCIN
2CEB) .............. 51
PCIe Gen3 x16 GPU Adapter (FC EC49; CCIN
2CE9) .............. 53
CAPI Compression Accelerator Adapter (FC
EJ1A and EJ1B; CCIN 2CF0) ....... 54
PCIe3 FPGA Compression Accelerator Adapter
(FC EJ12; CCIN 59AB) ......... 57
PCIe3 FPGA Compression Accelerator Adapter
(FC EJ13; CCIN 59AB) ......... 59
PCIe2 LP 2-port 10 GbE BaseT RJ45 Adapter
(FC EL3Z; CCIN 2CC4) ........ 62
PCIe3 LP 16 Gb 2-port Fibre Channel Adapter
(FC EL43; CCIN 577F) ......... 64
PCIe2 4-port 1 GbE Adapter (FC EL4L and
EL4M; CCIN 576F) .......... 68
PCIe2 4-port 1 GbE Adapter (FC EL4L and
EL4M; CCIN 576F) .......... 71
PCIe2 2-port 10 GbE BaseT RJ45 Adapter (FC
EL55; CCIN 2CC4) .......... 74
PCIe2 16 Gb 2-port Fibre Channel Adapter
(FC EL5B; CCIN 577F)......... 76
PCIe3 4-Port (10 Gb + 1 GbE) SR+RJ45
Adapter (FC EN0S; CCIN 2CC3) ..... 80
PCIe3 LP 4-Port (10Gb+1GbE) SR+RJ45
Adapter (FC EN0T; CCIN 2CC3) ..... 84
Common procedures for servicing or
installing features in the 8335-GCA or
8335-GTA.............. 89
Before you begin ............ 89
Identifying the system that contains the part to
replace ................ 92
LEDs on the 8335-GCA or 8335-GTA system .. 92
Identifying the 8335-GCA or 8335-GTA that needs
servicing .............. 93
Starting and stopping the 8335-GCA or 8335-GTA 93
Starting the system ........... 93
Stopping the system .......... 94
Event sensor status GUI display ....... 94
Removing and replacing covers on an 8335-GCA or
8335-GTA system ............ 97
Removing the service access cover from an
8335-GCA or 8335-GTA system ....... 97
Installing the service access cover on an
8335-GCA or 8335-GTA system ....... 97
Service and operating positions for 8335-GCA or
8335-GTA ............... 98
Placing an 8335-GCA or 8335-GTA system into
the service position ........... 98
Slide rails ............. 99
Fixed rails ............. 99
Placing an 8335-GCA or 8335-GTA system into
the operating position ......... 100
© Copyright IBM Corp. 2015, 2017 iii

Slide rails ............ 100
Fixed rails ............ 101
Power cords .............. 101
Disconnecting the power cords from an
8335-GCA or 8335-GTA system ...... 102
Connecting the power cords to an 8335-GCA or
8335-GTA system ........... 104
Removing and replacing a power
supply in the 8335-GCA or 8335-GTA . 107
Removing a power supply from the 8335-GCA or
8335-GTA............... 107
Replacing a power supply in the 8335-GCA or
8335-GTA............... 108
Notices .............. 111
Accessibility features for IBM Power Systems
servers ............... 112
Privacy policy considerations ........ 113
Trademarks .............. 114
Electronic emission notices ......... 114
Class A Notices............ 114
Class B Notices ............ 118
Terms and conditions........... 121
iv Installing the System and Ordered Parts for the 8335-GCA or 8335-GTA

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, 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.
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:
vIf IBM supplied the power cord(s), connect 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.
– For AC power, disconnect all power cords from their AC power source.
– For racks with a DC power distribution panel (PDP), disconnect the customer’s DC power source to
the PDP.
vWhen connecting power to the product ensure all power cables are properly connected.
© Copyright IBM Corp. 2015, 2017 v

– For racks with AC power, 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.
– For racks with a DC power distribution panel (PDP), connect the customer’s DC power source to
the PDP. Ensure that the proper polarity is used when attaching the DC power and DC power
return wiring.
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.
vDo not attempt to switch on power to the machine until all possible unsafe conditions are corrected.
vAssume that an electrical safety hazard is present. Perform all continuity, grounding, and power checks
specified during the subsystem installation procedures to ensure that the machine meets safety
requirements.
vDo not continue with the inspection if any unsafe conditions are present.
vBefore you open the device covers, unless instructed otherwise in the installation and configuration
procedures: Disconnect the attached AC power cords, turn off the applicable circuit breakers located in
the rack power distribution panel (PDP), and disconnect any telecommunications systems, networks,
and modems.
DANGER:
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. For AC power, remove the power cords from the outlets.
3. For racks with a DC power distribution panel (PDP), turn off the circuit breakers located in the
PDP and remove the power from the Customer's DC power source.
4. Remove the signal cables from the connectors.
5. 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. For AC power, attach the power cords to the outlets.
5. For racks with a DC power distribution panel (PDP), restore the power from the Customer's DC
power source and turn on the circuit breakers located in the PDP.
6. Turn on the devices.
Sharp edges, corners and joints may be present in and around the system. Use care when handling
equipment to avoid cuts, scrapes and pinching. (D005)
(R001 part 1 of 2):
DANGER: 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. In addition, do not lean on rack mounted devices and do not use them to
stabilize your body position (for example, when working from a ladder).
vi Installing the System and Ordered Parts for the 8335-GCA or 8335-GTA

vEach rack cabinet might have more than one power cord.
– For AC powered racks, be sure to disconnect all power cords in the rack cabinet when directed to
disconnect power during servicing.
– For racks with a DC power distribution panel (PDP), turn off the circuit breaker that controls the
power to the system unit(s), or disconnect the customer’s DC power source, 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.
(R001 part 2 of 2):
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.
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 (compliance ID RACK-001 or 22U (compliance ID RR001)
and above.
– Ensure that the heaviest devices are installed in the bottom of the rack cabinet.
– Ensure that there are little-to-no empty U-levels between devices installed in the rack cabinet
below the 32U (compliance ID RACK-001 or 22U (compliance ID RR001) level, unless the
received configuration specifically allowed it.
vIf the rack cabinet you are relocating is part of a suite of rack cabinets, detach the rack cabinet from
the suite.
vIf the rack cabinet you are relocating was supplied with removable outriggers they must be
reinstalled before the cabinet is relocated.
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)
DANGER: Hazardous voltage, current, or energy levels are present inside any component that has this
label attached. Do not open any cover or barrier that contains this label. (L001)
(L002)
viii Installing the System and Ordered Parts for the 8335-GCA or 8335-GTA

DANGER: Rack-mounted devices are not to be used as shelves or work spaces. (L002)
(L003)
12
or
!
1
2
or
1 2
34
or
Safety notices ix

1234
or
DANGER: Multiple power cords. The product might be equipped with multiple AC power cords or
multiple DC power cables. To remove all hazardous voltages, disconnect all power cords and power
cables. (L003)
(L007)
CAUTION: A hot surface nearby. (L007)
(L008)
xInstalling the System and Ordered Parts for the 8335-GCA or 8335-GTA

CAUTION: Hazardous moving parts nearby. (L008)
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)
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. Although shining light into one end and looking into the other end of
a disconnected optical fiber to verify the continuity of optic fibers many not injure the eye, this
procedure is potentially dangerous. Therefore, verifying the continuity of optical fibers by shining
light into one end and looking at the other end is not recommended. To verify continuity of a fiber
optic cable, use an optical light source and power meter. (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)
Safety notices xi

CAUTION:
Regarding IBM provided VENDOR LIFT TOOL:
vOperation of LIFT TOOL by authorized personnel only.
vLIFT TOOL intended for use to assist, lift, install, remove units (load) up into rack elevations. It is
not to be used loaded transporting over major ramps nor as a replacement for such designated tools
like pallet jacks, walkies, fork trucks and such related relocation practices. When this is not
practicable, specially trained persons or services must be used (for instance, riggers or movers).
vRead and completely understand the contents of LIFT TOOL operator's manual before using.
Failure to read, understand, obey safety rules, and follow instructions may result in property
damage and/or personal injury. If there are questions, contact the vendor's service and support.
Local paper manual must remain with machine in provided storage sleeve area. Latest revision
manual available on vendor's web site.
vTest verify stabilizer brake function before each use. Do not over-force moving or rolling the LIFT
TOOL with stabilizer brake engaged.
vDo not move LIFT TOOL while platform is raised, except for minor positioning.
vDo not exceed rated load capacity. See LOAD CAPACITY CHART regarding maximum loads at
center versus edge of extended platform.
vOnly raise load if properly centered on platform. Do not place more than 200 lb (91 kg) on edge of
sliding platform shelf also considering the load's center of mass/gravity (CoG).
vDo not corner load the platform tilt riser accessory option. Secure platform riser tilt option to main
shelf in all four (4x) locations with provided hardware only, prior to use. Load objects are designed
to slide on/off smooth platforms without appreciable force, so take care not to push or lean. Keep
riser tilt option flat at all times except for final minor adjustment when needed.
vDo not stand under overhanging load.
vDo not use on uneven surface, incline or decline (major ramps).
vDo not stack loads.
vDo not operate while under the influence of drugs or alcohol.
vDo not support ladder against LIFT TOOL.
vTipping hazard. Do not push or lean against load with raised platform.
vDo not use as a personnel lifting platform or step. No riders.
vDo not stand on any part of lift. Not a step.
vDo not climb on mast.
vDo not operate a damaged or malfunctioning LIFT TOOL machine.
vCrush and pinch point hazard below platform. Only lower load in areas clear of personnel and
obstructions. Keep hands and feet clear during operation.
vNo Forks. Never lift or move bare LIFT TOOL MACHINE with pallet truck, jack or fork lift.
vMast extends higher than platform. Be aware of ceiling height, cable trays, sprinklers, lights, and
other overhead objects.
vDo not leave LIFT TOOL machine unattended with an elevated load.
vWatch and keep hands, fingers, and clothing clear when equipment is in motion.
vTurn Winch with hand power only. If winch handle cannot be cranked easily with one hand, it is
probably over-loaded. Do not continue to turn winch past top or bottom of platform travel.
Excessive unwinding will detach handle and damage cable. Always hold handle when lowering,
unwinding. Always assure self that winch is holding load before releasing winch handle.
vA winch accident could cause serious injury. Not for moving humans. Make certain clicking sound
is heard as the equipment is being raised. Be sure winch is locked in position before releasing
handle. Read instruction page before operating this winch. Never allow winch to unwind freely.
Freewheeling will cause uneven cable wrapping around winch drum, damage cable, and may cause
serious injury. (C048)
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:
xii Installing the System and Ordered Parts for the 8335-GCA or 8335-GTA

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.
The dc-powered system is intended to be installed in a common bonding network (CBN) as described in
GR-1089-CORE.
Safety notices xiii

xiv Installing the System and Ordered Parts for the 8335-GCA or 8335-GTA

Installing the IBM Power System S822LC (8335-GTA and
8335-GCA)
Learn how to install, cable, and set up your server.
Prerequisite for installing the rack-mounted server
Use the information to understand the prerequisites that are required for installing the server.
About this task
You might need to read the following documents before you install the server:
vThe latest version of this document is maintained online, see Installing the IBM Power System S822LC
(8335-GTA and 8335-GCA) (http://www.ibm.com/support/knowledgecenter/HW4M4/p8ehm/
p8ehm_kickoff.htm).
vTo plan your server installation, see Planning for the system (http://www.ibm.com/support/
knowledgecenter/POWER8/p8had/p8had_8xx_kickoff.htm).
Procedure
Ensure that you have the following items before starting your installation:
vPhillips screwdriver
vFlat-head screwdriver
vBox cutter
vElectrostatic discharge (ESD) wrist strap
vRack with two Electronic Industries Association (EIA) units (2U) of space
Note: If you do not have a rack that is installed, install the rack. For instructions, see Racks and rack
features (http://www.ibm.com/support/knowledgecenter/POWER8/p8hbf/p8hbf_8xx_kickoff.htm).
Completing inventory for your server
Use this information to complete inventory for your server.
Procedure
1. Verify that you received all the boxes you ordered.
2. Unpack the server components as needed.
3. Complete a parts inventory before you install each server component by following these steps:
a. Locate the inventory list for your server.
b. Ensure that you received all the parts that you ordered.
Note: Your order information is included with your product. You can also obtain order
information from your marketing representative or the IBM Business Partner.
If you have incorrect, missing, or damaged parts, consult any of the following resources:
vYour IBM reseller.
vIBM Rochester manufacturing automated information line at 1-800-300-8751 (United States only).
vThe Directory of worldwide contacts website http://www.ibm.com/planetwide. Select your
location to view the service and support contact information.
© Copyright IBM Corp. 2015, 2017 1

Determining and marking the location in the rack
You might need to determine where to install the system unit into the rack.
Procedure
1. Read the Rack safety notices (http://www.ibm.com/support/knowledgecenter/POWER8/p8hbf/
racksafety.htm).
2. Determine where to place the system unit in the rack. As you plan for installing the system unit in a
rack, consider the following information:
vOrganize larger and heavier units into the lower part of the rack.
vPlan to install units into the lower part of the rack first.
vRecord the Electronic Industries Alliance (EIA) locations in your plan.
Note: The server is two EIA units high. An EIA unit is 44.55 mm (1.75 in.) in height. The rack
contains three mounting holes for each EIA unit of height. This system unit, therefore, is 89 mm (3.5
in.) high and covers six mounting holes in the rack.
3. If necessary, remove the filler panels to allow access to the inside of the rack enclosure where you
plan to place the unit, as shown in Figure 1 on page 3.
2Installing the System and Ordered Parts for the 8335-GCA or 8335-GTA

4. Determine to place the system in the rack. Record the EIA location.
5. Facing the front of the rack and working from the right side, use tape, a marker, or pencil to mark
the lower hole of each EIA unit.
6. Repeat step 5 for the corresponding holes located on the left side of the rack.
7. Go to the rear of the rack.
8. On the right side, find the EIA unit that corresponds to the bottom EIA unit marked on the front of
the rack.
9. Mark the bottom EIA unit.
10. Mark the corresponding holes on the left side of the rack.
Installing the system using the slide rails
If you ordered the system with the slide rail option, read this section to install the system into the rack
using the slide rails.
Figure 1. Removing the filler panels
Installing the IBM Power System S822LC (8335-GTA and 8335-GCA) 3

Attaching the slide rails to the rack
You might need to attach the mounting hardware to the rack. Use the procedure to complete this task.
The information is intended to promote safety and reliable operation, and includes illustrations of the
related hardware components and shows how these components relate to each other.
About this task
Attention: To avoid rail failure and potential danger to yourself and to the unit, ensure that you have
the correct rails and fittings for your rack. If your rack has square support flange holes or screw-thread
support flange holes, ensure that the rails and fittings match the support flange holes that are used on
your rack. Do not install mismatched hardware by using washers or spacers. If you do not have the
correct rails and fittings for your rack, contact your IBM reseller.
Procedure
1. Each slide rail is marked with either an R (right) or an L (left), when you look from the front. Select
the left slide rail, bring it to the rear of the rack, and locate the selected EIA unit that was previously
marked.
2. Remove the screw from the rear of the rail (3).Align the two pins located on the rear of the slide rail
with the top and bottom holes within the selected EIA unit that were previously marked. Pull the
slide rail toward you to insert the two pins into the rack holes (1), and lower the slide rail down (2) to
engage the hook feature on the top pin. For details, see Figure 2. Ensure that the two pins protrude
through the rack holes before you proceed to the next step.
Note: The pin fixtures of the slide rails support either round-hole or square-hole rack models.
3. Move to the front of the rack. Push up on the locking tab (1) on the front of the rail, and pull out the
front latch (2) at the front of the rail. For details, see Figure 3 on page 5.
Figure 2. Aligning and engaging the pins into the holes in the rear of the rack
4Installing the System and Ordered Parts for the 8335-GCA or 8335-GTA