sir , What can be the probable reason for the board not being reset for dowloading the hex file onto the chip?
sir i have checked the voltage levels at every pin , they are ok. the WSD configuration is: crystal: 11.0592 kHz; baud rate set at 9600 COM1 has been selected for serial port transmission.
This world have seen a huge number of boards containing 8051 chips from a large number of different manufacturers. They do not work identically, which makes it important to know what board you have, and what processor the board is using.
http://www.keil.com/forum/docs/thread16131.asp