HP Point of Sale rp5000 Troubleshooting Guide (2nd Edition) - Page 59

Appendix B, Password Security and Resetting, CMOS., Clear CMOS. See

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POST Error Messages Numeric Codes and Text Messages (Continued) Code/Message 301-Keyboard Error Probable Cause Keyboard failure. 303-Keyboard Controller Error 304-Keyboard or System Unit Error I/O board keyboard controller. Keyboard failure. 401-Parallel Port 1 Address Assignment Conflict 402-Monochrome Adapter Failure 403-Parallel Port 3 Address Conflict Detected 404-Parallel Port Address Conflict Detected IRQ address conflicts with another device. Monochrome display controller. IRQ address conflicts with another device. Both external and internal ports are assigned to parallel port X. 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 keyboard with computer turned off. 2. Replace the system board. 1. Reconnect keyboard with computer turned off. 2. Ensure that none of the keys are depressed. 3. Replace the keyboard. 4. Replace the system board. Reset the IRQ. Replace the Monochrome display controller. Reset the IRQ. 1. Remove any parallel port expansion cards. 2. Clear CMOS. (See Appendix B, "Password Security and Resetting CMOS.") 3. Reconfigure card resources and/or run Computer Setup. Troubleshooting Guide www.hp.com A-5

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Troubleshooting Guide
www.hp.com
A–5
POST Error Messages
301-Keyboard Error
Keyboard failure.
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.
303-Keyboard
Controller Error
I/O board keyboard
controller.
1. Reconnect keyboard with computer
turned off.
2. Replace the system board.
304-Keyboard or
System Unit Error
Keyboard failure.
1. Reconnect keyboard with computer
turned off.
2. Ensure that none of the keys are
depressed.
3. Replace the keyboard.
4. Replace the system board.
401-Parallel Port 1
Address Assignment
Conflict
IRQ address conflicts
with another device.
Reset the IRQ.
402-Monochrome
Adapter Failure
Monochrome display
controller.
Replace the Monochrome display
controller.
403-Parallel Port 3
Address Conflict
Detected
IRQ address conflicts
with another device.
Reset the IRQ.
404-Parallel Port
Address Conflict
Detected
Both external and
internal ports are
assigned to
parallel port X.
1. Remove any parallel port expansion
cards.
2. Clear CMOS. (See
Appendix B,
“Password Security and Resetting
CMOS.”
)
3. Reconfigure card resources and/or
run Computer Setup.
Numeric Codes and Text Messages
(Continued)
Code/Message
Probable Cause
Recommended Action