ADLINK cPCI-6510 - Manual (Page 93)

BIOS Setup Utility 79
cPCI-6510
Bootup Num-Lock
This option sets the Num Lock status when the system is powered
on. Setting it to On will turn on the Num Lock key when the system
is booted up. Setting it to Off will not enable the Num Lock key on
bootup.
GateA20 Active
Upon Request:
GA20 can be disabled using BIOS services.
Always:
do not allow disabling GA20; this option is useful when
any RT code is executed above 1MB.
Interrupt 19 Capture
Allows Option ROMs to trap Int 19. Set this value to Enabled or
Disabled.
Boot Option #1
Set the boot device options to determine the sequence in which
the computer checks which device to boot from.
BBS Priorities
Selects the boot devices available for each device type to be used
for Boot Option Priorities settings.