diff --git a/arch/x86/dts/dfi-bt700.dtsi b/arch/x86/dts/dfi-bt700.dtsi
index dff2345d60..c077a84574 100644
--- a/arch/x86/dts/dfi-bt700.dtsi
+++ b/arch/x86/dts/dfi-bt700.dtsi
@@ -204,7 +204,7 @@
 					memory-map = <0xff800000 0x00800000>;
 					rw-mrc-cache {
 						label = "rw-mrc-cache";
-						reg = <0x006f0000 0x00010000>;
+						reg = <0x005f0000 0x00010000>;
 					};
 				};
 			};
diff --git a/configs/dfi-bt700-q7x-151_defconfig b/configs/dfi-bt700-q7x-151_defconfig
index bd8b2e1155..a48f7c2513 100644
--- a/configs/dfi-bt700-q7x-151_defconfig
+++ b/configs/dfi-bt700-q7x-151_defconfig
@@ -13,6 +13,7 @@ CONFIG_GENERATE_PIRQ_TABLE=y
 CONFIG_GENERATE_MP_TABLE=y
 CONFIG_HAVE_ACPI_RESUME=y
 CONFIG_SEABIOS=y
+CONFIG_SYS_MONITOR_LEN=2097152
 CONFIG_FIT=y
 CONFIG_FIT_SIGNATURE=y
 CONFIG_BOOTSTAGE=y
diff --git a/configs/theadorable-x86-dfi-bt700_defconfig b/configs/theadorable-x86-dfi-bt700_defconfig
index 39c8a87fbe..82c3488845 100644
--- a/configs/theadorable-x86-dfi-bt700_defconfig
+++ b/configs/theadorable-x86-dfi-bt700_defconfig
@@ -15,6 +15,7 @@ CONFIG_GENERATE_PIRQ_TABLE=y
 CONFIG_GENERATE_MP_TABLE=y
 CONFIG_HAVE_ACPI_RESUME=y
 CONFIG_SEABIOS=y
+CONFIG_SYS_MONITOR_LEN=2097152
 CONFIG_FIT=y
 CONFIG_FIT_SIGNATURE=y
 CONFIG_BOOTSTAGE=y