Phoenix Bios Beep Codes - Acer TravelMate 6460 Service Manual

Phoenix BIOS Beep Codes

Beep Code
1-1-1-3 02h
1-1-2-1 04h
1-1-2-3 06h
1-1-3-1 08h
1-1-3-2 09h
1-1-3-3 0Ah
1-1-4-1 0Ch
1-1-4-3 0Eh
1-2-1-1 10h
1-2-1-2 11h
1-2-1-3 12h
1-2-2-1 14h
1-2-2-3 16h
1-2-3-1 18h
1-2-3-3 1Ah
1-2-4-1 1Ch
1-3-1-1 20h
82
Post Code
Verify Real Mode.
Get CPU type.
Initialize system hardware.
Initialize cache to initial
POST values.
Set in POST flag.
Initialize CPU registers.
Initialize cache to initial
POST values.
Initialize I/O.
Initialize Power
Management.
Load alternate registers
with initial POST values.
Jump to UserPatch0.
Initialize keyboard
controller.
BIOS ROM checksum.
8254 timer initialization.
8237 DMA controller
initialization
Reset Programmable
Interrupt Controller
Test DRAM refresh.
Description
• Check the processor.
• Check the main board.
• Check the processor.
• Check the main board.
• Check the main board.
• Check the main board.
• Check the main board.
• Check the processor.
• Check the main board.
• Check the secondary cache.
• Check the processor.
• Check the main board.
• Make sure all the cards are securely
• Make sure that there are no physical
• Disable all shadowing of expansion
• Remove all unnecessary expansion
• Check the main board.
• Check the main board.
• Check the main board.
• Check the keyboard.
• Check the keyboard controller.
• Check the main board.
• Check the main board.
• Check the main board.
• Treat as an expansion card problem.
• Check the main board.
• Treat as an expansion card problem.
• Check the main board.
• Check the system memory.
• Check the main board.
What to Check (Recommended)
inserted into the system.
problems with the main board or
internal connections.
adapter ROMs and see if that fixes the
problem.
cards (basically, everything but the
video card) and see if the problem
goes away. If it does, the problem is
probably one of the expansion cards
you removed. If not, your problem lies
elsewhere. Try to isolate the problem
by inserting one expansion card at a
time back into the system and seeing
which on e triggers the problem.
Chapter 4