User Guide

i4
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 an
y
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).