diff --git a/src/northbridge/ibm/cpc710/cpc710_sdram.c b/src/northbridge/ibm/cpc710/cpc710_sdram.c
new file mode 100644
index 0000000000..e14463d749
--- /dev/null
+++ b/src/northbridge/ibm/cpc710/cpc710_sdram.c
@@ -0,0 +1,12 @@
+#include <mem.h>
+
+struct mem_range *
+sizeram(void)
+{
+	static struct mem_range meminfo;
+
+	meminfo.basek = 0;
+	meminfo.sizek = 1024 * 1024; /* FIXME */
+
+	return &meminfo;
+}