Acer Aspire Z3801 Acer Aspire Z3801 Desktop Service Guide - Page 137

BIOS 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 Reserved 0xD8 - 0xE0 0xE5 - 0xF8 Table 4-3. SEC Phase POST Code Table Functionality Name (Include\PostCode.h) Phase Post Code Description SEC_SYSTEM_POWER_ON SEC 1 CPU power on and switch to Protected mode SEC_BEFORE_MICROCODE_PATCH SEC 2 Patching CPU microcode SEC_AFTER_MICROCODE_PATCH SEC 3 Setup Cache as RAM SEC_SETUP_CAR_OK SEC 7 Cache as RAM test SEC_GO_TO_SECSTARTUP SEC 9 Setup BIOS ROM cache SEC_GO_TO_PEICORE SEC 0A Enter Boot Firmware Volume Table 4-4. PEI Phase POST Code Table Functionality Name (Include\PostCode.h) Phase Post Code Description PEI_SIO_INIT PEI 70 Super I/O Initialization PEI_CPU_REG_INIT PEI 71 CPU Early Initialization Troubleshooting 4-17