diff --git a/configure.in b/configure.in
index b45896a..d1b6155 100644
--- a/configure.in
+++ b/configure.in
@@ -67,16 +67,19 @@
 
 AC_MSG_CHECKING([for a supported CPU])
 AC_SUBST(VG_ARCH)
+AC_SUBST(KICKSTART_BASE)
 
 case "${host_cpu}" in
      i?86) 
 	AC_MSG_RESULT([ok (${host_cpu})])
         VG_ARCH="x86"
+        KICKSTART_BASE="0xb0000000"
         ;;
 
      powerpc*)
         AC_MSG_RESULT([no (${host_cpu})])
         VG_ARCH="ppc"
+        KICKSTART_BASE="0x70000000"
         AC_MSG_ERROR([PowerPC not supported. Sorry])
         ;;