Acer Aspire ONE 722, Service Manual, Page: 151 / 222

Troubleshooting
4-27
PEI_ENTER_RECOVERY_MODE P EI 84 Recovery device Initialization
PEI_RECOVERY_MEDIA_FOUND P EI 85 Found Recovery image
PEI_RECOVERY_MEDIA_NOT_FOUND P EI 86 Recovery image not found
PEI_RECOVERY_LOAD_FILE_DONE P EI 8 7 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
* 3
rd
party relate functions – Platform dependence.
Table 4-5. DXE Phase POST Code Table
Functionality Name
(Include\PostCode.h)
Phase Post
Code
Description
DXE_TCGDXE* DXE 40 TPM initial in DXE
DXE_SB_SPI_INIT* DXE 41 South bridge SPI initialization
DXE_CF9_RESET* DXE 42 Setup Reset service
DXE_SB_SERIAL_GPIO_INIT* DXE 43 South bridge Serial GPIO
initialization
DXE_SMMACCESS* DXE 44 Setup SMM ACCE SS service
DXE_NB_INIT* DXE 45 North bridge Middle
initialization
DXE_SIO_INIT* DXE 46 Super I/O DXE initialization
DXE_LEGACY_REGION* DXE 47 Setup Legacy Region service
DXE_SB_INIT* DXE 48 South Bridge Middle
initialization
DXE_IDENTIFY_FLASH_DEVICE DXE 49 Identify Flash device
DXE_FTW_INIT DXE 4A Fault Tolerant Write
verification
DXE_VARIABLE_INIT DXE 4B Variable Service initialization
DXE_VARIABLE_INIT_FAIL DXE 4C Fail to initial Variable Service
DXE_MTC_INIT D XE 4D MTC Initial
DXE_CPU_INIT DXE 4E CPU Middle Initialization
Table 4-4. PEI Phase POST Code Table (Continued)
Functionality Name
(Include\PostCode.h)
Phase Post
Code
Description