54 Chapter 45Dh 1. Initialize Init_Onboard_Super_IO switch.2. Initialize Init_Onboard_AUDIO switch.5Eh Reserved5Fh Reserved60h Okay to enter Setup utility; i.e. not until this POST stage can users enter theCMOS setup utility.61h Reserved62h Reserved63h Reserved64h Reserved65h Initialize PS/2 Mouse66h Reserved67h Prepare memory size information for function call:INT 15h ax=E820h68h Reserved69h Turn on L2 cache6Ah Reserved6Bh Program chipset registers according to items described in Setup& Auto-configuration table.6Ch Reserved6Dh 1. Assign resources to all ISA PnP devices.2. Auto assign ports to onboard COM ports if the corresponding item in Setup isset to“AUTO”6Eh Reserved6Fh 1. Initialize floppy controller2. Set up floppy related fields in 40: hardware.70h Reserved71h Reserved72h Reserved73h (Optional Feature)Enter AWDFLASH.EXE if:-AWDFLASH is found in floppy drive-ALT+F2 is pressed74h Reserved75h Detect & install all IDE devices: HDD, LS120, ZIP,CDROM.....76h Reserved77h Detect serial ports & parallel ports78h Reserved79h Reserved7Ah Detect & install co-processor7Bh Reserved7Ch Reserved7Dh Reserved.Checkpoint Description