data bits of low byte of

 

 

 

APIC

 

 

memory bus

 

 

 

 

2Fh

 

Enable cache before

 

68h

 

Enable external and CPU

 

 

system BIOS shadow

 

 

 

caches

30h

 

1-4-1-1

. RAM failure on

 

69h

 

Setup System Management

 

 

data bits of high byte of

 

 

 

Mode (SMM) area

 

 

memory bus

 

 

 

 

Code

 

Beeps / Description

 

Code

 

Beeps / Description

6Ah

 

Display external L2 cache

 

A2h

 

Check key lock

 

 

size

 

 

 

 

6Bh

 

Load custom defaults

 

A4h

 

Initialize Typematic rate

 

 

(optional)

 

 

 

 

6Ch

 

Display shadow-area

 

A8h

 

Erase F2 prompt

 

 

message

 

 

 

 

6Eh

Display possible high

 

AAh

 

Scan for F2 key stroke

 

 

address for UMB recovery

 

 

 

 

70h

 

Display error messages

 

ACh

 

Enter SETUP

72h

 

Check for configuration

 

AEh

 

Clear Boot flag

 

 

errors

 

 

 

 

76h

 

Check for keyboard errors

 

B0h

 

Check for errors

7Ch

 

Set up hardware interrupt

 

B2h

 

POST done - prepare to

 

 

vectors

 

 

 

boot operating system

7Eh

 

Initialize coprocessor if

 

B4h

 

One short beep before boot

 

 

present

 

 

 

 

80h

 

Disable onboard Super I/O

 

B5h

 

Terminate QuietBoot

 

 

ports and IRQs

 

 

 

(optional)

81h

 

Late POST device

 

B6h

 

Check password (optional)

 

 

initialization

 

 

 

 

82h

 

Detect and install external

 

B9h

 

Prepare Boot

 

 

RS232 ports

 

 

 

 

83h

 

Configure non-MCD IDE

 

BAh

 

Initialize DMI parameters

 

 

controllers

 

 

 

 

84h

 

Detect and install external

 

BBh

 

Initialize PnP Option ROMs

 

 

parallel ports

 

 

 

 

85h

 

Initialize PC-compatible

 

BCh

 

Clear parity checkers

 

 

PnP ISA devices

 

 

 

 

86h.

 

Re-initialize onboard I/O

 

BDh

 

Display MultiBoot menu

 

 

ports.

 

 

 

 

87h

 

Configure Motherboard

 

BEh

 

Clear screen (optional)

 

 

Devices

 

 

 

 

88h

 

Initialize BIOS Data Area

 

BFh

 

Check virus and backup

 

 

 

 

 

 

 

reminders

89h

 

Enable Non-Maskable

 

C0h

 

Try to boot with INT 19

 

 

Interrupts (NMIs)

 

 

 

 

8Ah

 

Initialize Extended BIOS

 

C1h

 

Initialize POST Error

 

 

Data Area

 

 

 

Manager (PEM)

8Bh

 

Test and initialize PS/2

 

C2h

 

Initialize error logging

 

 

mouse

 

 

 

 

8Ch

 

Initialize floppy controller

 

C3h

 

Initialize error display

 

 

 

 

 

 

 

function

8Fh

 

Determine number of ATA

 

C4h

 

Initialize system error

 

 

drives (optional)

 

 

 

handler

90h

 

Initialize hard-disk

 

C5h

 

PnPnd dual CMOS

 

 

controllers

 

 

 

(optional)

91h

 

Initialize local-bus hard-disk

 

C6h

 

Initialize notebook docking

 

 

controllers

 

 

 

(optional)

92h

 

Jump to UserPatch2

 

C7h

 

Initialize notebook docking

 

 

 

 

67

 

 

 

 

 

http://www.tyan.com

 

Page 67
Image 67
Tyan Computer S2912 warranty Display shadow-area