What is the direct link to download the Diag504fCD.iso (File for DOS)

Can someone give me the direct link to download the Diag504fCD.iso file (for DOS)
Thank you, Anthony Barnett.

Did you try a Google search? Here is what I found.
http://www.userdrivers.com/RAID-HD-Controller/WD-Data-Lifeguard-Diagnostic-5-04f-for-DOS-CD/
Is this what you wanted?

cat0w
USA