Dojo 1.7 + JSAPI 2.7

<main.html>
    <script type="text/javascript">
        var dojoConfig = ( function ()
        {
            var base = location.href.split( "/" );
            base.pop();
            base = base.join( "/" );
            return {
                parseOnLoad : false,
                async : false,
                isDebug : true,
                packages : [
                    {
                        name: "ags",
                        location: "http://mydevbox/arcgis_js_api/library/2.7/jsapi"
                    },
                    {
                        name: "agsjs",
                        location: base + "/agsjs"
                    },
                    {
                        name : "infor",
                        location : base + "/infor"
                    }
                    ]
            };
        } )();
    </script>

<loader.js>
var djConfig = {
    scopeMap: [
          ["dojo", "esriDojo"],
          ["dijit", "esriDijit"],
          ["dojox", "esriDojox"]
        ]
};

require ( ["dojo", "ags/init"],
    function ( dojo, _ )
    {
        var url = dojo.moduleUrl ( "ags" ) + "js/esri";
        dojo.registerModulePath ( "esri", url );
        djConfig = dojo.config;
    } );