Troubleshooting
4-17
Post Codes
0
The following are the InsydeH2O™ Functionality POST code tables. The components of
the POST code table includes: SEC phase, PEI phase, DXE phase, BDS phase, CSM
functions, S3 functions and ACPI functions.
Table 4-2.
POST Code Range
Phase
POST Code Range
SEC 0x01
-
0x0F
PEI 0x70
-
0x9F
DXE 0x40
-
0x6F
BDS 0x10
-
0x3F
SMM 0xA0
-
0xBF
S3
0xC0 - 0xCF
ASL 0x51
–
0x55
0xE1 – 0xE4
PostBDS 0xF9
–
0xFE
InsydeH2ODDT™ Reserve
0xD0 – 0xD7
OEM Reserve
0xE8 – 0xEB
Reserved 0xD8
–
0xE0
0xE5 – 0xE7
0xEC – 0xF8
Table 4-3.
SEC Phase POST Code Table
Functionality Name (Include\
PostCode.h)
Phase
PostCod
e
Description
SEC_SYSTEM_POWER_ON
SEC
01
CPU power on and switch to
Protected mode
SEC_BEFORE_MICROCODE_PATCH SEC
02
Patching CPU microcode
SEC_AFTER_MICROCODE_PATCH
SEC
03
Setup Cache as RAM
SEC_ACCESS_CSR*
SEC
04
PCIE MMIO Base Address initial
SEC_GENERIC_MSRINIT*
SEC
05
CPU Generic MSR initialization
SEC_CPU_SPEEDCFG*
SEC
06
Setup CPU speed
SEC_SETUP_CAR_OK
SEC
07
Cache as RAM test
SEC_FORCE_MAX_RATIO*
SEC
08
Tune CPU frequency ratio to
maximum level
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