EVGA 121-LF-E652 Computer Hardware User Manual


 
Configuring the BIOS
Code
Description
20
Relocate System Management interrupt vector
24
Uncompress and initialize BIOS module
2A
Initialize devices primary
2C
Initialize devices secondary
2E
Initialize output devices
31
Allocate memory for ADM module
33
Initialize silent boot module
37
Display sign-on message
38
Initialize USB controller
39
Initialize DMAC-1 & DMAC-2
3A
Initialize real time clock
3B
Test system memory
3C
Initialization of chipset registers
40
Detect coprocessor
52
Update CMOS memory size
60
Initialize NUM-LOCK
75
Initialize Int-13
78
Initialize IPL devices
7C
Generate and write contents of ESCD
84
Log errors encountered
85
Display errors, if no display check monitor/video card
87
Execute BIOS setup if needed or requested
8C
Late POST initialization of chipset registers
8D
Build ACPI tables
8E
Program peripheral parameters
90
Initialize system management interrupt
A1
Prepare for system boot
A2
Initialize IRQ routing table
A4
Display boot option popup
A7
Display system configuration screen
A9
Wait for user input at configuration display