Table 3-1. POST Beep Codes (continued)

Beep Code

Error

Probable Causes

 

 

 

4-3-3

Timer-chip counter 2 failure

Defective system board

 

 

 

4-3-4

Time-of-day clock stopped

Bad battery or defective sys-

 

 

tem board

 

 

 

4-4-1

Serial/parallel port test failure

Faulty I/O chip (defective sys-

 

 

tem board)

 

 

 

System Error Messages

Table 3-2 lists (in alphabetical order) system error messages that can appear on the monitor screen. These messages can help you find the source of a problem. Some of these error messages indicate fatal errors. When a fatal error occurs, the system usually cannot be rebooted until an appropriate hardware change has been made. The following messages indicate a fatal error:

Bad error-correction code (ECC) on disk read

Controller has failed

Data error

Gate A20 failure

Hard disk controller failure

Hard disk drive read failure

Hard disk failure

Incompatible Processor: CPU0 is B0 step or below

Incompatible Processor: CPU1 is B0 step or below

Incompatible Processors: Cache sizes different

Keyboard clock line failure

Keyboard controller failure

Keyboard data line failure

Keyboard stuck key failure

No timer tick interrupt

Shutdown failure

Terminator/processor card not installed! System

HALTED!

Timer chip counter 2 failed

Unexpected interrupt in protected mode

Beep Codes and Error Messages

3-3

Page 37
Image 37
Dell 100-Mbps manual System Error Messages, Halted