To determine which level of Virtual I/O Server (VIOS) you're running:
1) Login in to the VIO partition using the user "padmin"
2) Issue the ioslevel command:
# ioslevel
Example:
# ioslevel
1) Login in to the VIO partition using the user "padmin"
2) Issue the ioslevel command:
# ioslevel
Example:
# ioslevel