4-3
Compaq Professional Workstation AP400 Maintenance and Service Guide
POST Messages
Continued
Message
Beeps*
Probable Cause
Recommended Action
210-Invalid Memory
Configuration Detected.
Maximum of 1 GB of Memory
Supported. System Halted.
None
Too much memory installed
Reduce memory installed by
removing DIMMs.
212-Failed Processor
1L
Processor has failed to initialize
Replace the processor and/or the
Processor Power Module.
301-Keyboard Error
None
Keyboard failure
Reconnect keyboard with computer
turned off.
301-Keyboard Error or Test
Fixture Installed
None
Keyboard failure
Replace the keyboard.
303-Keyboard Controller
Error
None
I/O board keyboard controller
1. Reconnect keyboard with computer
turned off.
2. Replace the system board with tray.
304-Keyboard or System Unit
Error
None
Keyboard failure
1. Replace the keyboard.
2. Replace the system board with tray.
40X-Parallel Port X Address
Assignment Conflict
2S
Port address conflict.
Run Computer Setup or Windows
NT utilities.
402-Monochrome
Adapter Failure
1L, 2S
Monochrome display controller
Replace the monochrome display
controller.
404-Parallel Port Address
Conflict Detected
2S
Both external and internal ports are
assigned to parallel port X
Run Computer Setup or Windows
NT utilities.
501-Display Adapter Failure
1L, 2S
Video display controller
Replace the graphics controller.
601-Diskette Controller Error
None
Diskette controller circuitry or
floppy drive circuitry incorrect
1. Run Computer Setup.
2. Check and/or replace cables.
3. Replace diskette drive.
4. Replace the system board with tray.
605-Diskette Drive Type Error 2S
Mismatch in drive type
Run Computer Setup or Windows
NT utilities.
611-Primary Floppy Port
Address Assignment
Conflict
2S
Configuration error
Run Computer Setup or Windows
NT utilities.
612-Secondary Floppy Port
Address Assignment
Conflict
2S
Configuration error
Run Computer Setup or Windows
NT utilities.
1151-System board with
tray COM Port 1 Address
Assignment Conflict
2S
Both external and internal serial
ports are assigned to COM1
Run Computer Setup or Windows
NT utilities.
1152-System board with
tray COM Port 2 Address
Assignment Conflict
2S
Both external and internal serial
ports are assigned to COM2
Run Computer Setup or Windows
NT utilities.
1155-COM Port Address
Assignment Conflict
2S
COM port address conflict
Run Computer Setup or Windows
NT utilities.
1610-Temperature
Violation Detected
None
Internal temperature exceeds
specification
Turn off the workstation and let it
cool. Check that computer air vents
are not blocked and cooling fan is
running.
*L = Long, S = Short
Continued
