POST

Function

Phase

Component

Code

 

 

 

 

 

 

 

0xD9

IPMI late init

LBT

Core

 

 

 

 

0x9C

Set up Power Management. Initiate power -management state

LBT

Core

 

machine.

 

 

 

 

 

 

0xC7

Late note dock init

LBT

Core

 

 

 

 

0x9E

Enable hardware interrupts

LBT

Core

 

 

 

 

0xA0

Setup time tick for current date/time

LBT

Core

 

 

 

 

0xA2

Setup Numlock indicator. Display a message if key switch is

LBT

Core

 

locked.

 

 

 

 

 

 

0xA4

Initialize typematic rate

LBT

Core

 

 

 

 

0xDB

StrongROM Test

LBT

Core

 

 

 

 

0xE2

OEM security key test

LBT

Core

 

 

 

 

0xC2

Write PEM errors.

LBT

Core

 

 

 

 

0xBA

Initialize the SMBIOS header and sub-structures.

LBT

Core

 

 

 

 

0xC3

Display PEM errors.

LBT

Core

 

 

 

 

0xA8

Overwrite the "Press F2 for Setup" prompt with spaces,

LBT

Core

 

erasing it from the screen.

 

 

 

 

 

 

0xAA

Scan the key buffer to see if the F2 key was struck after

LBT

Core

 

keyboard interrupts were enabled. If an F2 keystroke is found,

 

 

 

set a flag.

 

 

 

 

 

 

0xE1

Start Periodic Timer (TC Subscribe)

LBT

Core

 

 

 

 

0xAC

Check if "Enter SETUP" is pressed.

LBT

Core

 

 

 

 

0x8F

Count the number of ATA drives in the system and update the

LBT

Core

 

number in bdaFdiskcount.

 

 

 

 

 

 

0x91

Configure the local bus IDE timing register based on the drives

LBT

Core

 

attached to it.

 

 

 

 

 

 

0x9F

Check the total number of Fast Disks (ATA and SCSI) and

LBT

Core

 

update the bdaFdiskCount.

 

 

 

 

 

 

0xD7

Check if FirstWare HPA exists

LBT

Core

 

 

 

 

0xAE

Clear ConfigFailedBit and InPostBit in CMOS.

LBT

Core

 

 

 

 

0xB0

Check for errors and decide if needs to run Setup.

LBT

Core

 

 

 

 

0xB2

Change status bits in CMOS and/or the TrustedCore data area

LBT

Core

 

to reflect the fact that POST is complete.

 

 

 

 

 

 

0xB5

Fade out OEM Logo or post string

LBT

Core

 

 

 

 

0xC5

End hotkey detection (Server BIOS)

LBT

Core 16

 

 

 

 

0xBE

If BCP option is enabled, clear the screen before booting.

LBT

Core

 

 

 

 

0xB6

If password on boot is enabled, a call is made to Setup to

LBT

Core

 

check password. If the user does not enter a valid password,

 

 

 

Setup does not return.

 

 

 

 

 

 

0xBC

Clear parity-error latch

LBT

Core

 

 

 

 

0xB7

Initialize ACPI BIOS.

LBT

Core

 

 

 

 

0x9B

Enable CPU management (Geyserville I)

LBT

Core

 

 

 

 

0xBD

Display Boot First menu if MultiBoot is installed and hotkey

LBT

Core

 

pressed.

 

 

 

 

 

 

0xBF

Check virus and backup reminders.

LBT

Core

 

 

 

 

0x97

Create pointer to MP table in Extended BDA.

LBT

Core

 

 

 

 

Chapter 4

143

Page 153
Image 153
Acer 6530 manual 0xD9 Ipmi late init