calibre doesn't see really old Sony ereader

I have a really, really old Sony ereader (maybe 2011?) that I'd like to give away. I'm currently charging it, and it will turn on and I can see the books that are on it and open a book.

But when I connect it to my computer, Calibre can't see it to use Calibre to side load books.

Is there any way that I can get Calibre to see the device? I'm not sure it's usable without that.

thanks!

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