Dell E520 service manual System Messages, Possible Cause, Corrective Action

Advanced Troubleshooting: Dell Dimension E520 Service Manual

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

3-3-4 Video Memory Test failure

3-4-1 Screen initialization failure

3-4-2 Screen retrace failure

3-4-3 Search for video ROM 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

8042 Gate-

A20 error

Address Line Short!

Possible Cause

The keyboard controller failed its test.

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

Corrective Action

If you receive this message after you make changes in the system setup program, enter the system setup program (see Entering System Setup) and restore the original value(s).

Reseat the memory modules (see Memory).

C:Drive Error

C:Drive

Failure

Cache

Memory Bad,

Do Not

Enable

Cache

CH-2 Timer

Error

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.

Ensure that the drive is installed correctly in the computer and defined correctly in the system setup program (see Entering 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.

CMOS Battery The system configuration State Low

Enter the system setup program (see Entering

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