--- VAX/vaxmod_defs.h.orig	Wed Oct 24 10:15:03 2012
+++ VAX/vaxmod_defs.h	Wed Oct 24 10:16:25 2012
@@ -114,7 +114,7 @@
 #define MAXMEMSIZE      (1 << MAXMEMWIDTH)              /* max mem size */
 #define MAXMEMWIDTH_X   29                              /* max mem, KA655X */
 #define MAXMEMSIZE_X    (1 << MAXMEMWIDTH_X)
-#define INITMEMSIZE     (1 << 24)                       /* initial memory size */
+#define INITMEMSIZE     (1 << 27)                       /* initial memory size */
 #define MEMSIZE         (cpu_unit.capac)
 #define ADDR_IS_MEM(x)  (((uint32) (x)) < MEMSIZE)