How can a USB1.0 machine be upgraded to recognize USB2.0 devices?

Q: Older HP CPU w/USB1.0 port doesn't reconsize new 35mm slide scanner which requires USB2,0 support. Can anything be done to let these talk to each other????

A: Not directly. You can purchase a new USB 2.0 controller, like this one: http://www.walmart.com/catalog/product.do?product_id=3356810

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