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

89

1.

Assign IRQs to PCI devices

 

2.

Set up ACPI table at top of the memory.

 

 

 

8B

1.

Invoke all ISA adapter ROMs

 

2.

Invoke all PCI ROMs (except VGA)

 

 

 

8D

1.

Enable/Disable Parity Check according to CMOS setup

 

2.

APM Initialization

 

 

 

8F

Clear noise of IRQs

 

93

Read HDD boot sector information for Trend Anti-Virus code

 

 

1.

Enable L2 cache

 

 

2.

Program Daylight Saving

 

 

3.

Program boot up speed

 

94

4.

Chipset final initialization.

 

5.

Power management final initialization

 

 

 

 

6.

Clear screen & display summary table

 

 

7.

Program K6 write allocation

 

 

8.

Program P6 class write combining

 

95

Update keyboard LED & typematic rate

 

 

1.

Build MP table

 

 

2.

Build & update ESCD

 

96

3.

Set CMOS century to 20h or 19h

 

 

4.

Load CMOS time into DOS timer tick

Appendix

 

5.

Build MSIRQ routing table

FF

Boot attempt (INT 19h)

 

AN9 32X

5-3

Page 69
Image 69
AMD AN9 32X user manual Auto