Jumpered ISA modem. US Robotics Model 0584 ISA modem. Internal 56K ISA Modem. jumpered modem. Jan 142012 US Robotics Sportster Model 0584 Â US Robotics Sportster – Model 0584Internal 56K ISA modem. Jumpered Modem. Posted by admin Reviews Tagged with: 0584, 56K, availability, bargains, discounts, Internal, ISA, jumpered modem, Modem, price, specifications, Sportster, US Robotics Add comments Leave a Reply Cancel reply Your Comment You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <s> <strike> <strong> Name (required) E-mail (required) URI
 US Robotics Sportster – Model 0584Internal 56K ISA modem. Jumpered Modem.