The enter key on the numeric pad causes the cursur to backspac

Machine Name: Mac mini
Machine Model: Macmini1,1
Processor Name: Intel Core Solo
Processor Speed: 1.5 GHz
Number Of Processors: 1
Total Number Of Cores: 1
Memory: 1 GB
Bus Speed: 667 MHz
Boot ROM Version: MM11.0055.B08
SMC Version: 1.3f4
L2 Cache: 2 MB