diff --git a/misc/acrn-config/hv_config/board_defconfig.py b/misc/acrn-config/hv_config/board_defconfig.py
index 103066fc3..3806780ab 100644
--- a/misc/acrn-config/hv_config/board_defconfig.py
+++ b/misc/acrn-config/hv_config/board_defconfig.py
@@ -24,8 +24,8 @@ VM_NUM_MAP_TOTAL_HV_RAM_SIZE = {
     5:0xD200000,
     # 250M
     6:0xFA00000,
-    # 280M
-    7:0x11800000,
+    # 300M
+    7:0x12C00000,
     # 328M
     8:0x14800000,
 }