007-3725-002 1
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 applicable only to systems
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.x
1
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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