With Software Logistics Toolset 1.0 Support Package Stack (SPS) 35, Software Update Manager 1.1 replaced Software Update Manager 1.0. This is due to long-time kernel maintenance of the included kernel.
The Software Logistics Toolset is the main landing page for information about Software Update Manager-related activities.
For details see support.sap.com/sltoolset.
This is the major SAP Note when using Software Update Manager for the specific scenario. It contains many activities that have to be considered.
The central Software Update Manager SAP Note is dependent of the version of the Software Update Manager. It can be found at support.sap.com/sltoolset.
The central Software Update Manager SAP Note contains the application specific central SAP Note and the database dependent central SAP Note.
All three major SAP Notes contain topics that have to be considered before and after the Software Update Manager procedure.