POST Code Definition

G-3

 

 

55Display number of processors (multi-processor platform)

Display PnP logo

57Early ISA PnP initialization

-Assign CSN to every ISA PnP device

59Initialize the combined Trend Anti-Virus code

5B

(Optional Feature) Show message for entering AWDFLASH.EXE from FDD (optional)

5D

1.

Initialize Init_Onboard_Super_IO

 

 

 

2.

Initialize Init_Onbaord_AUDIO

60Okay to enter Setup utility; i.e. not until this POST stage can users enter the CMOS setup utility

63Reset keyboard if Early_Reset_KB is not defined

65Initialize PS/2 Mouse

67Prepare memory size information for function call: INT 15h ax=E820h

69Turn on L2 cache

6B

Program chipset registers according to items described in Setup & Auto-configuration

table

 

 

1.

Assign resources to all ISA PnP devices

6D

2.

Auto assign ports to onboard COM ports if the corresponding item in Setup is set to

 

 

 

“AUTO”

 

 

 

6F

1.

Initialize floppy controller

 

 

 

2.

Set up floppy related fields in 40:hardware

75Detect & install all IDE devices: HDD, LS120, ZIP, CDROM … (Optional Feature)

76

Enter AWDFLASH.EXE if:

-AWDFLASH is found in floppy drive -ALT+F2 is pressed

77Detect serial ports & parallel ports.

7A Detect & install co-processor

7C Init HDD write protect

Switch back to text mode if full screen logo is supported

7F -If errors occur, report errors & wait for keys

-If no errors occur or F1 key is pressed to continue: Clear EPA or customization logo

E8POST.ASM starts

1. Call chipset power management hook

82 2. Recover the text font used by EPA logo (not for full screen logo) 3. If password is set, ask for password

83 Save all data in stack back to CMOS

84 Initialize ISA PnP boot devices

85

1. USB final Initialization

2. Switch screen back to text mode

87NET PC: Build SYSID Structure

1.Assign IRQs to PCI devices

2.Set up ACPI table at top of the memory.

User’s Manual

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Image 69
Abit KV8 PRO Initialize InitOnboardSuperIO, Initialize InitOnbaordAUDIO, Assign resources to all ISA PnP devices