e-reader link port?

[c0ldb33r]

Does the male link port on the e-reader do anything? I don't mean the female port on the top, I know that's what you use to connect the e-reader to another gameboy or the cube. I'm wondering about the male end by the cartridge connector.

I ask because I tried it in my wife's original landscape GBA and it fits perfectly and works well. When I plug it into my SP, the link port doesn't do a damn thing, just sits there not plugged into anything. But the e-reader works just fine.

So my question is this - Does the male port do anything? Or is it just for increased stability when plugged into an original GBA?

[Oobgarm]

It's so you can use the female link port on the top of the GBA when the e-reader is plugged in. Kind of a go-between, if you will.

[davidbrit2]

Yeah, it's apparently nothing more than a passthrough, since the reader blocks the link port on the original GBA otherwise. When using the e-reader with an SP, simply use the link port on the back of the system like normal.