Asus P5B Premium Vista Edition - Manual (Page 103)

ASUS P5B Premium -
Hit ‘DEL’ Message Display [Enabled]
When set to [Enabled], the system displays the message “Press DEL to run Setup”
during POST. Configuration options: [Disabled] [Enabled]
Interrupt 19 Capture [Disabled]
When set to [Enabled], this function allows the option ROMs to trap Interrupt 19.
Configuration options: [Disabled] [Enabled]