Adaptec's USB 2.0 drivers allow your Adaptec USB2connect and DuoConnect products to work with USB 2.0 devices at speeds up to 480 megabits per second. These drivers are 100% compatible with all USB 1.1 devices as well. Please read the included README file for the latest technical enhancements and limitations of these drivers.This file contains all three installation guides for the operating systems below.
Supported operating systems: Adaptec's USB 2.0 drivers support Microsoft Windows® 98 Second Edition,Windows 2000, Windows Millennium Edition and Windows XP operating systems.
Download Adaptec USB 2.0 Driver for Windows version 2.3 this download is from Adaptec Japan! Try @ your own risk!
http://www.adaptec.co.jp/usb/index.html
Threaded Mode