You are out of luck
PCMCIA on Toshiba laptops
Tecra 8000 + TDK Ethernet/Modem+Suse: Part 2 (Alexei Gorbatov)
Date: 2000, Apr 13
From: David Hinds <email@example.com>
This is not a supported card. The modem will work, I guess, but that's all.
to: "You are out of luck"