Gigabyte GA-P55-UD6 Manual - Page 126

POST (hex) 59h 5Dh 60h 63h 65h 67h 69h 6Bh 6Dh 6Fh 75h 77h 7Ah 7Ch 7Fh 82h 83h 84h 85h 87h 89h 8Bh 8Dh 8Fh 93h Description Initialize the combined Trend Anti-Virus code 1. Initialize Init_Onboard_Super_IO 2. Initialize Init_Onbaord_AUDIO Okay to enter Setup utility; i.e. not until this POST stage can users enter the CMOS setup utility Reset keyboard is Early_Reset_KB is not defined Initialize PS/2 Mouse Prepare memory size information for function call: INT 15h ax=E820h Turn on L2 cache Program chipset registers according to items described in Setup & Auto-configuration table 1. Assign resources to all ISA PnP devices 2. Auto assign ports to onboard COM ports if the corresponding item in Setup is set to "AUTO" 1. Initialize floppy controller 2. Set up floppy related fields in 40:hardware Detect & install all IDE devices: HDD, LS120, ZIP, CDROM... Detect serial ports & parallel ports Detect & install co-processor Init HDD write protect 1. Switch back to text mode if full screen logo is supported - If errors occur, report errors & wait for keys - If no errors occur or F1 key is pressed to continue: 2. Clear EPA or customization logo 1. Call chipset power management hook 2. Recover the text fond used by EPA logo (not for full screen logo) 3. If password is set, ask for password Save all data in stack back to CMOS Initialize ISA PnP boot devices 1. USB final Initialization 2. Switch screen back to text mode NET PC: Build SYSID structure 1. Assign IRQs to PCI devices 2. Set up ACPI table at top of the memory 1. Invoke all ISA adapter ROMs 2. Invoke all PCI ROMs (except VGA) 1. Enable/Disable Parity Check according to CMOS setup 2. APM initialization Clear noise of IRQs Read HDD boot sector information for Trend Anti-Virus code Appendix - 126 -