BOOT-51 Appendix B

| Appendix B RESET51 Error Messages
General Errors:
Error Message | Meaning
--- | ---
too many parameters | More than two parameters specified.
illegal port name | Unknown device name.
invalid pulse-width | Pulse width is 0, or no unsigned 16-bit number.
hardware failure | The port register cannot be read back.
MS-DOS only:
Error Message | Meaning
--- | ---
port not found | The BIOS did not recognize the port.
Linux only:
Error Message | Meaning
--- | ---
no root privilege | Program doesn't run as root.
access denied | No r/w access to character device.
port not found | Port entry not found in /proc/parport
invalid base address | Format error in /proc/parport/n/hardware