OnSpec's own driver-download page is (at this moment) unavailable. Check there first. www.onspecinc.com
The file I've uploaded is also available, with ALOT MORE OnSPec drivers, at www.part2.com/techsupport/drivers.html
If you are using this ATAPI CD / External Parallel Port box to INSTALL WINDOWS, you will need to install the DOS DRIVER FIRST, then install Windows.
Only after you've installed a fully functional set of Windows can you install and use this WIndows driver.