Beep Code

Post Code

Description

 

What to Check (Recommended)

 

 

 

 

 

2-4-1-1

70h

Display error messages.

Check the video card.

 

 

 

Check the main board.

 

 

 

 

 

2-4-1-3

72h

Check for configuration

Check the main board.

 

 

errors.

 

 

 

 

 

 

 

2-4-2-1

74h

Test real-time clock.

Check the main board.

 

 

 

 

 

2-4-2-3

76h

Check for keyboard errors.

Check the keyboard.

 

 

 

Check the keyboard controller.

 

 

 

Check the main board.

 

 

 

 

 

2-4-4-1

7Ch

Set up hardware interrupts

Treat as an expansion card problem.

 

 

vectors.

Check the main board.

 

 

 

 

 

2-4-4-3

7Eh

Test coprocessor if

Check the processor.

 

 

present.

Check the main board.

 

 

 

 

 

3-1-1-1

80h

Disable onboard I/O ports.

Treat as an expansion card problem.

 

 

 

Check the serial port(s).

 

 

 

Check the parallel port(s).

 

 

 

Check the main board.

 

 

 

 

 

3-1-1-3

82h

Detect and install external

Treat as an expansion card problem.

 

 

RS232 ports.

Check the serial port(s).

 

 

 

Check the parallel port(s).

 

 

 

Check the main board.

 

 

 

 

 

3-1-2-1

84h

Detect and install external

Treat as an expansion card problem.

 

 

parallel ports.

Check the serial port(s).

 

 

 

Check the parallel port(s).

 

 

 

Check the main board.

 

 

 

 

 

3-1-2-3

86h

Reinitialize onboard I/O

Treat as an expansion card problem.

 

 

ports.

Check the serial port(s).

 

 

 

Check the parallel port(s).

 

 

 

Check the main board.

 

 

 

 

 

3-1-3-1

88h

Initialize BIOS data area.

Check the main board.

 

 

 

 

 

3-1-3-3

8Ah

Initialize extended BIOS

Check the main board.

 

 

data area.

 

 

 

 

 

 

 

3-1-4-1

8Ch

Initialize floppy controller.

Check the HDD.

 

 

 

Check the floppy disk drive(s).

 

 

 

Check the main board.

 

 

 

 

 

3-2-1-1

90h

Initialize hard disk

Check the HDD.

 

 

controller.

Check the floppy disk drive(s).

 

 

 

Check the main board.

 

 

 

 

 

3-2-1-2

91h

Initialize local bus hard

Check the HDD.

 

 

disk controller.

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

• Check the main board.

 

 

register.

 

 

 

 

 

 

 

3-2-3-1

98h

Search for option ROMs.

Check the main board.

 

 

 

 

 

Chapter 4

85

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Image 91
Acer 6460, 6410 manual Beep Code Post Code Description What to Check Recommended