Acer Aspire 4743Z Aspire 4743 and 4743Z Notebook Series Service Guide - Page 206

Table 4-4. POST Codes POST Code Function 0xB5 Fade out OEM Logo or post string 0xC5 End hotkey detection (Server BIOS) 0xBE If BCP option is enabled, clear the screen before booting. 0xB6 If password on boot is enabled, a call is made to Setup to check password. If the user does not enter a valid password, Setup does not return. 0xBC Clear parity-error latch 0xB7 Initialize ACPI BIOS. 0x9B Enable CPU management (Geyserville I) 0xBD Display Boot First menu if MultiBoot is installed and hotkey pressed. 0xBF Check virus and backup reminders. 0x97 Create pointer to MP table in Extended BDA. 0x99 Check support status for Self-Monitoring Analysis Reporting Technology (disk-failure warning). 0xB1 Unload ROM Pilot 0xDD Perform remote flash if requested 0xC7 If UCR redirection is installed, remove display manager and unhookINT10 0XDF Shutdown the PXE UNDI code 0xB3 Store enhanced CMOS values in non-volatile area 0xE4 Last Legacy BIOS Task before hand off to UEFI/DXE 0xB9 Clear all screen graphics before booting. 0xC0 INT19 entry for legacy boot Phase Component 4-32 Troubleshooting