Also works for I56LVP modems ending in the following A0,A1,C0,C1,C2,F0,F1,F2,J0,J1,Z0,Z1 Lectron's site is hard to get access to... They also have NT4, ME, 2000 and Red Hat Linux 6.1, 6.2, & 7.0 drivers at www.lectron.com.tw/DOWNLOAD/PCI%20MODEM.htm E-mail me if you can't get to their site & I'll see what I can do. FCC Reg. No = 2H9TAI-27142-M5-E