Intel DZ68BC Product Guide - Page 75

Table 21., Port 80h POST Codes, Runtime Phase/EFI Operating System Boot - fix

Page 75 highlights

Error Messages and Indicators Table 21. Port 80h POST Codes (continued) 41-43 44-46 47-4C 4D-4F CPU Initialization (PEI, DXE, SMM) Begin to end CPU PEI init Begin to end CPU SMM init/relocate bases CPU DXE phase begin to end CPU DXE SMM phase begin to end 50-52 58, 59 5A, 5B 5F I/O Buses PCI enumeration, allocation, hot plug Resetting USB bus Resetting SATA bus and all devices Unrecoverable error, start with PIC 60-6F E4 E7 E8 E9 EB Boot Device Selection (BDS) BDS driver entry Entered DXE phase Waiting for user input Checking password Entering BIOS setup Calling legacy option ROMs 90-95 98-9B Keyboard/Mouse (PS/2 or USB) Keyboard initialization Mouse initialization B0-BF Fixed Media Detecting and initializing fixed media Runtime Phase/EFI Operating System Boot F8 EFI boot service ExitBootServices F9 EFI runtime service SetVirtualAddressMap 75

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Error Messages and Indicators
75
Table 21.
Port 80h POST Codes
(continued)
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