NEED HELP HDD INSTALLING

i have ps2 slim SCPH-90004 8c modded with M7 auto 2 chip
all i need is a diagram on motherboard installation guide for HDD step by step.
please help me

You can´t solder a HDD on your 90000x model. Only on 70000x models.....
So you have to buy the HD-Pro-package (like ICEQB wrote it on the other thread)
http://psx-scene.com/forums/f110/ps2...6/#post1025660

And stop opening always a new thread.....

Take his advise or I will start to delete your multi posts and give you an infraction 4 post of the same ?
Please don't do that