Acer Aspire E1-421 Acer Aspire E1-421 Notebook Service Guide - Page 184

Table 4-6. (Continued)BDS Phase POST Code Table Functionality Name (Include\ PostCode.h) Phase Post Code BDS_CONNECT_USB_HC BDS 19 BDS_CONNECT_USB_BUS BDS_CONNECT_USB_DEVICE BDS 1A BDS 1B BDS_NO_CONSOLE_ACTION BDS_DISPLAY_LOGO_SYSTEM_INFO BDS 1C BDS 1D BDS_START_IDE_CONTROLLER BDS 1E BDS_START_SATA_CONTROLLER BDS 1F BDS_START_ISA_ACPI_CONTROLLER BDS 20 BDS_START_ISA_BUS BDS 21 BDS_START_ISA_FDD BDS 22 BDS_START_ISA_SEIRAL BDS 23 BDS_START_IDE_BUS BDS 24 BDS_START_AHCI_BUS BDS 25 BDS_CONNECT_LEGACY_ROM BDS 26 BDS_ENUMERATE_ALL_BOOT_OPTION BDS 27 BDS_END_OF_BOOT_SELECTION BDS 28 BDS_ENTER_SETUP BDS 29 BDS_ENTER_BOOT_MANAGER BDS 2A BDS_BOOT_DEVICE_SELECT BDS 2B BDS_EFI64_SHADOW_ALL_LEGACY_ROM BDS 2C BDS_ACPI_S3SAVE BDS 2D BDS_READY_TO_BOOT_EVENT BDS 2E BDS_GO_LEGACY_BOOT BDS_GO_UEFI_BOOT BDS_LEGACY16_PREPARE_TO_BOOT BDS_EXIT_BOOT_SERVICES* BDS 2F BDS 30 BDS 31 BDS 32 BDS_LEGACY_BOOT_EVENT BDS 33 Description USB host controller initialization USB BUS driver initialization USB device driver initialization Console device initial fail Display logo or system information IDE controller initialization SATA controller initialization SIO controller initialization ISA BUS driver initialization Floppy device initialization Serial device initialization IDE device initialization AHCI device initialization Dispatch option ROMs Get boot device information End of boot selection Enter Setup Menu Enter Boot manager Try to boot system to OS Shadow Misc Option ROM Save S3 resume required data in RAM Last Chipset initial before boot to OS Start to boot Legacy OS Start to boot UEFI OS Prepare to Boot to Legacy OS Send END of POST Message to ME via HECI Last Chipset initial before boot to Legacy OS. 4-20 Troubleshooting