Compaq DESKPRO 2000 SERIES Maintenance & Service Manual page 47

Table 2-1 Continued
Message Beeps*
301-Keyboard Error None
301-Keyboard Error or None
Text Fixture Installed
303-Keyboard Controller None
Error
304-Keyboard or System None
Unit error
40X Parallel Port X Address 2S
Assignment Conflict
402-Monochrome Adapter 1L, 2S
Failure
501-Display Adapter 1L,2S
Failure
601-Diskette Controller None
Error
605-Diskette Drive Type 2S
Error
611-Primary Floppy Port 2S
Address Assignment
Conflict
612-Secondary Floppy Port 2S
Address Assignment
Conflict
702-A Coprocessor Has None
Been Detected That Is
Not Reported In CMOS
703- CMOS Reports a 2S
Coprocessor That Has Not
Been Detected By POST
1151-System Board COMM 2S
Port 1 Address Assignment
Conflict
1152-System Board COMM 2S
Port 2 Address Assignment
Conflict
1155-System Board COMM 2S
Port Address Assignment
Conflict
*L = Long, S = Short
Probable Cause
Keyboard failure.
Keyboard failure.
I/O board keyboard
controller.
Keyboard failure
Both external and internal
ports are assigned to parallel
port X.
Monochrome display
controller.
Video display controller.
Diskette controller circuitrt.
Mismatch in drive type.
Configuration error.
Configuration error.
Configuration error.
Configuration error.
Both external and internal
serial ports are assigned to
COM1.
Both external and internal
serial ports are assigned to
COM2.
Both external and internal
serial ports assigned to same
COMM port.
Recommended Action
Reconnect keyboard with computer turned off.
1. Reconnect keyboard with computer turned off.
2. Replace the keyboard.
1. Reconnect keyboard with computer turned off.
2. Replace the system board.
1. Reconnect keyboard with computer turned off.
2. Replace the keyboard.
3. Replace the system board.
Run Computer Setup.
Replace the monochrome display controller,
1. Replace the graphics board (if installed).
2. Replace the system board.
1. Check and/or replace cables.
2. Replace the system board.
Run Computer Setup.
Run Computer Setup.
Run Computer Setup.
Run Computer Setup.
Run Computer Setup.
Run Computer Setup.
Run Computer Setup.
Run Computer Setup.
Compaq Deskpro 2000
Continued
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