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92 Chapter 4
4-1-1-1 C0H Try to boot with INT 19. • Check the HDD.
• Check the floppy disk drive(s).
• Check the main board.
4-2-1-1 D0H Interrupt handler error. • Treat as an expansion card problem.
• Check the main board.
4-2-1-3 D2h Unknown interrupt. • Treat as an expansion card problem.
• Check the main board.
4-2-2-1 D4h Pending interrupt error. • Treat as an expansion card problem.
• Check the main board.
4-2-2-3 D6h Initialize option ROM
error.
• Check the main board.
4-2-3-1 D8h Shutdown error. • Check the main board.
4-2-3-3 DAh Extended Block Move. • Check the main board.
4-2-4-1 DCh Shutdown error. • Check the main board.
4-2-4-3 DEh Keyboard controller
failure.
• Check the keyboard.
• Check the keyboard controller.
• Check the main board.
4-3-1-3 E2h Initialize the chipset. • Check the main board.
4-3-1-4 E3h Initialized refresh
counter.
• Check the main board.
4-3-2-1 E4h Check for Forced Flash. • Check the main board.
4-3-2-2 E5h Check HW status of ROM. • Check the main board.
4-3-2-3 E6h BIOS ROM is OK. • Check the main board.
4-3-2-4 E7h Do a complete RAM test. • Check the system memory.
• Check the main board.
4-3-3-1 E8h Do OEM initialization. • Check the main board.
4-3-3-2 E9h Initialize interrupt
controller.
• Treat as an expansion card problem.
• Check the main board.
4-3-3-3 EAh Read in bootstrap code. • Check the HDD.
• Check the floppy disk drive.
• Check the main board.
4-3-3-4 EBh Initialize all vectors. • Treat as an expansion card problem.
• Check the main board.
4-3-4-1 ECh Boot the Flash program. • Check the main board.
4-3-4-2 EDh Initialize the boot device. • Check the HDD.
• Check the floppy disk drive(s).
• Check the main board.
4-3-4-3 EEh Boot code was read OK. • Check the HDD.
• Check the floppy disk drive(s).
• Check the main board.
Beep Code Post Code Description What to Check (Recommended)