Hitachi CB 520H B1 Service Manual page 344

When BIOS setting of the port of FC mezzanine card is Disabled, skip
from step 13 to step 20.
13 Select Configure Boot Devices, and then press Enter.
.
14 Select the Boot Entry number, which status was Used before the
.
replacement, and then press Enter.
7-50
Configuring Emulex mezzanine card
Hitachi Compute Blade 500 Series System Service Manual