My New Question : if it's only bug or not ?

Updete - Feb 13 2008

i install on OptiPlex 755 MT with Processor E6750 2.66Ghz - New Dell Bios A07

Here Picture Of The Event - ( to take this shot i press "Pause" key on keyboard )

Feb 11 2008

 i install on OptiPlex 330 MT with Processor E2140 1.6Ghz the New Dell Bios A02 and every restart i get msg something like that

" system dont support the processor, raed Documentation information "

after this 2 line flash message the OS up & look OK ....

My Question : if i need  - back to BIOS A01 ???