3-1-1 Slave DMA register failure

3-1-2 Master DMA register failure

3-1-3 Master interrupt mask register failure

3-1-4 Slave interrupt mask register failure

3-2-2 Interrupt vector loading failure

3-2-4 Keyboard Controller Test failure

3-3-1 NVRAM power loss

3-3-2 NVRAM configuration

3-4-1 Screen initialization failure

3-4-2 Screen retrace failure

4-2-1 No time tick

4-2-2 Shutdown failure

4-2-3 Gate A20 failure

4-2-4 Unexpected interrupt in protected mode

4-3-3 Timer-chip counter 2 failure

4-3-4 Time-of-day clock stopped 4-4-1 Serial or parallel port test failure 4-4-4 Cache test failure

System Messages

NOTE: If the message you received is not listed in the table, see the documentation for either the operating system or the program that was running when the message appeared.

Message

Possible Cause

Corrective Action

8042 Gate-

The keyboard controller

If you receive this message after you make

A20 error

failed its test.

changes in the system setup program, enter the

 

 

system setup program and restore the original

 

 

value(s).

Address Line Short!

C:Drive Error

C:Drive

Failure

Cache

Memory Bad,

Do Not

Enable

Cache

CH-2 Timer

Error

CMOS Battery

State Low

CMOS

Checksum

Failure

CMOS System

An error in the address decoding circuitry in the memory has occurred.

The hard drive is not working or is not configured correctly.

The cache memory is not operating.

An error is occurring on the timer on the system board.

The system configuration information in the system setup program is incorrect or the battery charge may be low.

Reseat the memory modules (see Memory).

Ensure that the hard drive is installed correctly in the computer (see Hard Drive) and defined correctly in the system setup program (see System Setup).

See "Contacting Dell" in your Owner's Manual for instructions on obtaining technical assistance.

See "Contacting Dell" in your Owner's Manual for instructions on obtaining technical assistance.

Enter the system setup program (see Entering System Setup), verify the system configuration, and then restart the computer.

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Dell DCDO, 710 H2C service manual System Messages, Message Possible Cause Corrective Action

710 H2C, DCDO specifications

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