What's new for IBM i 7.5
Read about new or changed information for the Installing, upgrading, or deleting IBM® i and related software topic collection.
- IBM i 7.5 supports POWER9™ and later hardware
- For more information on models and releases supported, see Releases supported and system model information for IBM i upgrades.
What's new for IBM i 7.5 installs and upgrades
- Requirements before you install IBM i 7.5 Licensed Internal Code
The IBM i 7.5 Licensed Internal Code requires more storage on the load-source disk unit than IBM i 7.3 Licensed Internal Code. To upgrade to IBM i 7.5 Licensed Internal Code, all systems will require up to approximately 8 gigabytes of system ASP free space before IBM i 7.5 can be installed. Your upgrade will stop during the installation of Licensed Internal Code if you do not have this space.
If upgrading from IBM i 7.4, the required free space was already checked during the prior release installation.
- Upgrading IBM i from prior releases
- An IBM i 7.3 environment on a POWER9 or POWER10 processor-based server or an IBM i 7.4 environment on a POWER9 or POWER10 processor-based server can be upgraded to IBM i 7.5.
- Security changes related to Service Tool IDs
- Signing on to Dedicated Service Tools (DST) is required when IBM i is started in manual mode or when accessing service tool functions. Before you can start an installation, you must sign on with an enabled service tool user ID. During Licensed Internal Code installation using D-Mode IPL, service tool user IDs are restored from installation media.
How to see what's new or changed
- The image to mark where new or changed information begins.
- The image to mark where new or changed information ends.
In PDF files, you might see revision bars (|) in the margin of new and changed information.
To find other information about what's new or changed this release, see the Memo to users.