diff --git a/src/mainboard/iwave/iWRainbowG6/Kconfig b/src/mainboard/iwave/iWRainbowG6/Kconfig
index 7e05aaea80..e908fcf095 100644
--- a/src/mainboard/iwave/iWRainbowG6/Kconfig
+++ b/src/mainboard/iwave/iWRainbowG6/Kconfig
@@ -26,7 +26,7 @@ config MAINBOARD_PART_NUMBER
 
 config MMCONF_BASE_ADDRESS
 	hex
-	default 0xf0000000
+	default 0xe0000000
 
 config IRQ_SLOT_COUNT
 	int
diff --git a/src/northbridge/intel/sch/sch.h b/src/northbridge/intel/sch/sch.h
index 4f49beb041..5700842e90 100644
--- a/src/northbridge/intel/sch/sch.h
+++ b/src/northbridge/intel/sch/sch.h
@@ -38,7 +38,7 @@ void sch_port_access_write_ram_cmd(int cmd, int port, int reg, int data);
 
 #define DEFAULT_RCBABASE                      0xfed1c000
 
-#define DEFAULT_PCIEXBAR	0xe0000000	/* 4 KB per PCIe device */
+#define DEFAULT_PCIEXBAR		CONFIG_MMCONF_BASE_ADDRESS	/* 4 KB per PCIe device */
 
 /* IGD */
 #define GGC	0x52