Tyan Computer TOLEDO S5520 User Manual

Page 68

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68

Code

Beeps / Description

Code

Beeps / Description

95h

Install CD ROM for boot

C9h

Extended checksum

(optional)

96h

Clear huge ES segment

register

D2h Unknown

Interrupt

97h

Fixup Multi Processor table

80h

Chipset Init

98h

1-2. Search for option

ROMs.

81h

Bridge Init

99h

Check for SMART Drive

(optional)

82h

Initialize the CPU

9Ah

Shadow option ROMs

83h

Initialize system timer

9Ch

Set up Power Management

84h

Initialize system I/O

9Dh

Initialize security engine

(optional)

85h

Check force recovery boot

9Eh

Enable hardware interrupts

86h

Checksum BIOS ROM

9Fh

Determine number of ATA

and SCSI drives

87h

Go to BIOS

A0h

Set time of day

89h

Set Huge Segment

88h

Initialize Multi Processor

92h

Initialize Run Time Clock

8Ah

Initialize OEM special code

93h

Initialize video

8Bh

Initialize PIC and DMA

8Fh

Initialize System

Management Mode

8Ch

Initialize Memory type

94h

Output one beep before

boot

8Dh

Initialize Memory size

95h

Boot to Mini DOS

8Eh

Shadow Boot Block

96h

Clear Huge Segment

90h

System memory test

97h

Boot to Full DOS

91h

Initialize interrupt vectors



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