Acer Altos R310 Service Manual page 64

Checkpoint Code
91h
92h
93h
95h
96h
97h
98h
99h
9Ah
9Ch
9Dh
9Eh
9Fh
A0h
A2h
A4h
A8h
AAh
ACh
AEh
Chapter 4
Beep Code
Configure the local bus IDE timing register based on
the drives attached to it.
Jump to UserPatch2.
Build MPTABLE for multi-processor boards.
1. Check CMOS for CD-ROM drive present
2. Activate the drive by checking for media present
3. Check sector 11h (17) for Boot Record Volume
Descriptor
4. Check the boot catalog for validity
5. Pick a boot entry
6. Create a Specification Packet
Reset segment-register addressibility from4GB to
normal 64K by generating a Shut down 8.
Create pointer to MP table in Extended BDA.
1-2 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 boundry, looking
foradd on cards that need initialization.
Check support status for Self-Monitoring Analysis
Reporting Technology (disk-failure warning).
Shadow miscellaneous ROMs if specified bySetup
and CMOS is valid and the previous boot was OK.
Set up Power Management. Initiate power
management state machine.
Initialize Security Engine.
Enable hardware interrupts.
Check the total number of Fast Disks (ATA and
SCSI) and update the bdaFdiskCount.
Verify that the system clock is interrupting.
Setup Numlock indicator. Display a message if key
switch is locked.
Initialize the typematic rate.
Overwrite the "Press F2 for Setup" prompt with
spaces, erasing it from the screen.
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.
Enter SETUP
If (F2 was pressed) go to SETUP
Else if (errors were found)
display "Press F1 or F2" prompt
if (F2 is pressed) go to setup
else if (F1 is pressed)
boot
Else boot
Clear ConfigFailedBit and InPostBit in CMOS.
Description
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