POST Error Messages Continued

 

 

Screen Message

Beeps*

Probable Cause

301-Keyboard Error

None

Keyboard failure.

304-Keyboard or System

None

Keyboard failure.

Unit Error

 

 

401-Parallel Port 1 Address

2S

IRQ address conflicts with

Assignment Conflict

 

another device.

403-Parallel Port 3 Address

2S

IRQ address conflicts with

Assignment Conflict

 

another device.

404-Parallel Port Address

2S

Both external and internal

Conflict Detected

 

ports are assigned to

 

 

parallel port X.

410-Audio Interrupt Conflict

2S

IRQ address conflicts with

 

 

another device.

411-Network Interface Card

2S

IRQ address conflicts with

Interrupt Conflict

 

another device.

501-Display Adapter

1L, 2S

Graphics display controller.

Failure

 

 

* L = Long, S = Short

Recommended Action

1.Reconnect keyboard with computer turned off.

2.Check connector for bent or missing pins.

3.Ensure that none of the keys are depressed.

4.Replace keyboard.

1.Reconnect the keyboard with computer turned off.

2.Ensure that none of the keys are depressed.

3.Replace keyboard.

4.Replace system board.

Reset the IRQ.

Reset the IRQ.

1.Remove any parallel expansion cards.

2.Clear CMOS.

3.Reconfigure card resources and/or run Computer Setup (F10 Setup).

Reset the IRQ.

Reset the IRQ.

1.Reseat the graphics card (if applicable).

2.Clear CMOS.

3.Verify the monitor is attached and turned on.

4.Replace the graphics controller.

continued

Deskpro Service Reference Guide

D-3