Enterasys Networks X-Pedition 2000 - Manual (Page 74)

Loading System Image Firmware
58 Enterasys X-Pedition 2000 Getting Started Guide
Here is an example:
6. Enter the system image list command to verify the change.
Note: You do not need to activate this change.
xp-1# system image choose E9050-image
Making image E9050-image (version E9.0.5.0) the active image
for next reboot on Master CM . . .
%SYS-I-CHS_PRIMARY_OK, image successfully chosen on Primary CM
xp-1# system image list
Images currently available on Master CM:
E9050-image (version E9.0.5.0) [selected for next boot]