diff -r bbceb6297329 -r 3c7003592b5f configs/common/Options.py
--- a/configs/common/Options.py	Sun Apr 15 12:35:49 2012 -0700
+++ b/configs/common/Options.py	Mon Apr 16 17:51:26 2012 -0500
@@ -171,3 +171,11 @@
     parser.add_option("--etherdump", action="store", type="string", dest="etherdump",
                       help="Specify the filename to dump a pcap capture of the" \
                       "ethernet traffic")
+
+    # Disk Image Options
+    parser.add_option("--disk-image", action="store", type="string", default=None,
+                      help="Path to the disk image to use.")
+
+    # Memory Size Options
+    parser.add_option("--mem-size", action="store", type="string", default=None,
+                      help="Specify size of main memory (for single memory)")
diff -r bbceb6297329 -r 3c7003592b5f configs/example/fs.py
--- a/configs/example/fs.py	Sun Apr 15 12:35:49 2012 -0700
+++ b/configs/example/fs.py	Mon Apr 16 17:51:26 2012 -0500
@@ -86,9 +86,9 @@
         sys.exit(1)
 else:
     if options.dual:
-        bm = [SysConfig(), SysConfig()]
+        bm = [SysConfig(disk=options.disk_image, mem=options.mem_size), SysConfig(disk=options.disk_image, mem=options.mem_size)]
     else:
-        bm = [SysConfig()]
+        bm = [SysConfig(disk=options.disk_image, mem=options.mem_size)]
 
 np = options.num_cpus
 
diff -r bbceb6297329 -r 3c7003592b5f configs/example/ruby_fs.py
--- a/configs/example/ruby_fs.py	Sun Apr 15 12:35:49 2012 -0700
+++ b/configs/example/ruby_fs.py	Mon Apr 16 17:51:26 2012 -0500
@@ -71,7 +71,7 @@
         print "Valid benchmarks are: %s" % DefinedBenchmarks
         sys.exit(1)
 else:
-    bm = [SysConfig()]
+    bm = [SysConfig(disk=options.disk_image, mem=options.mem_size)]
 
 # Check for timing mode because ruby does not support atomic accesses
 if not (options.cpu_type == "detailed" or options.cpu_type == "timing"):