Checkpoint

Description

08

Initializes the CPU. The BAT test is being done on KBC.Program the keyboard

 

controller command byte is being done after Auto detection of KB/MS using AMI

 

KB-5.

C0

Early CPU Init Start -- Disable Cache – Init Local APIC

 

 

C1

Set up boot strap processor Information

 

 

C2

Set up boot strap processor for POST

 

 

C5

Enumerate and set up application processors

 

 

C6

Re-enable cache for boot strap processor

 

 

C7

Early CPU Init Exit

 

 

0A

Initializes the 8042 compatible Key Board Controller.

 

 

0B

Detects the presence of PS/2 mouse.

 

 

0C

Detects the presence of Keyboard in KBC port.

 

 

0E

Testing and initialization of different Input Devices. Also, update the

 

Kernel Variables.

 

Traps the INT09h vector, so that the POST INT09h handler gets control for IRQ1.

 

Uncompress all available language, BIOS logo, and Silent logo modules.

13

Early POST initialization of chipset registers.

 

 

20

Relocate System Management Interrupt vector for all CPU in the system.

 

 

24

Uncompress and initialize any platform specific BIOS modules. GPNV is

 

 

2A

Initializes different devices through DIM.

 

 

2C

Initializes different devices. Detects and initializes the video adapter installed in the

 

system that had optional ROMs.

 

 

2E

Initializes all the output devices.

 

 

31

Allocate memory for ADM module and uncompress it. Give control to ADM module

 

for initialization. Initialize language and font modules for ADM. Activate ADM

 

module.

 

 

33

Initializes the silent boot module. Set the window for displaying text information.

 

 

37

Displaying sign-on message, CPU information, setup key message, and any

 

OEM specific information.

 

 

38

Initializes different devices through DIM. USB controllers are initialized at this point.

 

 

68

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Image 74
Packard Bell M5850 manual KB-5