User`s manual

User’s Manual

AIMB-240 Series User’s Manual

Code (hex) Name Description

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 Option ROMs Initialize any option ROMs present from C8000h to EFFFFh.

NOTE: When FSCAN option is enabled, ROMs initialize from

C8000h to F7FFFh.

86 Reserved

87 Reserved

88 Reserved

89 Reserved

8A Reserved

8B Reserved

8C Reserved

8D Reserved

8E Reserved

8F Reserved

90 Reserved

91 Reserved

92 Reserved

93 Boot Medium detection Read and store boot partition head and cylinders values in RAM

94 Final Init Final init for last micro details before boot

95 Special KBC patch Set system speed for boot. Setup NumLock status according to

Setup

96 Boot Attempt Set low stack Boot via INT 19h.

FF Boot