What does mean the following extern variable declaration:

extern SEGMENT_VARIABLE(RxBuffer[RECEIVED_BUFFER_SIZE], U8 , BUFFER_MSPACE); What does mean this type of declaration? Thank you very much
What does mean the following extern variable declaration:

extern SEGMENT_VARIABLE(RxBuffer[RECEIVED_BUFFER_SIZE], U8 , BUFFER_MSPACE); What does mean this type of declaration? Thank you very much
when i use uvision complie a projiect ,i receive error message as follow:

could not load file "e:\application\keil\c51\examples\dallas\390\c\inst390"
when i use uvision complie a projiect ,i receive error message as follow:

could not load file "e:\application\keil\c51\examples\dallas\390\c\inst390"
What does this message means..

I am using a atmel 89s8252 controller which has 8k flash, 2k eeprom, and 256 ram.. I am using the evaluation version of the keil.. My question is would my program be compiled if i were to use the...