HP Conexant CX-9Z-NR0134-00 Low Profile 56 Kbps PCIe Modem 466700-001 5189-1723 Conexant CX-9Z-NR0134-00 Low Profile 56K PCIe Fax modem Manufacturer: HP Part Number: 5189-1723 Model: CX-9Z-NR0134 MPN: 466700-001