MSI Z77 User Guide - Page 49
Debug LED Panel
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Chapter 1 MS-7751 Debug LED Panel Please refer to the table below to get more information about the Debug 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 97,98,99,B2,D5~D7 Console Output/Input devices/Console initialization and Load Option ROM (VGA, RAID, parallel ports, serial ports......) 9A~A7,B4 A8,A9,AB AD/AE System Temperature Onboard devices Initialize and Detect (USB/ SATA/ SCSI......) Start of Setup. BIOS setup if needed/ requested. Ready To Boot event/Legacy Boot event Enter OS (Windows® 7 or Windows® XP). 1-37