![](/images/new-backgrounds/1319060/319060105x1.webp)
Debug Code LED![](/images/new-backgrounds/1319060/319060105xi2.webp)
Table
Please refer to the table below to get more information about the Debug Code LED message.
Post | Status | |
02,07 | Power on CPU Initialization | |
03,08 | Power on North Bridge Initialization | |
04,09 | Power on South Bridge Initialization | |
0B | Power on Cache Initialization | |
11~14,32~36,56~5A | Early CPU Initialization | |
15~18,37~3A | Early North Bridge Initialization | |
19~1C,3B~3E | Early South Bridge Initialization | |
1D~2F,31,3F~4E,50~55 | Early Memory Initialization | |
63~67,D0 | Late CPU Initialization | |
69~6F,D1 | Late North Bridge Initialization | |
70~77,D2 | Late South Bridge Initialization | |
92~96,B5,D4 | PCI bus Initialization | |
| Console Output/Input devices/Console initialization and | |
97,98,99,B2,D5~D7 | Load Option ROM (VGA, RAID, parallel ports, serial | |
| ports……) | |
9A~A7,B4 | Onboard devices Initialize and Detect (USB/ SATA/ | |
SCSI……) | ||
| ||
A8,A9,AB | Start of Setup. BIOS setup if needed/ requested. | |
AD/AE | Ready To Boot event/Legacy Boot event |
Chapter 1
Getting Started |