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Acrosser AR-B1740 User Manual

Page 33

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5Ch Reserved

5Dh 1.

Initialize

Init_Onboard_Super_IO

2. Initialize Init_Onbaord_AUDIO.

5Eh Reserved

5Fh Reserved

60h

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

CMOS setup utility.

61h Reserved

62h Reserved

63h

Reset keyboard if Early_Reset_KB is not defined.

64h Reserved

65h

Initialize PS/2 Mouse

66h Reserved

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 (Reserved

74h Reserved

75h

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

76h (Optional

Feature)

Enter AWDFLASH.EXE if:

-AWDFLASH.EXE is found in floppy drive.

-ALT+F2 is pressed.

77h

Detect serial ports & parallel ports.

78h Reserved

79h Reserved

7Ah

Detect & install co-processor

7Bh Reserved

7Ch

Init HDD write protect.

7Dh Reserved

7Eh Reserved

7Fh

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 :

wClear EPA or customization logo.

80h Reserved

81h Reserved

E8POST.ASM starts

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

85h

1. USB final Initialization

2. Switch screen back to text mode







AR-B1740 User's Manual

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