Windows 2000 driver for PCSGU250

Hello,
I lost my CD-ROM which came with the hardware device. The old Sony (256MB memory limit) notebook runs only fine under W2K. After reinstallation of W2K, I cannot install the Win XP drivers.
Please help.
Thank you
kind regards
Franz

Here’s the link to download the driver:
app.box.com/s/q5lew86slam1paw9it2af8x43xjnm0lp