Acer TravelMate 6460 Service Manual page 90

Beep Code
2-1-3-2 49h
2-1-3-3 4Ah
2-1-4-1 4Ch
2-1-4-3 4Eh
2-2-1-1 50h
2-2-1-3 52h
2-2-2-1 54h
2-2-2-3 56h
2-2-3-1 58h
2-2-3-3 5Ah
2-2-4-1 5Ch
2-3-1-1 60h
2-3-1-3 62h
2-3-2-1 64h
2-3-2-3 66h
2-3-3-1 68h
2-3-3-2 69h
2-3-3-3 6Ah
2-3-4-1 6Ch
2-3-4-3 6Eh
84
Post Code
Initialize PCI bus and
devices.
Initialize all video adapters
in system.
Shadow video BIOS ROM.
Display copyright notice.
Display CPU type and
speed.
Test keyboard.
Set key click if enabled.
Enable keyboard.
Test for unexpected
interrupts.
Display prompt "Press F2
to enter SETUP".
Test RAM between 512
and 640K.
Test expanded memory.
Test extended memory
address lines.
Jump to UserPatch1.
Configure advanced cache
registers.
Enable external and CPU
caches.
Initialize SMI handler.
Display external cache
size.
Display shadow message.
Display non-disposable
segments.
Description
• Treat as an expansion card problem.
• Check the serial port(s).
• Check the parallel port(s).
• Check the main board.
• Check the video card.
• Make sure the system memory is
• Check the expansion cards.
• Check the system memory.
• Check the main board.
• Check the video card.
• Check the main board.
• Check the video card.
• Check the keyboard.
• Check the keyboard controller.
• Check the main board.
• Check the keyboard.
• Check the keyboard controller.
• Check the main board.
• Check the keyboard.
• Check the keyboard controller.
• Check the main board.
• Treat as an expansion card problem.
• Check the main board.
• Check the video card.
• Check the main board.
• Check the system memory.
• Check the main board.
• Check the system memory.
• Check the main board.
• Check the system memory.
• Check the main board.
• Check the main board.
• Check the secondary cache.
• Check the processor.
• Check the main board.
• Check the secondary cache.
• Check the processor.
• Check the main board.
• Check the main board.
• Check the video card.
• Check the main board.
• Check the video card.
• Check the main board.
• Check the video card.
• Check the main board.
What to Check (Recommended)
working properly.
Chapter 4