parallel port problem

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niranjan23

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Hiiii


I am trying to programe AT89S51 by parallel port .But I dont have DB25 connection to my PC .only Parallel port is available on motherboard, the Pin out of it is given below.


Also I bought DB25 cable and Motherboard connector shown below



But problem is I tried many times to connect all pins shown Asim's ISP loader circuit dig. But that not works...I make Programmer from Asim's circuit digram



I am totally confused what to do ..?? Please help me
 

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