Dell PowerConnect W-7200 Series Reference Manual page 173

The following command uses system partition 1 the next time the controller boots:
boot system partition 1
Command History
ArubaOS 1.0
ArubaOS 6.0
Command Information
Platforms
All platforms
Dell PowerConnect W-Series ArubaOS 6.2 | Reference Guide
Modification
Introduced for the first time.
The remote-node parameter was introduced.
Licensing
Base operating system
Command Mode
Enable and Config mode on master controllers
boot | 173