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82 Chapter 4
Phoenix BIOS Beep Codes
Beep Code Post Code Description What to Check (Recommended)
1-1-1-3 02h Verify Real Mode. • Check the processor.
• Check the main board.
1-1-2-1 04h Get CPU type. • Check the processor.
• Check the main board.
1-1-2-3 06h Initialize system hardware. • Check the main board.
1-1-3-1 08h Initialize cache to initial
POST values.
• Check the main board.
1-1-3-2 09h Set in POST flag. • Check the main board.
1-1-3-3 0Ah Initialize CPU registers. • Check the processor.
• Check the main board.
1-1-4-1 0Ch Initialize cache to initial
POST values.
• Check the secondary cache.
• Check the processor.
• Check the main board.
1-1-4-3 0Eh Initialize I/O. • Make sure all the cards are securely
inserted into the system.
• Make sure that there are no physical
problems with the main board or
internal connections.
• Disable all shadowing of expansion
adapter ROMs and see if that fixes the
problem.
• Remove all unnecessary expansion
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.
1-2-1-1 10h Initialize Power
Management.
• Check the main board.
1-2-1-2 11h Load alternate registers
with initial POST values.
• Check the main board.
1-2-1-3 12h Jump to UserPatch0. • Check the main board.
1-2-2-1 14h Initialize keyboard
controller.
• Check the keyboard.
• Check the keyboard controller.
• Check the main board.
1-2-2-3 16h BIOS ROM checksum. • Check the main board.
1-2-3-1 18h 8254 timer initialization. • Check the main board.
1-2-3-3 1Ah 8237 DMA controller
initialization
• Treat as an expansion card problem.
• Check the main board.
1-2-4-1 1Ch Reset Programmable
Interrupt Controller
• Treat as an expansion card problem.
• Check the main board.
1-3-1-1 20h Test DRAM refresh. • Check the system memory.
• Check the main board.