58
Code(hex) Name
Description
52
Memory Test
Test all memory of memory above 1MB
using Virtual 8086 mode,
page mode and clear the memory
53 Reserved
54 Reserved
55
CPU display
Detect CPU speed and display
CPU vendor specific version string
and turn on all necessary CPU features
56 Reserved
57
PnP Init
Display PnP logo and PnP early init
58 Reserved
59
Setup Virus Protect
Setup virus protect according to Setup
5A Reserved
5B
Awdflash Load
If required, will auto load
Awdflash.exe in POST
5C Reserved
5D
Onboard I/O Init
Initializing onboard superIO
5E Reserved
5F Reserved
60
Setup enable
Display setup message and enable setup
functions
61 Reserved
62 Reserved
63 Initialize
&
Install Mouse
Detect if mouse is present, initialize
mouse, install interrupt
vectors.
64 Reserved
65
PS2 Mouse special
Special treatment to PS2 Mouse port
66 Reserved
67
ACPI init
ACPI sub-system initializing
68 Reserved
69 Setup
Cache
Controller
Initialize cache controller.
6A Reserved
6B
Setup Entering
Enter setup check and auto-
configuration check up
6C Reserved
6D Initialize
Floppy
Drive & Controller
Initialize floppy disk drive controller
and any drives.
6E Reserved
6F
FDD install
Install FDD and setup BIOS data area
parameters
70 Reserved
71 Reserved
72 Reserved
73 Initialize
Hard
Drive & Controller
Initialize hard drive controller and
any drives.
74 Reserved
75
Install HDD
IDE device detection and install
76 Reserved
77
Detect & Initialize
Serial/Parallel
Ports
Initialize any serial and parallel
ports (also game port).
78 Reserved
79 Reserved
7A
Detect & Initialize
Math Coprocessor
Initialize math coprocessor.
7B Reserved