View source for AMI Boot code

== Typical AMI bios code<ref>https://rog-forum.asus.com/t5/other-motherboards/maximus-debug-led-codes/m-p/142997</ref> ==

=== Progress Codes ===
00 - Not used

01 - Power on. Reset type detection (soft/hard)

02 - AP initialization before microcode loading

03 - System Agent initialization before microcode loading

04 - PCH initialization before microcode loading

05 - OEM initialization before microcode loading

06 - Microcode loading

07 - AP initialization after microcode loading

08 - System Agent initialization after microcode loading

09 - PCH initialization after microcode loading

0A - OEM initialization after microcode loading

0B - Cache initialization

=== SEC Error Codes ===
0C - Reserved for future AMI SEC error codes

0D - Reserved for future AMI SEC error codes

0E - Microcode not found

0F - Microcode not loaded

=== PEI Phase ===
10 - PEI Core is started

11 - Pre-memory CPU initialization is started

12 - Pre-memory CPU initialization (CPU module specific)

13 - Pre-memory CPU initialization (CPU module specific)

14 - Pre-memory CPU initialization (CPU module specific)

15 - Pre-memory System Agent initialization is started

16 - Pre-Memory System Agent initialization (System Agent module specific)

17 - Pre-Memory System Agent initialization (System Agent module specific)

18 - Pre-Memory System Agent initialization (System Agent module specific)

19 - Pre-memory PCH initialization is started

1A - Pre-memory PCH initialization (PCH module specific)

1B - Pre-memory PCH initialization (PCH module specific)

1C - Pre-memory PCH initialization (PCH module specific)

1D - OEM pre-memory initialization codes

1E - OEM pre-memory initialization codes

1F - OEM pre-memory initialization codes

20 - OEM pre-memory initialization codes

21 - OEM pre-memory initialization codes

22 - OEM pre-memory initialization codes

23 - OEM pre-memory initialization codes

24 - OEM pre-memory initialization codes

25 - OEM pre-memory initialization codes

26 - OEM pre-memory initialization codes

27 - OEM pre-memory initialization codes

28 - OEM pre-memory initialization codes

29 - OEM pre-memory initialization codes

2A - OEM pre-memory initialization codes

2B - Memory initialization. Serial Presence Detect (SPD) data reading

2C - Memory initialization. Memory presence detection

2D - Memory initialization. Programming memory timing information

2E - Memory initialization. Confi guring memory

2F - Memory initialization (other)

30 - Reserved for ASL (see ASL Status Codes section below)

31 - Memory Installed

32 - CPU post-memory initialization is started

33 - CPU post-memory initialization. Cache initialization

34 - CPU post-memory initialization. Application Processor(s) (AP) initialization

35 - CPU post-memory initialization. Boot Strap Processor (BSP) selection

36 - CPU post-memory initialization. System Management Mode (SMM) initialization

37 - Post-Memory System Agent initialization is started

38 - Post-Memory System Agent initialization (System Agent module specific)

39 - Post-Memory System Agent initialization (System Agent module specific)

3A - Post-Memory System Agent initialization (System Agent module specific)

3B - Post-Memory PCH initialization is started

3C - Post-Memory PCH initialization (PCH module specific)

3D - Post-Memory PCH initialization (PCH module specific)

3E - Post-Memory PCH initialization (PCH module specific)

3F - OEM post memory initialization codes

40 - OEM post memory initialization codes

41 - OEM post memory initialization codes

42 - OEM post memory initialization codes

43 - OEM post memory initialization codes

44 - OEM post memory initialization codes

45 - OEM post memory initialization codes

46 - OEM post memory initialization codes

47 - OEM post memory initialization codes

48 - OEM post memory initialization codes

49 - OEM post memory initialization codes

4A - OEM post memory initialization codes

4B - OEM post memory initialization codes

4C - OEM post memory initialization codes

4D - OEM post memory initialization codes

4E - OEM post memory initialization codes

4F - DXE IPL is started

=== PEI Error Codes ===
50 - Memory initialization error. Invalid memory type or incompatible memory speed

51 - Memory initialization error. SPD reading has failed

52 - Memory initialization error. Invalid memory size or memory modules do not match

53 - Memory initialization error. No usable memory detected

54 - Unspecifi ed memory initialization error

55 - Memory not installed

56 - Invalid CPU type or Speed

57 - CPU mismatch

58 - CPU self [[test]] failed or possible CPU cache error

59 - CPU micro-code is not found or micro-code update is failed

5A - Internal CPU error

5B - reset PPI is not available

5C - Reserved for future AMI error codes

5D - Reserved for future AMI error codes

5E - Reserved for future AMI error codes

5F - Reserved for future AMI error codes

=== DXE Phase ===
60 - DXE Core is started

61 - NVRAM initialization

62 - Installation of the PCH Runtime Services

63 - CPU DXE initialization is started

64 - CPU DXE initialization (CPU module specific)

65 - CPU DXE initialization (CPU module specific)

66 - CPU DXE initialization (CPU module specific)

67 - CPU DXE initialization (CPU module specific)

68 - PCI host bridge initialization

69 - System Agent DXE initialization is started

6A - System Agent DXE SMM initialization is started

6B - System Agent DXE initialization (System Agent module specific)

6C - System Agent DXE initialization (System Agent module specific)

6D - System Agent DXE initialization (System Agent module specific)

6E - System Agent DXE initialization (System Agent module specific)

6F - System Agent DXE initialization (System Agent module specific)

70 - PCH DXE initialization is started

71 - PCH DXE SMM initialization is started

72 - PCH devices initialization

73 - PCH DXE Initialization (PCH module specific)

74 - PCH DXE Initialization (PCH module specific)

75 - PCH DXE Initialization (PCH module specific)

76 - PCH DXE Initialization (PCH module specific)

77 - PCH DXE Initialization (PCH module specific)

78 - ACPI module initialization

79 - CSM initialization

7A - Reserved for future AMI DXE codes

7B - Reserved for future AMI DXE codes

7C - Reserved for future AMI DXE codes

7D - Reserved for future AMI DXE codes

7E - Reserved for future AMI DXE codes

7F - Reserved for future AMI DXE codes

80 - OEM DXE initialization codes

81 - OEM DXE initialization codes

82 - OEM DXE initialization codes

83 - OEM DXE initialization codes

84 - OEM DXE initialization codes

85 - OEM DXE initialization codes

86 - OEM DXE initialization codes

87 - OEM DXE initialization codes

88 - OEM DXE initialization codes

89 - OEM DXE initialization codes

8A - OEM DXE initialization codes

8B - OEM DXE initialization codes

8C - OEM DXE initialization codes

8D - OEM DXE initialization codes

8E - OEM DXE initialization codes

8F - OEM DXE initialization codes

90 - Boot Device Selection (BDS) phase is started

91 - Driver connecting is started

92 - PCI Bus initialization is started

93 - PCI Bus Hot Plug Controller Initialization

94 - PCI Bus Enumeration 32

95 - PCI Bus Request Resources

96 - PCI Bus Assign Resources

97 - Console Output devices connect

98 - Console input devices connect

99 - Super IO Initialization

9A - USB initialization is started

9B - USB Reset

9C - USB Detect

9D - USB Enable

9E - Reserved for future AMI codes

9F - Reserved for future AMI codes

A0 - IDE initialization is started

A1 - IDE Reset

A2 - IDE Detect

A3 - IDE Enable

A4 - SCSI initialization is started

A5 - SCSI Reset

A6 - SCSI Detect

A7 - SCSI Enable

A8 - Setup Verifying Password

A9 - Start of Setup

AA - Reserved for ASL (see ASL Status Codes section below)

AB - Setup Input Wait

AC - Reserved for ASL (see ASL Status Codes section below)

AD - Ready To Boot event

AE - Legacy Boot event

AF - Exit Boot Services event

B0 - Runtime Set Virtual Address MAP Begin

B1 - Runtime Set Virtual Address MAP End

B2 - Legacy Option ROM Initialization

B3 - System Reset

B4 - USB hot plug

B5 - PCI bus hot plug

B6 - Clean-up of NVRAM

B7 - Confi guration Reset (reset of NVRAM settings)

B8 - Reserved for future AMI codes

B9 - Reserved for future AMI codes

BA - Reserved for future AMI codes

BB - Reserved for future AMI codes

BC - Reserved for future AMI codes

BD - Reserved for future AMI codes

BE - Reserved for future AMI codes

BF - Reserved for future AMI codes

C0 - OEM BDS initialization codes

C1 - OEM BDS initialization codes

C2 - OEM BDS initialization codes

C3 - OEM BDS initialization codes

C4 - OEM BDS initialization codes

C5 - OEM BDS initialization codes

C6 - OEM BDS initialization codes

C7 - OEM BDS initialization codes

C8 - OEM BDS initialization codes

C9 - OEM BDS initialization codes

CA - OEM BDS initialization codes

CB - OEM BDS initialization codes

CC - OEM BDS initialization codes

CD - OEM BDS initialization codes

CE - OEM BDS initialization codes

CF - OEM BDS initialization codes

=== DXE Error Codes ===
D0 - CPU initialization error

D1 - System Agent initialization error

D2 - PCH initialization error

D3 - Some of the Architectural Protocols are not available

D4 - PCI resource allocation error. Out of Resources

D5 - No Space for Legacy Option ROM

D6 - No Console Output Devices are found

D7 - No Console Input Devices are found

D8 - Invalid password

D9 - Error loading Boot Option (LoadImage returned error)

DA - Boot Option is failed (StartImage returned error)

DB - Flash update is failed

DC - Reset protocol is not available

=== S3 Resume Progress Codes ===
E0 - S3 Resume is stared (S3 Resume PPI is called by the DXE IPL)

E1 - S3 Boot Script execution

E2 - Video repost

E3 - OS S3 wake vector call

E4 - Reserved for future AMI progress codes

E5 - Reserved for future AMI progress codes

E6 - Reserved for future AMI progress codes

E7 - Reserved for future AMI progress codes

S3 Resume Error Codes

E8 - S3 Resume Failed

E9 - S3 Resume PPI not Found

EA - S3 Resume Boot Script Error

EB - S3 OS Wake Error

EC - Reserved for future AMI error codes 31

ED - Reserved for future AMI error codes 31

EE - Reserved for future AMI error codes 31

EF - Reserved for future AMI error codes 31

=== Recovery Progress Codes ===
F0 - Recovery condition triggered by firmware (Auto recovery)

F1 - Recovery condition triggered by user (Forced recovery)

F2 - Recovery process started

F3 - Recovery fi rmware image is found

F4 - Recovery fi rmware image is loaded

F5 - Reserved for future AMI progress codes

F6 - Reserved for future AMI progress codes

F7 - Reserved for future AMI progress codes

=== Recovery Error Codes ===
F8 - Recovery PPI is not available

F9 - Recovery capsule is not found

FA - Invalid recovery capsule

FB - Reserved for future AMI error codes

FC - Reserved for future AMI error codes

FD - Reserved for future AMI error codes

FE - Reserved for future AMI error codes

FF - Reserved for future AMI error codes

=== ACPI/ASL Checkpoints ===
01 - System is entering S1 sleep state

02 - System is entering S2 sleep state

03 - System is entering S3 sleep state

04 - System is entering S4 sleep state

05 - System is entering S5 sleep state

10 - System is waking up from the S1 sleep state

20 - System is waking up from the S2 sleep state

30 - System is waking up from the S3 sleep state

40 - System is waking up from the S4 sleep state

AC - System has transitioned into ACPI mode. Interrupt controller is in APIC mode

AA - System has transitioned into ACPI mode. Interrupt controller is in APIC mode

== References ==
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