Opening http://www.highpoint-tech.com/manuals/BIOS%20Update%20User%20Manual.pdf in Document Viewer (Evince) fails and it clams it is password protected. If I open it using Xpdf it works just fine.
File can be found at http://www.highpoint-tech.com/USA/bios_rr1820a.htm link is known as "BIOS User Manual". I used Firefox. FC4 xpdf-3.01-0.FC4.8 evince-0.4.0-1.2 firefox-1.0.7-1.2.fc4 -HK