memory card problems

hello everybody !! i'm actualy working on my gamecube portable and i've got a problem. I tried so many time to wire the memory card to my motherboard and when i run the gamecube it tell me "the object inserted in Slot A cannot be used." so i look at differents topics and ti tried to have shorter wire but now i don't understand how to make it works ...

if somebody can help me ^^

https://drive.google.com/file/d/0B94CvktpZBicemdzTTVCdkZvMTg/view
 
Hello !

It did the same thing for me in my portable, the memory card was working once a while... Unfortunately the only thing i could recommend is trying to wire it to the other slot to see if the memory card works. I fixed my problem by changing my MC with a new one :/
 
in the slot B before wiring, this MC worked but i tried many time to soldering and desoldering and it doesn't work so do you thing my slot A is dead ?
 
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