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Software Terms
Software Terms
This section discusses software migration, upgrade paths, previous release support, terms
and conditions, and software subscription.
Supported Upgrade Paths
Software upgrade paths supported on OS/400 are identified in this table.
Note: OS/400 V4R5 is the last release to offer single step CISC-to-RISC upgrade capabilities
from V3R2. For single step CISC-to-RISC upgrades from V3R2, use the Enhanced Upgrade
Assistant 5798-TBU.
OS/400 Single-Step Upgrades
Single step RISC-to-RISC upgrades are supported as normal upgrade procedures.
Instructions are found in the software installation manual corresponding to the release.
If a new RISC iSeries server replaces an existing RISC iSeries server, order feature #0205
against the hardware to restrict the preload of all software except SLIC and the basic
functions of OS/400. This allows the remaining libraries to be migrated from the existing
system to the new system.
To:
From:
V4R5 V5R1
V3R2 X
V4R1 X
V4R2 X
V4R3 X
V4R4 X X
V4R5 X
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