3 post delay time [3 sec, 4 bootup numlock state [on, 5 wait for ‘f1’ if error [enabled – Asus A55-C User Manual
Page 64: 6 option rom messages [force bios, 7 interrupt 19 capture [postponed, 8 setup mode [ez mode, 9 csm (compatibility support module), Post delay time [3 sec] -24, Bootup numlock state [on] -24, Wait for ‘f1’ if error [enabled] -24

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ASUS A55-C
2.7.3
Post Delay Time [3 sec]
Allows you to set the POST Report wait time. This configuration only functions in Normal
Boot mode. Configuration options: [0 sec] [1 sec] [2 sec] [3 sec] [4 sec] [5 sec] [6 sec] [7 sec]
[8 sec] [9 sec] [10 sec]
2.7.4
Bootup NumLock State [On]
[On]
Sets the power-on state of the NumLock to [On].
[Off]
Sets the power-on state of the NumLock to [Off].
2.7.5
Wait for ‘F1’ If Error [Enabled]
When this item is set to [Enabled], the system waits for the F1 key to be pressed when error
occurs. Configuration options: [Disabled] [Enabled]
2.7.6
Option ROM Messages [Force BIOS]
[Force BIOS]
The third-party ROM messages will be forced to display during the boot
sequence.
[Keep Current]
The third-party ROM messages will be displayed only if the third-party
manufacturer had set the add-on device to do so.
2.7.7
Interrupt 19 Capture [Postponed]
[Immediate]
Immediately capture Interrupt 19 during boot process.
[Postponed]
Postpone capture of Interrupt 19 during boot process.
2.7.8
Setup Mode [EZ Mode]
[Advanced Mode]
Sets Advanced Mode as the default screen for entering the BIOS setup
program.
[EZ Mode]
Sets EZ Mode as the default screen for entering the BIOS setup
program.
2.7.9
CSM (Compatibility Support Module)
This option controls whether or not CSM (Compatibility Support Module) will be launched.
Launch CSM [Auto]
Configuration option: [Auto] [Enabled] [Disabled]
The following four items appear only when you set Launch CSM to [Enabled].
Boot Device Control [UEFI and Legacy OpROM]
Configuration option: [UEFI and Legacy OpRom] [Legacy OpROM only] [UEFI only]
Boot from Network Devices [Legacy OpROM first]
Configuration option: [Legacy OpROM first] [UEFI driver first] [Ignore]