Acer Ferrari 1000 Series Service Manual - page 102
Chapter 4
92
3-2-1-1
90h
Initialize hard disk
controller.
•
Check the HDD.
•
Check the floppy disk drive(s).
•
Check the main board.
3-2-1-2
91h
Initialize local bus hard
disk controller.
•
Check the HDD.
•
Check the floppy disk drive(s).
•
Check the main board.
3-2-1-3
92h
Jump to UserPatch2.
•
Check the main board.
3-2-2-1
94h
Disable A20 address line.
•
Check the keyboard.
•
Check keyboard controller.
•
Check the main board.
3-2-2-3
96h
Clear huge ES segment
register.
•
Check the main board.
3-2-3-1
98h
Search for option ROMs.
•
Check the main board.
3-2-3-3
9Ah
Shadow for option
ROMs.
•
Check the expansion cards.
•
Check the system memory.
•
Check the main board.
3-2-4-1
9Ch
Set up Power
Management.
•
Check the main board.
3-2-4-3
9Eh
Enable hardware
interrupts.
•
Treat as an expansion card problem.
•
Check the main board.
3-3-1-1
A0h
Set time of day.
•
Check the main board.
3-3-1-3
A2h
Check key lock.
•
Unlock the key lock if it is locked.
•
Investigate possible problem with
the key lock switch. If it is either
unlocked already or not present on
the system case.
•
Check the main board.
3-3-3-1
A8h
Erase F2 prompt.
•
Check the video card.
•
Check the main board.
3-3-3-3
AAh
Scan for F2 key stroke.
•
Check the main board.
3-3-4-1
ACh
Enter SETUP.
•
Check the main board.
3-3-4-3
AEh
Clear in-POST flag.
•
Check the main board.
3-4-1-1
B0h
Check for errors.
•
Check the main board.
3-4-1-3
B2h
POST done - prepare to
boot operating system.
•
Check the main board.
3-4-2-1
B4h
One beep.
•
Check the main board.
3-4-2-3
B6h
Check password
(optional).
•
Check the main board.
3-4-3-1
B8h
Clear global descriptor
table.
•
Check the main board.
3-4-4-1
BCh
Clear parity checkers.
•
Check the main board.
3-4-4-3
BEh
Clear screen (optional).
•
Check the video card.
•
Check the main board.
3-4-4-4
BFh
Check virus and backup
reminders.
•
Check the main board.
Beep Code
Post Code
Description
What to Check (Recommended)