Hitachi CB 520H A1 User Manual page 197

4 When the boot option of EFI Internal Shell is displayed at the head,
.
Change Boot Order is unnecessary. Execute from Procedure 8 after
selecting Discard Changes and Exit.
5 When except the above mentioned, Select Change the order
.
6 Press + or - key, Move Boot option of EFI Internal Shell to the head.
.
Hitachi Compute Blade 500 Series Logical partitioning manager User's Guide
Setup of LPAR manager
5-35