Error Messages and Indicators
77
POST Code Description
CPU Initialization (PEI, DXE, SMM)
41-43 Begin to end CPU PEI init
44-46 Begin to end CPU SMM init/relocate bases
47-4C CPU DXE phase begin to end
4D-4F CPU DXE SMM phase begin to end
I/O Buses
50-52 PCI enumeration, allocation, hot plug
58, 59 Resetting USB bus
5A, 5B Resetting SATA bus and all devices
5F Unrecoverable error, start with PIC
Boot Device Selection (BDS)
60-6F BDS driver entry
E4 Entered DXE phase
E7 Waiting for user input
E8 Checking password
E9 Entering BIOS setup
EB Calling legacy option ROMs
Keyboard/Mouse (PS/2 or USB)
90-95 Keyboard initialization
98-9B Mouse initialization
Fixed Media
B0-BF Detecting and initializing fixed media
Runtime Phase/EFI Operating System Boot
F8 EFI boot service ExitBootServices
F9 EFI runtime service SetVirtualAddressMap
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