HP Dc5800 Service Reference Guide: HP Compaq dc5800 Business PC - Page 192
Appendix C, POST Error Messages - motherboard
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Table C-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 605-Diskette Drive Type Error Mismatch in drive type. 1. Run Computer Setup. 2. Disconnect any other diskette controller devices (tape drives). 3. Clear CMOS. (See Appendix B, Password Security and Resetting CMOS on page 191.) 660-Display cache is detected unreliable Integrated graphics controller display cache Replace system board if minimal graphics is not working properly and will be disabled. degrading is an issue. 912-Computer Cover Has Been Removed Since Last System Startup Computer cover was removed since last system startup. No action required. 917-Front Audio Not Connected Front audio harness has been detached or Reconnect or replace front audio harness. unseated from motherboard. 918-Front USB Not Connected Front USB harness has been detached or unseated from motherboard. Reconnect or replace front USB harness. 921-Device in PCI Express slot failed to initialize There is an incompatibility/problem with this Try rebooting the system. If the error device and the system or PCI Express Link reoccurs, the device may not work with this could not be retrained to an x1. system 1151-Serial Port A Address Conflict Detected Both external and internal serial ports are assigned to COM1. 1. Remove any serial port expansion cards. 2. Clear CMOS. (See Appendix B, Password Security and Resetting CMOS on page 191.) 3. Reconfigure card resources and/or run Computer Setup or Windows utilities. 1152-Serial Port B Address Conflict Detected Both external and internal serial ports are assigned to COM2. 1. Remove any serial port expansion cards. 2. Clear CMOS. (See Appendix B, Password Security and Resetting CMOS on page 191.) 3. Reconfigure card resources and/or run Computer Setup or Windows utilities. 1155-Serial Port Address Conflict Detected Both external and internal serial ports are assigned to same IRQ. 1. Remove any serial port expansion cards. 2. Clear CMOS. (See Appendix B, Password Security and Resetting CMOS on page 191.) 3. Reconfigure card resources and/or run Computer Setup or Windows utilities. 184 Appendix C POST Error Messages