Quiet boot, Gatea20 active, Option rom messages – ADLINK cPCI-6930 User Manual
Page 114: Interrupt 19 capture, Csm support, Uefi boot, Boot option priorities, Hard drive bbs priorities

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BIOS Setup
Quiet Boot
X
Disabled - Set this value to allow the computer system to
display the POST messages.
X
Enabled - Set this value to allow the computer system to
display the OEM logo.
GateA20 Active
This option is useful when any RT code is executed above 1MB.
X
Upon Request - GA20 can be disabled using BIOS ser-
vices.
X
Always - Don't allow disabling of GA20.
Option ROM Messages
Set display mode for option ROM. Options: Force BIOS, Keep
Current.
Interrupt 19 Capture
Allows option ROM to trap Int 19. Options: Enabled/Disabled.
CSM Support
Enable, Disable CSM Support. If Auto is selected, based on OS,
CSM will be enable, disable automatically. Options: Enable, Dis-
able, Auto.
UEFI Boot
This option Enables, Disables boot from the UEFI devices.
Options: Enabled/Disabled.
Boot Option Priorities
Set the system boot order.
Hard Drive BBS Priorities
Set the order of the legacy devices in this group.