Newbie problem finding module

[Paul Schwartz <brpms@earthlink.net>]

I have just installed Woody on my system.  My first problem is that I 
can't start the X server.  Searching various archives I have determined 
that the problem is most likely associated with the i815 graphics chips 
on the MB.

lsmod does not show that agpgart is installed as a module [there is an 
entry /dev/agpgart]
modprobe -l agpgart
   doesn't return anything

the only files that show up in my installed file system are
agpgart.h
/dev/agpgart

Where do I find the files to install that module?

TIA

Paul Schwartz