vectors.

64

Reserved

 

65

PS2 Mouse special

Special treatment to PS2 Mouse port

66

Reserved

 

67

ACPI init

ACPI sub-system initializing

68

Reserved

 

69

Setup Cache

Initialize cache controller.

 

Controller

 

6A

Reserved

 

6B

Setup Entering

Enter setup check and auto-

 

 

configuration check up

6C

Reserved

 

6D

Initialize Floppy

Initialize floppy disk drive controller

 

Drive & Controller

and any drives.

6E

Reserved

 

6F

FDD install

Install FDD and setup BIOS data area

 

 

parameters

70

Reserved

 

71

Reserved

 

72

Reserved

 

73

Initialize Hard

Initialize hard drive controller and any

 

Drive & Controller

drives.

74

Reserved

 

75

Install HDD

IDE device detection and install

76

Reserved

 

77

Detect & Initialize

Initialize any serial and parallel

 

Serial/Parallel

ports (also game port).

 

Ports

 

78

Reserved

 

79

Reserved

 

7A

Detect & Initialize

Initialize math coprocessor.

 

Math Coprocessor

 

7B

Reserved

 

7C

HDD Check for Write

HDD check out

 

protection

 

7D

Reserved

 

7E

Reserved

 

7F

POST error check

Check POST error and display them

 

 

and ask for user intervention

80

Reserved

 

81

Reserved

 

82

Security Check

Ask password security (optional).

83

Write CMOS

Write all CMOS values back to RAM and

 

 

clear screen.

84

Pre-boot Enable

Enable parity checker

 

 

Enable NMI, Enable cache before boot.

85

Initialize

Initialize any option ROMs present

 

 

Option ROMs from C8000h to EFFFFh.

 

 

NOTE: When FSCAN option is enabled,

 

 

ROMs initialize from C8000h to F7FFFh.

86Reserved

87Reserved

88Reserved

89Reserved

8A

Reserved

8B

Reserved

8C

Reserved

8D

Reserved

8E

Reserved

8F

Reserved

90Reserved

91Reserved

92Reserved

93

Boot Medium

Read and store boot

partition head and

 

detection

cylinders values in

RAM

54

Page 59
Image 59
AMD SB750, 790GX user manual Ram