HP e-Commerce Server Accelerator sa7120 - Manual (Page 135)

Software Updates
Use the import upgrade command to upgrade your HP e-Commerce
Server Accelerator SA7100/SA7120 software. When you upgrade
your SA7100/SA7120 software, the configuration (including all
keys, certificates, and mapping) is saved. However, all log files are
cleared. The software is in the form of an image file (*.IMG).
Use the import patch command to install a patch to a current
software release. Patches typically effect fixes to minor software
issues. Customer Support can provide guidance regarding patches
appropriate to your system, if any.