0. Silicon Graphics® O2™ and Silicon Graphics
Octane™ R12000 CPU Upgrade Information
This booklet provides information about installing an R12000 or R12000A CPU and any
necessary software in an O2 or Octane system. This upgrade is applicableonlytosystems
with an R10000 or R12000 CPU already installed.
Caution: These instructions supersede those found in the O2 Workstation Owner’s Guide
and the Octane Workstation Owner’s Guide. If you’re upgrading an O2, it’s especially
important that you complete the replacement of the CPU support prior to installing the
R12000A module or your CPU will be damaged during it’s installation
Checking Your Shipment
®
Included in this shipment are the following items:
• 6.5.x1 Overlay CD
• Wrist strap
• Reversible screwdriver
• R12000 or R12000A CPU processor module
• CPU support (P/N 050-0347-002) for use with the O2 R12000A only
• Upgrade label
1
“The Overlay version of IRIX 6.5 software that you received with this shipment. Overlay software is
labeled “IRIX 6.5.x, “x” referring to the current numbered version of the software, for example 6.5.3.
Base software is referred to as IRIX 6.5.
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Silicon Graphics
O2™ and Silicon Graphics® Octane™ R12000 CPU Upgrade Information
Installing the Software
Make sure you install the software before installing the hardware. You must have
IRIX 6.5 base software installed to be able to install the Overlay IRIX 6.5.x software. For
this upgrade, use the IRIX Overlay CD that shipped with this R12000 CPU hardware.
Note: IRIX 6.5 base software does not ship with the processor upgrade. Contact your
local sales representative to order the base IRIX 6.5.
To check your workstation’s IRIX version, from the Toolchest > Desktop, open a UNIX
shell.
At the prompt, enter
uname -aR
To install the software, follow the instructions in the software installation booklet that
came with your CDs.
Installing the Hardware
For instructions on installing the R12000 processor, refer to the appropriate document:
• To install the R12000 in an O2, follow the instructions for replacing the R10000 CPU
module in the O2 Workstation Owner’s Guide, Chapter 5, “Ordering, Removing, and
Installing Replacement Parts”. This information is also found in Chapter 5 in the
online O2 Workstation Hardware Reference Guide.
• To install the R12000A in an O2, see the instructions in the following section,
“Installing the R12000A in an O2”.
• To install the R12000 or R12000A processor in an Octane, see the Octane Workstation
Owner’s Guide, Chapter 2, “Installing and Removing the CPU and Memory”.
When you have completed the CPU installation, see “Attaching the Upgrade Label” on
page 16.
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Silicon Graphics® O2™ and Silicon Graphics® Octane™ R12000 CPU Upgrade Information
Installing the R12000A in an O2
To replace an R10000 or R12000 CPU module with an R12000A CPU module, follow these
steps.
To remove the R10000 or the R12000 CPU module, you must first remove the plastic face
plate of the system module and the PCI tray.
1. If you haven’t already done so, turn off the workstation, remove the power cable,
and remove the system module from the chassis.
2. Remove the plastic face plate from the system module:
• Use a Phillips screwdriver to remove five screws on the rear and two screws on
the underside, in the locations shown (Figure 1). Keep the two screws from the
underside separate. When reinstalling the faceplate you must use the same
screws.
Caution: On the underside, remove only twoscrews. Do not remove the third screw
that attaches the lever to the face plate.
Figure 1 Removing Seven Screws From the Face Plate
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3. Remove the faceplate by grasping it where the plastic comes to a “V” and pulling it
outward (Figure 2).
There is a filler panel covering the I/O port which falls away as you remove the face
plate.
Figure 2 Removing the Face Plate From the System Module
4. Release the PCI tray from the system module as follows. If a PCI board is installed in
the tray, do not remove it from the tray. However you need to disconnect any cables attached
to the PCI board.
• Insert a screwdriver in the small opening shown in Figure 3. Use a twisting
motion to release the PCI connector from the slot on the system module. Then
use an up and down motion to release the PCI tray.
• Pull the PCI tray straight up to remove it and set it aside.
Silicon Graphics® O2™ and Silicon Graphics® Octane™ R12000 CPU Upgrade Information
Figure 3 Releasing the PCI tray From the System Module
5. Before touching any of the components, ground yourself to a metal part of the
chassis. Attach the wrist strap as follows: (Figure 4)
• Wrap the first two folds of the wrist strap around your wrist.
• Peel the liner from the copper foil at the opposite end.
• Attach the copper foil to the chassis.
Figure 4 Attaching the Wrist Strap
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Silicon Graphics
®
O2™ and Silicon Graphics® Octane™ R12000 CPU Upgrade Information
6. Locate the R10000 or R12000 CPU module. It is protected by a metal heat sink
(Figure 5). Do not remove the heat sink.
7. Use a Phillips screwdriver to remove four screws from the locations shown in
Figure 5.
Caution: Do not remove the four hex screws. Do not remove the two screws that
secure the fan.
Figure 5 Removing the Screws From the R10000 or R12000 CPU Module
8. Grasp the CPU module on both sides and gently rock it out (Figure 6). Do not
exaggerate the rocking motion, or you will bend the pins. Set the CPU module
aside.
Figure 6 Removing the R10000 or R12000 CPU Module
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Silicon Graphics® O2™ and Silicon Graphics® Octane™ R12000 CPU Upgrade Information
9. Use the Phillips screwdriver to remove the top two screws securing the clear plastic
CPU support to the system module (Figure 7).
Figure 7 Removing the Top Screws from the CPU Support
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Silicon Graphics
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O2™ and Silicon Graphics® Octane™ R12000 CPU Upgrade Information
10. Turn over the system module and use the Phillips screwdriver to remove the third
screw securing the CPU support in place (Figure 8).
Figure 8 Removing the Bottom Screw from the CPU Support
Note: If the system module does not have a hole in the sheet metal to access this
screw, call your nearest SGI Customer Support Call center and report the nature of
the problem.
11. Remove the CPU support and set it aside.
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Silicon Graphics® O2™ and Silicon Graphics® Octane™ R12000 CPU Upgrade Information
12. Insert the new CPU support in the system module as shown in Figure 9. The new
CPU support can be distinguished from its predecessor by its gray color or by the
part number 050-0347-002 embellished on it.
13. Reinsert the two screws from the top to secure the CPU support into place.
Figure 9 Installing the New CPU Support in the System Module
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Silicon Graphics
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O2™ and Silicon Graphics® Octane™ R12000 CPU Upgrade Information
14. Reinsert the bottom screw to secure the CPU support into place as shown in
Figure 10.
Figure 10 Reinstalling the Bottom CPU Support Screw
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Silicon Graphics® O2™ and Silicon Graphics® Octane™ R12000 CPU Upgrade Information
15. Install the replacement R12000A CPU module as shown in Figure 11.
• Align the screw holes on the CPU module with the screw holes on the CPU
support. Make sure it is positioned correctly before pressing down.
• Press down gently on the CPU module until it is securely seated.
• Insert and tighten the four Phillips screws in the locations shown.
Figure 11 Securing the R12000A CPU Module
16. Remove the wrist strap.
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Silicon Graphics
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O2™ and Silicon Graphics® Octane™ R12000 CPU Upgrade Information
17. Replace the PCI tray in the system module as follows:
• Lower the PCI tray, engaging it on the metal rear panel of the system module
(Figure 12).
• Insert the PCI connector beneath the tray into the slot on the system module.
• Once the connector is aligned, push down firmly until it is completely seated.
Note: If the PCI tray is not completely seated, the system module will not slide back
into the chassis.
Figure 12 Replacing the PCI Tray in the R12000A System Module
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18. Replace the faceplate by sliding it onto the system module, while at the same time
lifting slightly at the “V” to snap it in place (Figure 13).
When properly seated, the underside of the faceplate is flush to the module and the
screw holes are aligned.
Figure 13 Replacing the Face Plate
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Silicon Graphics
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O2™ and Silicon Graphics® Octane™ R12000 CPU Upgrade Information
19. Align the screw holes on the faceplate with the screw holes on the system module.
Use a Phillips screwdriver to insert and tighten two screws on the underside in the
locations shown (Figure 14).
20. Replace the filler panel over the I/O opening on the inside of the module. It snaps
into place. If it doesn’t seem to fit, turn it 180 degrees and try again.
Figure 14 Replacing Two Screws on the Underside
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21. Use a Phillips screwdriver to insert and tighten five screws in the locations shown in
Figure 15.
Figure 15 Replacing Five Screws on the Face Plate
22. See the section, “Reinstalling the System Module,” in Chapter 5, “Ordering,
Removing, and Installing Replacement Parts,” in either the O2 Workstation Hardware
Reference Guide or the O2 Workstation Owner’s Guide.
23. Ship the original CPU module to Silicon Graphics in the container that held the
replacement CPU module.
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Silicon Graphics
O2™ and Silicon Graphics® Octane™ R12000 CPU Upgrade Information
Attaching the Upgrade Label
Attach the Octane upgrade label to the system label on the back of the workstation.
Attach the O2 upgrade label near the system label on the bottom of the workstation.
Troubleshooting
If your workstation does not boot after installing the CPU, reread the CPU installation
instructions. Check to make sure the new CPU is correctly seated. If you mistakenly
installed the new R12000 CPU before installing the software, follow these steps (refer to
your owner’s guide for instructions):
24. Remove the new CPU module.
25. Reinstall the old CPU module.
26. Install the software.
27. Remove the old CPU module.
28. Install the new CPU module.
If you need further help to troubleshoot the installation, see your owner’s guide. If
necessary, contact your local authorized service provider.
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Silicon Graphics® O2™ and
Silicon Graphics® Octane® R12000 CPU
Upgrade Information
Document Number 007-3725-002
CONTRIBUTORS
Written by Charmaine Moyer
Updated by Linda Rae Sande
Production by Karen Jacobson
COPYRIGHT
© 1999-2000 Silicon Graphics, Inc. All rights reserved; provided portions may be copyright in third parties, as indicated elsewhere herein. No
permission is granted to copy, distribute, or create derivative works from the contents of this electronic documentation in any manner, in whole
or in part, without the prior written permission of Silicon Graphics, Inc.
LIMITED RIGHTS LEGEND
The electronic (software) version of this document was developed at private expense; if acquired under an agreement with the USA government
or any contractor thereto, it is acquired as "commercial computer software" subject to the provisions of its applicable license agreement, as
specified in (a) 48 CFR 12.212 of the FAR; or, if acquired for Department of Defense units, (b) 48 CFR 227-7202 of the DoD FAR Supplement; or
sections succeeding thereto. Contractor/manufacturer is Silicon Graphics, Inc., 1600 Amphitheatre Pkwy 2E, Mountain View, CA 94043-1351.
TRADEMARKS AND ATTRIBUTIONS
Silicon Graphics, IRIX, and Octane are registered trademarks, and SGI, the SGI logo, and O2 are trademarks of Silicon Graphics, Inc. R10000 is
a registered trademark and R12000 is a trademark of MIPS Technologies, Inc. used under license by Silicon Graphics, Inc. UNIX is a registered
trademark in the United States and other countries, licensed exclusively through X/Open Company, Ltd.
For regulatory and compliance information, see your O2 Workstation Owner’s Guide or OCTANE Workstation Owner’s Guide.
©1999-2000, Silicon Graphics, Inc. All rights reserved.
Silicon Graphics, IRIX, and Octane are registered trademarks and SGI, the SGI logo, and O2 are trademarks of Silicon Graphics,
Inc. R10000 is a registered trademark and R12000 is a trademark of MIPS Technologies, Inc. used under license by Silicon
Graphics, Inc. UNIX is a registered trademark in the United States and other countries, licensed exclusively through X/Open
Company, Ltd.
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