Acer Aspire S3-391 Service Manual page 158

Table 4-4. Component Codes
Range Description
0xe0-0xff These are not components, but rather represent Architectural Progress
Codes or Error Codes detailing milestones in the system boot progress.
The corresponding Progress Code value is always set to zero.
POSTCODE_PC_SEC_ENTRY (0xe0) - Reset vector.
POSTCODE_PC_SEC_EXIT (0xe1) - Leaving SEC/Going to PEI.
POSTCODE_PC_PEI_ENTRY (0xe2) - Entering PEI Dispatch.
POSTCODE_PC_PEI_EXIT (0xe3) - Exiting PEI Dispatch.
POSTCODE_PC_IPL_DXE (0xe4) - Entering DXE IPL's normal boot
path.
POSTCODE_PC_IPL_S3 (0xe5) - Entering DXE IPL's S3 boot path.
POSTCODE_PC_S3_OS (0xe6) - Exiting S3 boot path back to the OS.
POSTCODE_PC_IPL_RECOVERY (0xe7) - Entering DXE IPL's
recovery boot path.
POSTCODE_PC_IPL_EXIT (0xe8)
POSTCODE_PC_DXE_ENTRY (0xe9) - Entering DXE Dispatch.
POSTCODE_PC_DXE_EXIT (0xea) - Exiting DXE Dispatch.
POSTCODE_EC_PEI_MEMORY (0xeb) - No permanent memory found
at the end of PEI.
POSTCODE_EC_PEI_IPL (0xec) - No DXE IPL found at the end of PEI.
POSTCODE_EC_IPL_DXE (0xed) - No DXE found at end of DXE IPL.
POSTCODE_EC_IPL_PPI (0xee) - Couldn't find PPIs needed by DXE.
POSTCODE_EC_DXE_ARCH (0xef) - Missing one or more
architectural protocols at the end of DXE.
4-28 Troubleshooting