4-18 Troubleshooting
PEI_CPU_AP_INIT PEI 72 Multi-processor Early Initial
PEI_CPU_HT_RESET PEI 73 HyperTransport Initialization
PEI_PCIE_MMIO_INIT PEI 74 PCIE MMIO BAR Initialization
PEI_NB_REG_INIT PEI 75 North Bridge Early
Initialization
PEI_SB_REG_INIT PEI 76 South Bridge Early
Initialization
PEI_PCIE_TRAINING PEI 77 PCIE Training
PEI_TPM_INIT PEI 78 TPM Initialization
PEI_SMBUS_INIT PEI 79 SMBUS Early Initialization
PEI_PROGRAM_CLOCK_GEN PEI 7A Clock Generator Initialization
PEI_MEMORY_INIT PEI 7E Memory Initial for Normal
boot.
PEI_MEMORY_INIT_FOR_CRISIS PEI 7F Memory Initial for Crisis
Recovery
PEI_MEMORY_INSTALL PEI 80 Simple Memory test
PEI_SWITCH_STACK PEI 82 Start to use Memory
PEI_MEMORY_CALLBACK PEI 83 Set cache for physical
memory
PEI_ENTER_RECOVERY_MODE PEI 84 Recovery device Initialization
PEI_RECOVERY_MEDIA_FOUND PEI 85 Found Recovery image
PEI_RECOVERY_MEDIA_NOT_FOUND PEI 86 Recovery image not found
PEI_RECOVERY_LOAD_FILE_DONE PEI 87 Load Recovery Image
completed
PEI_RECOVERY_START_FLASH PEI 88 Start Flash BIOS with
Recovery image
PEI_ENTER_DXEIPL PEI 89 Loading BIOS image to RAM
PEI_FINDING_DXE_CORE PEI 8A Loading DXE core
PEI_GO_TO_DXE_CORE PEI 8B Enter DXE core
Table 4-4. PEI Phase POST Code Table (Continued)
Functionality Name (Include\PostCode.h) Phase Post
Code
Description
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