HP Point of Sale rp5000 Troubleshooting Guide (2nd Edition) - Page 62
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POST Error Messages Numeric Codes and Text Messages (Continued) Code/Message 920-Powered USB card not detected. Either USB card is missing, USB card is not powered, or USB cable is not installed 1151-Serial Port A Address Conflict Detected 1152-Serial Port B Address Conflict Detected 1155-Serial Port Address Conflict Detected Probable Cause The USB card is not installed, the card's power cable is not connected, or the card's data cable is not connected. 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 are assigned to same IRQ. Recommended Action 1. Ensure that the USB card is installed and properly seated. 2. Ensure that the card's power cable is properly connected. 3. Ensure that the card's data cable is properly connected. 1. Remove any serial port expansion cards. 2. Clear CMOS. (See Appendix B, "Password Security and Resetting CMOS.") 3. Reconfigure card resources and/or run Computer Setup or Windows utilities. 1. Remove any serial port expansion cards. 2. Clear CMOS. (See Appendix B, "Password Security and Resetting CMOS.") 3. Reconfigure card resources and/or run Computer Setup or Windows utilities. 1. Remove any serial port expansion cards. 2. Clear CMOS. (See Appendix B, "Password Security and Resetting CMOS.") 3. Reconfigure card resources and/or run Computer Setup or Windows utilities. A-8 www.hp.com Troubleshooting Guide