ASRock > Debug LED Troubleshooting Checklist

Debug LED Troubleshooting Checklist Go Back↩

The codes that you see are status codes. It is normal to see several codes during the POST.

If the system always freezes at a specific code, this code can be used for troubleshooting.

AMD Intel

Related Device	CPU	Memory	Graphic Card	Boot up / External device
00, 19, 30, 40, 55	V	V	V
B0, 99, 15, 53	V	V
F9		V
D6		V	V
A0, A2, B2				V

A9, AB → Boot into the BIOS

AA → Boot into the operating system

SEC Progress Codes
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
06	Microcode loading
07	AP initialization after microcode loading
08	System Agent initialization after microcode loading
09	PCH initialization after microcode loading
0B	Cache initialization


SEC Error Codes
0C-0D	Reserved for future AMI SEC error codes
0E	Microcode not found
0F	Microcode not loaded

PEI Progress Codes
10	PEl Core is started
11	Pre-memory CPU initialization is started
12-14	Pre-memory CPU initialization(CPU module specific)
15	Pre-memory System Agent initialization is started
16-18	Pre-Memory System Agent initialization(System Agent module specific)
19	Pre-memory PCH initialization is started
1A-1C	Pre-memory PCH initialization(PCH module specific)
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.Configuring memory
2F	Memory initialization (other)
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
38-3A	Post-Memory System Agent initialization(System Agent module specific)
3B	Post-Memory PCH initialization is started
3C-3E	Post-Memory PCH initialization (PCH module specific)
4F	DXE IPL is started
5B	Reset PPI is not available
5C-5F	Reserved for future AMI error codes

PEl 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	Unspecified 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-5F	Reserved for future AMI error codes

DXE Progress Codes
60	DXE Core is started
61	NVRAM initialization
62	Installation of the PCH Runtime Services
63	CPU DXE initialization is started
64-67	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-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
73-77	PCH DXE Initialization(PCH module specific)
78	ACPI module initialization
79	CSM initialization
7A-7F	Reserved for future AMI DXE 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 10 Initialization
9A	USB initialization is started
9B	USB Reset
9C	USB Detect
9D	USB Enable
9E-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
AB	Setup Input Wait
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	Configuration Reset (reset of NVRAM settings)
B8-BF	Reserved for future AMI codes

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-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-EF	Reserved for future AMI error codes

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 firmware image is found
F4	Recovery firmware image is loaded
F5-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-FF	Reserved for future AMI error codes