Still not working. Here's what I did.  I opened the mxd and went to the layer with the biggest extents.  I right clicked and went to layer properties and the clicked on the Source Tab to get the Left, Right, Top, Bottom Coordinates.  I keyed them into the extents line on the Mobile Content Server using the format mentioned above, xmin,ymin,xmax,ymax.  Everything appeared to work, or at least I didn't get any errors.  But when I open the map on the iPhone it is still zooming all the way out.  Did I do something wrong?