disk_error/26_WRITE_PROTECT_ON                   disk_error/26_WRITE_PROTECT_ON
 
 NUMBER
     26

 MESSAGE
     WRITE PROTECT ON

 DESCRIPTION
     This message is generated when the controller has been requested to 
     write a data block while the write protect switch is depressed. 
     Typically, this is caused by using a disk with a write protect tab over 
     the notch.