Acer Aspire 6930 Series Service Manual page 155

POST
Code
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.
0x98 Search for option ROMs. Rom scan the area from C800h for a
length of BCP_ROM_Scan_Size (or to E000h by default) on
every 2K boundary, looking for add on cards that need
initialization.
0x93 Build the MPTABLE for multi-processor boards
0xD9 IPMI late init
0x9C Set up Power Management. Initiate power -management state
machine.
0xC7 Late note dock init
0x9E Enable hardware interrupts
0xA0 Setup time tick for current date/time
0xA2 Setup Numlock indicator. Display a message if key switch is
locked.
0xA4 Initialize typematic rate
0xDB StrongROM Test
0xE2 OEM security key test
0xC2 Write PEM errors.
0xBA Initialize the SMBIOS header and sub-structures.
0xC3 Display PEM errors.
0xA8 Overwrite the "Press F2 for Setup" prompt with spaces,
erasing it from the screen.
0xAA Scan the key buffer to see if the F2 key was struck after
keyboard interrupts were enabled. If an F2 keystroke is found,
set a flag.
0xE1 Start Periodic Timer (TC Subscribe)
0xAC Check if "Enter SETUP" is pressed.
0x8F Count the number of ATA drives in the system and update the
number in bdaFdiskcount.
0x91 Configure the local bus IDE timing register based on the drives
attached to it.
0x9F Check the total number of Fast Disks (ATA and SCSI) and
update the bdaFdiskCount.
0xD7 Check if FirstWare HPA exists
0xAE Clear ConfigFailedBit and InPostBit in CMOS.
0xB0 Check for errors and decide if needs to run Setup.
0xB2 Change status bits in CMOS and/or the TrustedCore data area
to reflect the fact that POST is complete.
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
Chapter 4
Function Phase Component
LBT Core
LBT Core
LBT Core
LBT Core
LBT Core
LBT Core
LBT Core
LBT Core
LBT Core
LBT Core
LBT Core
LBT Core
LBT Core
LBT Core
LBT Core
LBT Core
LBT Core
LBT Core
LBT Core
LBT Core
LBT Core
LBT Core
LBT Core
LBT Core
LBT Core
LBT Core
LBT Core
LBT Core 16
LBT Core
LBT Core
LBT Core
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