diff --git a/src/northbridge/intel/i945/debug.c b/src/northbridge/intel/i945/debug.c
index 8dc76fe..859a1ef 100644
--- a/src/northbridge/intel/i945/debug.c
+++ b/src/northbridge/intel/i945/debug.c
@@ -19,6 +19,7 @@
  * MA 02110-1301 USA
  */
 
+#include <spd.h>
 #include <lib.h>
 #include <arch/io.h>
 #include <arch/romcc_io.h>
@@ -26,10 +27,6 @@
 #include <console/console.h>
 #include "i945.h"
 
-#define SMBUS_MEM_DEVICE_START 0x50
-#define SMBUS_MEM_DEVICE_END 0x53
-#define SMBUS_MEM_DEVICE_INC 1
-
 void print_pci_devices(void)
 {
 	device_t dev;
@@ -88,8 +85,8 @@
 void dump_spd_registers(void)
 {
         unsigned device;
-        device = SMBUS_MEM_DEVICE_START;
-        while(device <= SMBUS_MEM_DEVICE_END) {
+        device = DIMM0;
+        while(device <= DIMM3) {
                 int status = 0;
                 int i;
         	printk(BIOS_DEBUG, "\ndimm %02x", device);
@@ -105,7 +102,7 @@
 			}
 			printk(BIOS_DEBUG, "%02x ", status);
 		}
-		device += SMBUS_MEM_DEVICE_INC;
+		device++;
 		printk(BIOS_DEBUG, "\n");
 	}
 }