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Troubleshooting 4-21
#define PEI_SMBUS_INIT 0x79 SMBUS Early Initial
#define PEI_PROGRAM_CLOCK_GEN 0x7A Clock Generator Initial
#define PEI_IGD_EARLY_INITIAL 0x7B Internal Graphic device early initial,
PEI_IGDOpRegion
#define PEI_HECI_INIT 0x7C HECI Initial
#define PEI_WATCHDOG_INIT 0x7D Watchdog timer initial
#define PEI_MEMORY_INIT 0x7E Memory Initial for Normal boot
#define
PEI_MEMORY_INIT_FOR_CRISIS
0x7F Memory Initial for Crisis Recovery
#define PEI_MEMORY_INSTALL 0x80 Simple Memory test
#define PEI_TXTPEI 0x81 TXT function early initial
#define PEI_SWITCH_STACK 0x82 Start to use Memory
#define PEI_MEMORY_CALLBACK 0x83 Set cache for physical memory
#define PEI_ENTER_RECOVERY_MODE 0x84 Recovery device initial
#define
PEI_RECOVERY_MEDIA_FOUND
0x85 Found Recovery image
#define
PEI_RECOVERY_MEDIA_NOT_FOUND
0x86 Recovery image not found
#define
PEI_RECOVERY_LOAD_FILE_DONE
0x87 Load Recovery Image complete
#define PEI_RECOVERY_START_FLASH 0x88 Start Flash BIOS with Recovery image
#define PEI_ENTER_DXEIPL 0x89 Loading BIOS image to RAM
#define PEI_FINDING_DXE_CORE 0x8A Loading DXE core
#define PEI_GO_TO_DXE_CORE 0x8B Enter DXE core
#define PEI_IFFS_TRANSITION_START 0x8C iFFS Transition Start
#define PEI_IFFS_TRANSITION_END 0x8D iFFS Transition End
Table 4-3. PEI Functionality (Continued)
Definition Code Description