BIOS


Mylex 386 BIOS: - 2


Beeps

Error Message

Description

1-1-2

CPU test failure

The CPU is faulty. Replace the CPU

Low 1-1-2

System board select failure

The motherboard is having an undetermined fault. Replace the motherboard

1-1-3

CMOS read/write error

The real time clock/CMOS is faulty. Replace the CMOS if possible

Low 1-1-3

Extended CMOS RAM failure

The extended portion of the CMOS RAM has failed. Replace the CMOS if possible

1-1-4

BIOS ROM checksum error

The BIOS ROM has failed. Replace the BIOS or upgrade if possible

1-2-1

PIT failure

The programmable interrupt timer has failed. Replace if possible

1-2-2

DMA failure

The DMA controller has failed. Replace the IC if possible

1-2-3

DMA read/write failure

The DMA controller has failed. Replace the IC if possible

1-3-1

RAM refresh failure

The RAM refresh controller has failed

1-3-2

64KB RAM failure

The test of the first 64KB RAM has failed to start

1-3-3

First 64KB RAM failure

The first RAM IC has failed. Replace the IC if possible

1-3-4

First 64KB logic failure

The first RAM control logic has failed

1-4-1

Address line failure

The address line to the first 64KB RAM has failed

1-4-2

Parity RAM failure

The first RAM IC has failed. Replace if possible

1-4-3

EISA fail-safe timer test

Replace the motherboard

1-4-4

EISA NMI port 462 test

Replace the motherboard

2-1-1

64KB RAM failure

Bit 0; This data bit on the first RAM IC has failed. Replace the IC if possible

2-1-2

64KB RAM failure

Bit 1; This data bit on the first RAM IC has failed. Replace the IC if possible

2-1-3

64KB RAM failure

Bit 2; This data bit on the first RAM IC has failed. Replace the IC if possible

2-1-4

64KB RAM failure

Bit 3; This data bit on the first RAM IC has failed. Replace the IC if possible

2-2-1

64KB RAM failure

Bit 4; This data bit on the first RAM IC has failed. Replace the IC if possible

2-2-2

64KB RAM failure

Bit 5; This data bit on the first RAM IC has failed. Replace the IC if possible

2-2-3

64KB RAM failure

Bit 6; This data bit on the first RAM IC has failed. Replace the IC if possible

2-2-4

64KB RAM failure

Bit 7; This data bit on the first RAM IC has failed. Replace the IC if possible

2-3-1

64KB RAM failure

Bit 8; This data bit on the first RAM IC has failed. Replace the IC if possible

2-3-2

64KB RAM failure

Bit 9; This data bit on the first RAM IC has failed. Replace the IC if possible

2-3-3

64KB RAM failure

Bit 10; This data bit on the first RAM IC has failed. Replace the IC if possible

2-3-4

64KB RAM failure

Bit 11; This data bit on the first RAM IC has failed. Replace the IC if possible

2-4-1

64KB RAM failure

Bit 12; This data bit on the first RAM IC has failed. Replace the IC if possible

2-4-2

64KB RAM failure

Bit 13; This data bit on the first RAM IC has failed. Replace the IC if possible

2-4-3

64KB RAM failure

Bit 14; This data bit on the first RAM IC has failed. Replace the IC if possible

2-4-4

64KB RAM failure

Bit 15; This data bit on the first RAM IC has failed. Replace the IC if possible

3-1-1

Slave DMA register failure

The DMA controller has failed. Replace the controller if possible

3-1-2

Master DMA register failure

The DMA controller had failed. Replace the controller if possible

3-1-3

Master interrupt mask register failure

The interrupt controller IC has failed

3-1-4

Slave interrupt mask register failure

The interrupt controller IC has failed

3-2-2

Interrupt vector error

The BIOS was unable to load the interrupt vectors into memory. Replace the motherboard

3-2-3

Reserved

3-2-4

Keyboard controller failure

The keyboard controller has failed. Replace the IC if possible

3-3-1

CMOS RAM power bad

Replace the CMOS battery or CMOS RAM if possible

3-3-2

CMOS configuration error

The CMOS configuration has failed. Restore the configuration or replace the battery if possible

3-3-3

Reserved

3-3-4

Video memory failure

There is a problem with the video memory. Replace the video adapter if possible

3-4-1

Video initialization failure

There is a problem with the video adapter. Reseat the adapter or replace the adapter if possible

4-2-1

Timer failure

The system's timer IC has failed. Replace the IC if possible

4-2-2

Shutdown failure

The CMOS has failed. Replace the CMOS IC if possible

4-2-3

Gate A20 failure

The keyboard controller has failed. Replace the IC if possible

4-2-4

Unexpected interrupt in protected mode

This is a CPU problem. Replace the CPU and retest

4-3-1

RAM test failure

System RAM addressing circuitry is faulty. Replace the motherboard

4-3-3

Interval timer channel 2 failure

The system timer IC has failed. Replace the IC if possible

4-3-4

Time of day clock failure

The real time clock/CMOS has failed. Replace the CMOS if possible

4-4-1

Serial port failure

A error has occurred in the serial port circuitry

4-4-2

Parallel port failure

A error has occurred in the parallel port circuitry

4-4-3

Math coprocessor failure

The math coprocessor has failed. If possible, replace the MPU

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