http://213.209.100.104/driver/
or
http://www.windowsxp-drivers.com/drivers/46/46689.htm
(you must receive your membership info)(free)
or
http://ftp.cis.nctu.edu.tw/data/pub3/Vendors/RevScan/
or
http://www.totallydrivers.com/
or
http://ftp.nsysu.edu.tw/Vendors/Revscan/
usb test
http://www.usb.org/data/usbready.exe
REVSCAN 19200S USB Scanner - Plug and scan , Win 98 19200 DPI resolution (software interpolation) Software included, Photoexpress, textbridge OCR Scan Dialog Box. 600 x 1200 DPI Scanner resolution. 48 bit colour scanning.
i think you must be register in this website