Add com port to viao

[Guest]

I need to configure / emulate / add a com port to my Sony Viao in order to use a Vauxhall diagnostic tool - got one utility and downloaded / installed but still no sign of configurable com port through device manager menus.

 

[Emerald]

Would a USB to DB9 converter work?

http://www.newegg.com/Product/Product.aspx?Item=N82E16812339013&cm_re=usb_to_db9-_-12-339-013-_-Product

http://www.newegg.com/Product/Product.aspx?Item=N82E16812200138&cm_re=usb_to_db9-_-12-200-138-_-Product