I'm thinking about buying this modem off newegg and I have a question about serial. I would get usb if they had it but newegg doesn't have any. I have a five pin serial port on the back of my computer, and in the picture on the back of the modem it's like a 20 pin connector. On the box it says serial cable included. I've never used used serial since it's really old but will this modem work for me? Also, If anyone has any serial modem objections let me know cause I can hardly find any information on them. Thanks.