ISP for P89c669

[aguiarw]

I am using Flashmagic to program the P89C669 with following settings device hardware is my custom based and prescribed by flashmagic manual (MAX232 AND 74125 etc), but and it's not work.

My settings are:-

PORT :- COM1
BAUD :- 9600
CRYSTAL :- 11.0592 Mhz

What is the solution?