2.14 Dr. Debug
Dr. Debug is used to provide code information, which makes troubleshooting even
easier. Please see the diagrams below for reading the Dr. Debug codes.
Status Code
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0A
0x0B
0x0C – 0x0D
0x0E
0x0F
0x10
0x11
0x12
0x13
0x14
0x15
0x16
0x17
0x18
0x19
0x1A
0x1B
0x1C
0x1D – 0x2A
0x2B
0x2C
0x2D
0x2E
0x2F
0x30
0x31
0x32
0x33
0x34
0x35
0x36
46
Description
Not used
Power on. Reset type detection (soft/hard)
AP initialization before microcode loading
North Bridge initialization before microcode loading
South Bridge initialization before microcode loading
OEM initialization before microcode loading
Microcode loading
AP initialization after microcode loading
North Bridge initialization after microcode loading
South Bridge initialization after microcode loading
OEM initialization after microcode loading
Cache initialization
Reserved for future AMI SEC error codes
Microcode not found
Microcode not loaded
PEI Core is started
Pre-memory CPU initialization is started
Pre-memory CPU initialization (CPU module specific)
Pre-memory CPU initialization (CPU module specific)
Pre-memory CPU initialization (CPU module specific)
Pre-memory North Bridge initialization is started
Pre-Memory North Bridge initialization (North Bridge module specific)
Pre-Memory North Bridge initialization (North Bridge module specific)
Pre-Memory North Bridge initialization (North Bridge module specific)
Pre-memory South Bridge initialization is started
Pre-memory South Bridge initialization (South Bridge module specific)
Pre-memory South Bridge initialization (South Bridge module specific)
Pre-memory South Bridge initialization (South Bridge module specific)
OEM pre-memory initialization codes
Memory initialization. Serial Presence Detect (SPD) data reading
Memory initialization. Memory presence detection
Memory initialization. Programming memory timing information
Memory initialization. Configuring memory
Memory initialization (other)
Reserved for ASL
Memory Installed
CPU post-memory initialization is started
CPU post-memory initialization. Cache initialization
CPU post-memory initialization. Application Processor(s) (AP) initialization
CPU post-memory initialization. Boot Strap Processor (BSP) selection
CPU post-memory initialization. System Management Mode (SMM)
initialization
ASRock Z77 OC Formula Motherboard