US ROBOTICS 3COM 0727 PCI 56K INTERNAL MODEM WITH WARRANTY

3COM US Robotics 3CP2976-OEM-50 0727 56K PCI Modem 1.012.0727-G

PCI 56K Modem 0637 3COM US Robotics

US Robotics 3Com 56K PCI Fax Modem Model 0726 Voice Internal

3Com 0637 US Robotics PCI 56K Modem Card (3C0426297400-83010) "P6B"

3Com US Robotics 56K Dial-Up Fax Modem Card PCI 3CP2976 USR 0727

US Robotics 56K Internal Fax/Modem V.90 PCI Model 0778 3Com 3CP5610 UNTESTED