POST Code

Function

Phase

Component

 

 

 

 

0x82

Initialize the CPU

Crisis Recovery

Core

0x89

Set Huge Segment

Crisis Recovery

Core

 

 

 

 

0x83

Initialize system timer

Crisis Recovery

Core

 

 

 

 

0x84

Initialize system I/O

Crisis Recovery

Core

 

 

 

 

0x88

Initialize Multi Processor

Crisis Recovery

Core

 

 

 

 

0x8A

Initialize OEM special code

Crisis Recovery

Core

 

 

 

 

0x8B

Initialize PIC and DMA

Crisis Recovery

Core

 

 

 

 

0x8C

Initialize Memory type

Crisis Recovery

Core

 

 

 

 

0x8D

Initialize Memory size

Crisis Recovery

Core

 

 

 

 

0x8F

Initialize SMM

Crisis Recovery

Core

 

 

 

 

0x90

System memory test

Crisis Recovery

Core

 

 

 

 

0x91

Initialize interrupt vectors

Crisis Recovery

Core

 

 

 

 

0x92

Initialize Run Time Clock

Crisis Recovery

Core

 

 

 

 

0x99

Initialize security

Crisis Recovery

Core

 

 

 

 

0x93

Initialize video

Crisis Recovery

Core

 

 

 

 

0x94

Output one beep

Crisis Recovery

Core

 

 

 

 

0x98

USB Initialization

Crisis Recovery

Core

 

 

 

 

0x95

Initialize the installed boot devices

Crisis Recovery

Core

 

 

 

 

0x96

Clear Huge segment

Crisis Recovery

Core

 

 

 

 

0x97

Boot Crisis Disk

Crisis Recovery

Core

 

 

 

 

0x20

DXE starts

DXE

Core

 

 

 

 

0x30

BIOSPSM

DXE

Core

 

 

 

 

0x02

BIOSBlockIO

DXE

Core

 

 

 

 

0x00

BIOSPSM Exception Handler - Divide error

BIOSPSM

Core

 

 

 

 

0x38

Cannot locate LegacyRegion DXE

BIOSPSM

Core

 

 

 

 

0xB1

ACPISupport driver Installed

DXE

Core

 

 

 

 

0xE0

BDS Entry

DXE

Core

 

 

 

 

0x07

IA32 variable driver entry

DXE

Core

 

 

 

 

0x0D

conspliter driver entry

DXE

Core

 

 

 

 

0x10

partition driver entry

DXE

Core

 

 

 

 

0x49

pciRootBridge driver entry

DXE

Core

 

 

 

 

0xC6

pciBusDriver entry

DXE

Core

 

 

 

 

0xE0

Go to legacy BIOS or BDS Entry Point

DXE

Core

 

 

 

 

0x90

Start Image

DXE

Core

 

 

 

 

0x90

Start Image Successfully

DXE

Core

 

 

 

 

0x90

Start Image Failed

DXE

Core

 

 

 

 

0x33

Debug Test driver for debug test PPI 1

DXE

Core

 

 

 

 

0x22

Debug Test driver for debug test PPI 2

DXE

Core

 

 

 

 

0x11

Debug Test driver for debug test PPI 3

DXE

Core

 

 

 

 

0x02

Invalid event # for measuring Separator Event

DXE

TCG

 

 

 

 

0x02

Invalid event # for measuring Separator Event

DXE

TCG

 

 

 

 

0x02

PCR Index over limit (PCR > 23)

DXE

TCG

 

 

 

 

0x02

TCG copy memory failed

DXE

TCG

 

 

 

 

136

Chapter 4

Page 146
Image 146
Acer 4530, 4230 manual Biospsm DXE, Dxe Tcg