Checkpoint

Description

 

 

67h

Prepare memory size information for function call:

 

INT 15h ax=E820h

 

 

68h

Reserved

 

 

69h

Turn on L2 cache

 

 

6Ah

Reserved

 

 

6Bh

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

 

table.

 

 

6Ch

Reserved

 

 

6Dh

1. Assign resources to all ISA PnP devices.

 

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

 

“AUTO”

 

 

6Eh

Reserved

 

 

6Fh

1. Initialize floppy controller

 

2. Set up floppy related fields in 40: hardware.

 

 

70h

Reserved

 

 

71h

Reserved

 

 

72h

Reserved

 

 

73h

(Optional Feature)

 

Enter AWDFLASH.EXE if:

 

-AWDFLASH is found in floppy drive

 

-ALT+F2 is pressed

 

 

74h

Reserved

 

 

75h

Detect & install all IDE devices: HDD, LS120, ZIP,CDROM

 

 

76h

Reserved

 

 

77h

Detect serial ports & parallel ports

 

 

78h

Reserved

 

 

79h

Reserved

 

 

7Ah

Detect & install co-processor

 

 

7Bh

Reserved

 

 

7Ch

Reserved

 

 

7Dh

Reserved

 

 

7Eh

Reserved

 

 

7Fh

1. Switch back to text mode if full screen logo is supported.

 

-If errors occur, report errors & wait for keys

 

-If no errors occur or F1 key is pressed to continue:

 

Clear EPA or customization logo.

 

 

80h

Reserved

 

 

81h

Reserved

 

 

82h

1. Call chipset power management hook.

 

2. Recover the text fond used by EPA logo (not for full screen logo)

 

3. If password is set, ask for password.

 

 

83h

Save all data in stack back to CMOS.

 

 

84h

Initialize ISA PnP boot devices.

 

 

67

Chapter 4

Page 73
Image 73
Acer 3300S manual Auto

3300S specifications

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