diff -Nur cdrom.old/isolinux/isolinux.cfg cdrom/isolinux/isolinux.cfg
--- cdrom.old/isolinux/isolinux.cfg 2007-08-20 16:16:20.000000000 -0400
+++ cdrom/isolinux/isolinux.cfg 2007-10-16 01:04:37.000000000 -0400
@@ -12,7 +12,11 @@
 F9 f9.txt
 F0 f10.txt

-DEFAULT install
+DEFAULT sipb-xen-install
+
+LABEL sipb-xen-install
+       kernel /install.amd/vmlinuz
+       append auto=true preseed/file=/cdrom/preseed.cfg priority=critical vga=normal fb=false initrd=/install.amd/initrd.gz --

 LABEL install
        kernel /install.amd/vmlinuz