Port POST Codes

The following table details the Port 80 POST codes and drivers used in the POST.

Driver Name

Port 80 Code

Driver Name

Port 80 Code

PeiEventLog

01

CpuIo

3E

OemServices

02

Cf9Reset

3F

SioInit

03

PcRtc

40

MonoStatusCode

04

StatusCode

41

PentiumMCpuPeim

08

Variable

42

PlatformStage1

09

SmmVariable

CF

Variable

0A

EmuVariable

43

IchInit

0B

TcgDxe

A2

PlatformStage2

0D

PhysicalPresence

A3

IchSmbusArpDisabled

0E

TpmDriver

AE

ClockGen

12

TcgSmm

AE

OpPresence

13

PhysicalPresenceReadyToBoot

AE

TcgPei

14

DataHubRecordPolicy

AD

FindFv

15

Undi

86

DxeIpl

2F

SNP

90

LightMemoryInit

10

BC

91

S3ResumeSoftSmi

11

PxeDhcp4

92

Crc32SectionExtract

31

Ebc

93

OemServices

A4

IsaBus

4D

EventLog

A5

IsaSerial

4E

ScriptSave

32

Ps2Mouse

6D

AcpiS3Save

33

IdeBus

4F

SmartTimer

34

LightPciBus

50

JpegDecoder

35

UsbBot

6E

PcxDecoder

36

UsbCbi0

6F

PlatformBds

8A

UsbCbi1

70

MpCpu

37

UsbKb

71

LegacyMetronome

38

UsbMassStorage

72

FtwLite

39

UsbMouse

74

Runtime

3A

Ehci

8F

MonotonicCounter

3B

Uhci

73

WatchDogTimer

3C

UsbBus

75

SecurityStub

3D

SmmBase

C2

Driver Name

Port80 Code

Driver Name

Port80 Code

SmmDisp

C5

HiiDatabase

80

SmmReloc

C4

OemSetupBrowser

82

SmmRuntime

C7

Font(English)

7E

SmmThunk

C9

Font(French)

7F

OemServices

D8

Font(Chinese)

8D

ChipsetInit

44

UnicodeCollation

B1

SmmAccess

C0

ConPlatform

5A

PciHostBridge

46

ConSplitter

5D

PciExpress

47

GraphicsConsole

79

GmchMbi

CD

Terminal

7A

IchInit

48

VgaClass

5E

IdeController

49

SaveMemoryConfig

5B

SataController

4A

AcpiSupport

5C

IchSmbusLight

4B

AcpiPlatform

53

SmmControl

C1

DataHub

5F

Ich7MSmmDispatcher

C8

DataHubStdErr

7B

IsaAcpiDriver

4C

GenericMemoryTest

61

Fwh

52

DiskIo

60

SmmFwh

CE

Fat

7C

PciHotPlug

54

Partition

7D

BootOptionPolicy

51

PciPlatform

6B

SetupUtility

76

AlertStandardForma

45

Platform

55

PciSerial

A8

PlatformIde

56

AsfInit

A7

Ppm

D9

IdeRController

A9

Platform

CC

Legacy8259

63

Ihisi

D0

LegacyRegion

64

SetupMouse

f9

LegacyInterrupt

65

Int15Microcode

D1

BiosKeyboard

66

SmmPnp

D2

BiosVideo

67

Smbios

57

MonitorKey

68

MemorySubClass

58

LegacyBios

69

MiscSubclassDriver

59

LegacyBiosPlatform

6A

SysPassword

AB

LegacyMouse

77

PswdConsole

AC

SmmUsbLegacy

78

HddPswdServiceBody

D7

AmtbxInvoke

AA

HddPswdService

A6

OemBadgingSupport

83

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