diff --git a/src/northbridge/intel/i440bx/Config.lb b/src/northbridge/intel/i440bx/Config.lb
index 82a05ee..c9a26b0 100644
--- a/src/northbridge/intel/i440bx/Config.lb
+++ b/src/northbridge/intel/i440bx/Config.lb
@@ -18,5 +18,10 @@
 ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 ##
 
+uses HAVE_HIGH_TABLES
+
 config chip.h
+
 driver northbridge.o
+
+default HAVE_HIGH_TABLES=1
diff --git a/src/northbridge/intel/i440bx/northbridge.c b/src/northbridge/intel/i440bx/northbridge.c
index 306e73e..f95a1a7 100644
--- a/src/northbridge/intel/i440bx/northbridge.c
+++ b/src/northbridge/intel/i440bx/northbridge.c
@@ -91,6 +91,10 @@
 	return tolm;
 }
 
+#if HAVE_HIGH_TABLES==1
+#define HIGH_TABLES_SIZE 64	// maximum size of high tables in KB
+extern uint64_t high_tables_base, high_tables_size;
+#endif
 static void pci_domain_set_resources(device_t dev)
 {
 	device_t mc_dev;
@@ -127,6 +131,12 @@
 		idx = 10;
 		ram_resource(dev, idx++, 0, 640);
 		ram_resource(dev, idx++, 768, tolmk - 768);
+ 
+#if HAVE_HIGH_TABLES==1
+		/* Leave some space for ACPI, PIRQ and MP tables */
+		high_tables_base = (tomk - HIGH_TABLES_SIZE) * 1024;
+		high_tables_size = HIGH_TABLES_SIZE * 1024;
+#endif
 	}
 
 	assign_resources(&dev->link[0]);