This title, Silent Hunter II (by Ubisoft) is based on/derived from the
same game engine as used by this title's predecessor, Destroyer Command.
As I do not have the CD version of Silent Hunter II myself (I have the
GOG.com version), and am unable to actually check this, I cannot say
for certain the following is correct, (but I would suspect it is)...
You may find the
Tips&Tricks for installing Destroyer Command
is directly applicable to the CD based release of Silent Hunter II.