Fat PS2, Memory slot 1 won't read. Memory Slot 2 will.

[Pikarya]

As with the title, my slot one won't read any kind of memory card or detect it. Slot two works fine, kinda at a loss with whats wrong with it. Maybe I should order a memory card ribbon cable to replace along with a new reader?

[Kohan]

Although it wouldn't hurt to replace the ribbon, I doubt it's that if the first one isn't having any problems whatsoever. Still, since you're going to replace one component, you may as well do both.

As for what it is, I'd bet the port is burnt out.

[Tythera]

This happened to me, sounds stupid but put small strips of scotch tape over the little "trenches" in the bottom of the memory card near where the pins are. At least it worked for me, from putting cards in and out it got too worn down and the card will actually sag enough to not get a good data connection with the PS2.

That's not to say that's your problem but something cheap and easy to try.

Edit: quick and dirty mspaint job, these are what I'm talking about:

http://i34.tinypic.com/90aaec.jpg

[Pikarya]

I tried the same card in my friends ps2 and it worked fine. So i'm guessing its possible the port burned out or went bad. I'm going to go ahead and replace the ribbon and port piece and see if it works.

[Omniyoji]

I have the same problem as well. I discovered that my mem card slot 1 wouldn't read and slot 2 would just like you. I found the solution accidentally tho. I don't remember how or why, but when the card is in slot 1 it's a bit loose. The PS2 will not read the card unless I nudge it to the right. Doing that fixes the problem. My PS2 is pretty old. I have the red box GT3 bundle. Shift the card while in it's port to the left or right and see if the PS2 can then read it. I have this problem only on the first slot. It's probably due to high usage.

[Pikarya]

I'll try this also, but yeah I'm probably going to replace the parts anyways.

[Tythera]

Yeah, that's what the tape was for in my post if I wasn't clear, I'm known for that. If it's just loose it fixes it but replacing the internals isn't the end of the world either.