02
|
Verify real mode
|
03
|
Disable non-maskable interrupt (NMI)
|
04
|
Get CPU type
|
06
|
Initialize system hardware
|
07
|
Disable shadow and execute code from the ROM
|
08
|
Initialize chipset with initial POST values
|
09
|
Set IN POST flag
|
0A
|
Initialize CPU registers
|
0B
|
Enable CPU cache
|
0C
|
Initialize caches to initial POST values
|
0E
|
Initialize I/O component
|
0F
|
Initialize the local bus IDE
|
10
|
Initialize power management
|
11
|
Load alternate registers with initial POST values
|
12
|
Restore CPU control word during warm boot
|
13
|
Initialize PCI bus mastering devices
|
14
|
Initialize keyboard controller
|
16
|
BIOS ROM checksum
|
17
|
Initialize cache before memory autosize
|
18
|
8254 programmable interrupt timer initialization
|
1A
|
8237 DMA controller initialization
|
1C
|
Reset programmable interrupt controller
|
20
|
Test DRAM refresh
|
22
|
Test 8742 keyboard controller
|
24
|
Set ES segment register to 4 GB
|
26
|
Enable gate A20 line
|
28
|
Autosize DRAM
|
29
|
Initialize POST memory manager
|
2A
|
Clear 512 KB base RAM
|
2C
|
RAM failure on address line xxxx
|
2E
|
RAM failure on data bits xxxx of low byte of memory bus
|
2F
|
Enable cache before system BIOS shadow
|
30
|
RAM failure on data bits xxxx of high byte of memory bus
|
32
|
Test CPU bus clock frequency
|
33
|
Initialize Phoenix Dispatch Manager
|
36
|
Warm start shut down
|
38
|
Shadow system BIOS ROM
|
3A
|
Autosize cache
|
3C
|
Advanced configuration of chipset registers
|
3D
|
Load alternate registers with CMOS values
|
41
|
Initialize extended memory for RomPilot
|
42
|
Initialize interrupt vectors
|
45
|
POST device initialization
|
46
|
Check ROM copyright notice
|
47
|
Initialize I20 support
|
48
|
Check video configuration against CMOS
|
49
|
Initialize PCI bus and devices
|
4A
|
Initialize all video adapters in system
|
4B
|
QuietBoot start (optional)
|
4C
|
Shadow video BIOS ROM
|
4E
|
Display BIOS copyright notice
|
4F
|
Initialize MultiBoot
|
50
|
Display CPU type and speed
|
51
|
Initialize EISA board
|
52
|
Test keyboard
|
54
|
Set key click if enabled
|
55
|
Enable USB devices
|
58
|
Test for unexpected interrupts
|
59
|
Initialize POST display service
|
5A
|
Display prompt “Press F2 to enter SETUP”
|
5B
|
Disable CPU cache
|
5C
|
Test RAM between 512 KB and 640 KB
|
60
|
Test extended memory
|
62
|
Test extended memory address lines
|
64
|
Jump to UserPatch1
|
66
|
Configure advanced cache registers
|
67
|
Initialize multiprocessor APIC
|
68
|
Enable external and CPU caches
|
69
|
Set up system management mode (SMM) area
|
6A
|
Display external L2 cache size
|
6B
|
Load custom defaults (optional)
|
6C
|
Display shadow area message
|
6E
|
Display possible high address for UMB recovery
|
70
|
Display error messages
|
72
|
Check for configuration errors
|
76
|
Check for keyboard errors
|
7C
|
Set up hardware interrupt vectors
|
7D
|
Initialize Intelligent System Monitoring
|
7E
|
Initialize coprocessor if present
|
80
|
Disable on-board super I/O ports and IRQs
|
81
|
Late POST device initialization
|
82
|
Detect and install external RS-232 ports
|
83
|
Configure non-MCD IDE controllers
|
84
|
Detect and install external parallel ports
|
85
|
Initialize PC compatible PnP ISA devices
|
86
|
Reinitialize on-board I/O ports
|
87
|
Configure motherboard configurable devices (optional)
|
88
|
Initialize BIOS data area
|
89
|
Enable non-maskable interrupts (NMIs)
|
8A
|
Initialize extended BIOS data area
|
8B
|
Test and initialize PS/2 mouse
|
8C
|
Initialize floppy controller
|
8F
|
Determine number of ATA drives (optional)
|
90
|
Initialize hard disk controllers
|
91
|
Initialize local bus hard disk controllers
|
92
|
Jump to UserPatch2
|
93
|
Build MPTABLE for multiprocessor boards
|
95
|
Install CD-ROM for boot
|
96
|
Clear huge ES segment register
|
97
|
Fix up multiprocessor table
|
98
|
Search for option ROMs
|
99
|
Check for SMART drive (optional)
|
9A
|
Shadow option ROMs
|
9C
|
Set up power management
|
9D
|
Initialize security engine (optional)
|
9E
|
Enable hardware interrupts
|
9F
|
Determine number of ATA and SCSI drives
|
A0
|
Set time of day
|
A2
|
Check key lock
|
A4
|
Initialize typematic rate
|
A8
|
Erase F2 prompt
|
AA
|
Scan for F2 keystroke
|
AC
|
Enter setup
|
AE
|
Clear boot flag
|
B0
|
Check for errors
|
B1
|
Inform RomPilot about the end of POST
|
B2
|
POST done - prepare to boot operating system
|
B4
|
One short beep
|
B5
|
Terminate QuietBoot (optional)
|
B6
|
Check password
|
B7
|
Initialize ACPI BIOS
|
B9
|
Prepare boot
|
BA
|
Initialize DMI parameters
|
BB
|
Initialize PnP option ROMs
|
BC
|
Clear parity checkers
|
BD
|
Display multiboot menu
|
BE
|
Clear screen
|
BF
|
Check virus and backup reminders
|
C0
|
Try to boot with interrupt 19
|
C1
|
Initialize POST Error Manager (PEM)
|
C2
|
Initialize error logging
|
C3
|
Initialize error display function
|
C4
|
Initialize system error handler
|
C5
|
PnP dual CMOS (optional)
|
C6
|
Initialize notebook docking (optional)
|
C7
|
Initialize notebook docking late
|
C8
|
Force check (optional)
|
C9
|
Extended checksum (optional)
|
CA
|
Redirect Int 15h to enable remote keyboard
|
CB
|
Redirect Int 13 to Memory Technologies Devices such as ROM, RAM, PCMCIA and serial disk
|
CC
|
Redirect Int 10h to enable remote serial video
|
CD
|
Remap I/O and memory for PCMCIA
|
CE
|
Initialize digitizer and display message
|
D2
|
Unknown interrupt
|
