304-Keyboard or System Unit Error audible beeps: none possible cause: keyboard, keyboard cable, mouse controller, or system board failure. action: 1. be sure the keyboard and mouse are connected. only authorized technicians trained by hp should attempt to remove the system board. if you believe the system board requires replacement, contact hp technical support before proceeding. 2. run insight diagnostics ("hp insight diagnostics" on page 101) and replace failed components as indicated. 400 series list of messages: 40x-parallel port x address assignment conflict 404-parallel port address conflict detected 40x-parallel port x address assignment conflict audible beeps: 2 short possible cause: both external and internal ports are assigned to parallel port x. action: run the server setup utility and correct the configuration. 404-parallel port address conflict detected... ...a hardware conflict in your system is keeping some system components from working correctly. if you have recently added new hardware remove it to see if it is the cause of the conflict. alternatively, use computer setup or your operating system to insure that no conflicts exist. audible beeps: 2 short possible cause: a hardware conflict in the system is preventing the parallel port from working correctly. action: 1. if you have recently added new hardware, remove it to see if the hardware is the cause of the conflict. 2.run the server setup utility to reassign resources for the parallel port and manually resolve the resource conflict. 3. run insight diagnostics ("hp insight diagnostics" on page 101) and replace failed components as indicated. 600 series list of messages: 601-diskette controller error 602-diskette boot record error 605-disk...
