diff --git a/boards/x86/acrn/acrn.dts b/boards/x86/acrn/acrn.dts
index b5c3c06cee7..a4979cc71f8 100644
--- a/boards/x86/acrn/acrn.dts
+++ b/boards/x86/acrn/acrn.dts
@@ -9,6 +9,7 @@
 #include <mem.h>
 
 #define DT_DRAM_SIZE	DT_SIZE_K(8192)
+#define DT_DRAM_BASE	0
 
 #include <ia32.dtsi>
 
diff --git a/boards/x86/qemu_x86/qemu_x86.dts b/boards/x86/qemu_x86/qemu_x86.dts
index 03cfdab115b..25d6849bc43 100644
--- a/boards/x86/qemu_x86/qemu_x86.dts
+++ b/boards/x86/qemu_x86/qemu_x86.dts
@@ -4,6 +4,9 @@
 
 #include <mem.h>
 
+#ifndef DT_DRAM_BASE
+#define DT_DRAM_BASE		0
+#endif
 #ifndef DT_DRAM_SIZE
 #define DT_DRAM_SIZE		DT_SIZE_K(4096)
 #endif
diff --git a/boards/x86/qemu_x86/qemu_x86_tiny.dts b/boards/x86/qemu_x86/qemu_x86_tiny.dts
index a32afaa5b86..f7b083a3b40 100644
--- a/boards/x86/qemu_x86/qemu_x86_tiny.dts
+++ b/boards/x86/qemu_x86/qemu_x86_tiny.dts
@@ -4,5 +4,6 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-#define DT_DRAM_SIZE		DT_SIZE_K(2048)
+#define DT_DRAM_BASE            0x100000
+#define DT_DRAM_SIZE            DT_SIZE_K(128)
 #include "qemu_x86.dts"
diff --git a/boards/x86/qemu_x86/qemu_x86_tiny_defconfig b/boards/x86/qemu_x86/qemu_x86_tiny_defconfig
index bd2d264b25f..178996b332a 100644
--- a/boards/x86/qemu_x86/qemu_x86_tiny_defconfig
+++ b/boards/x86/qemu_x86/qemu_x86_tiny_defconfig
@@ -22,4 +22,7 @@ CONFIG_X86_PAE=n
 CONFIG_X86_COMMON_PAGE_TABLE=y
 CONFIG_X86_KPTI=n
 CONFIG_KERNEL_VM_SIZE=0x400000
+CONFIG_KERNEL_VM_BASE=0x0
 CONFIG_X86_MMU_PAGE_POOL_PAGES=0
+CONFIG_KERNEL_VM_OFFSET=0x100000
+CONFIG_X86_KERNEL_OFFSET=0
\ No newline at end of file
diff --git a/dts/x86/ia32.dtsi b/dts/x86/ia32.dtsi
index 1b1cd087c40..bda175c76c7 100644
--- a/dts/x86/ia32.dtsi
+++ b/dts/x86/ia32.dtsi
@@ -29,7 +29,7 @@
 
 	dram0: memory@0 {
 		device_type = "memory";
-		reg = <0x0 DT_DRAM_SIZE>;
+		reg = <DT_DRAM_BASE DT_DRAM_SIZE>;
 	};
 
 	soc {