For fun could you post your Hardware profile...
Apple Menu > About This Mac > More Info...
should look like this
Hardware Overview:
Machine Name: Mac
Machine Model: MacBook2,1
Processor Name: Intel Core 2 Duo
Processor Speed: 2 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache (per processor): 4 MB
Memory: 2 GB
Bus Speed: 667 MHz
Boot ROM Version: MB21.00A5.B00
SMC Version: 1.13f3
Serial Number:
Sudden Motion Sensor:
State: Enabled