AMD SB700 User Manual page 61

5B Cmos Check
5C Chipset default
Prog
5D Identify the CPU
5E Setup Interrupt
Vector Table
5F Test CMOS
Interface and
Battery status
60 KBC final Init
61 Initialize Video
Interface
62 Video memory test
63 Setup PS2 mouse and
test DMA
64 Test 8259
65 Init Boot Device
66 Install Boot
Devices
67 Cache Init
68 PM init
69 PM final Init and
issue SMI
FF Full on
BootBlock POST Codes
Code(hex) Name
1 Base memory test
5 KB init
12 Install
vectors
0D Init Video
41 Init FDD
FF Boot
Reset Video controller
Keyboard controller init
Test the Keyboard
Initilized the mouse
Check Cmos Circuitry and reset CMOS
Program the chipset registers with
CMOS values. Init onboard clock
generator
Check the CPU ID and init L1/L2 cache
Initialize first 120 interrupt
vectors with SPURIOUS_INT_HDLR and
INT 00h-1Fh according to INT_TBL
First step initialize if single CPU
Onboard. Re-init KB
If support HPM, HPM get initialized
Here.
Verifies CMOS is working correctly,
detects bad battery. If failed, load
CMOS defaults and load into chipset
Final Initial KBC and setup BIOS data
area
Read CMOS location 14h to find out
type of video in use.
Detect and Initialize Video Adapter.
Test video memory, write sign-on
message to screen.
Setup shadow RAM - Enable shadow
according to Setup.
Setup PS2 Mouse and reset KB
Test DMA channel 0
Test 8259 channel 1 and mask IRQ 9
Detect if mouse is present,
initialize mouse, install interrupt
vectors.
Special treatment to PS2 Mouse port
ACPI sub-system initializing
Initialize cache controller.
Enter setup check and auto-
configuration check up
Initialize floppy disk drive
controller and any drives.
Install FDD and setup BIOS data area
Parameters Initialize hard drive
controller and any drives.
IDE device detection and install
Cache init and USB init
PM initialization
Final init Before resume
Description
Clear base memory area
(0000:0000--9000:ffffh)
Initialized KBC
interrupt Install int. vector (0-77), and
initialized 00-1fh to their
proper place
Video initializing
Scan floppy and media capacity for onboard
superIO
Load boot sector
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