diff --git a/hypervisor/arch/x86/configs/apl-mrb/ve820.c b/hypervisor/arch/x86/configs/apl-mrb/ve820.c
index ccf096a84..e32c61fbb 100644
--- a/hypervisor/arch/x86/configs/apl-mrb/ve820.c
+++ b/hypervisor/arch/x86/configs/apl-mrb/ve820.c
@@ -22,8 +22,8 @@ static const struct e820_entry ve820_entry[VE820_ENTRIES_APL_MRB] = {
 	},
 
 	{	/* lowmem */
-		.baseaddr = 0x200000UL,		/* 2MB */
-		.length   = 0x1FE00000UL,	/* 510MB */
+		.baseaddr = 0x100000UL,		/* 1MB */
+		.length   = 0x1FF00000UL,	/* 511MB */
 		.type     = E820_TYPE_RAM
 	},
 
diff --git a/hypervisor/arch/x86/configs/dnv-cb2/ve820.c b/hypervisor/arch/x86/configs/dnv-cb2/ve820.c
index 1fb23d237..3eade9050 100644
--- a/hypervisor/arch/x86/configs/dnv-cb2/ve820.c
+++ b/hypervisor/arch/x86/configs/dnv-cb2/ve820.c
@@ -22,8 +22,8 @@ static const struct e820_entry ve820_entry[VE820_ENTRIES_DNV_CB2] = {
 	},
 
 	{	/* lowmem */
-		.baseaddr = 0x200000UL,		/* 2MB */
-		.length   = 0x7FE00000UL,	/* 2046MB */
+		.baseaddr = 0x100000UL,		/* 1MB */
+		.length   = 0x7FF00000UL,	/* 2047MB */
 		.type     = E820_TYPE_RAM
 	},
 
diff --git a/hypervisor/arch/x86/configs/nuc7i7bnh/ve820.c b/hypervisor/arch/x86/configs/nuc7i7bnh/ve820.c
index d73d0447c..15cd258ed 100644
--- a/hypervisor/arch/x86/configs/nuc7i7bnh/ve820.c
+++ b/hypervisor/arch/x86/configs/nuc7i7bnh/ve820.c
@@ -22,8 +22,8 @@ static const struct e820_entry ve820_entry[VE820_ENTRIES_KBL_NUC_i7] = {
 	},
 
 	{	/* lowmem */
-		.baseaddr = 0x200000UL,		/* 2MB */
-		.length   = 0x1FE00000UL,	/* 510MB */
+		.baseaddr = 0x100000UL,		/* 1MB */
+		.length   = 0x1FF00000UL,	/* 511MB */
 		.type     = E820_TYPE_RAM
 	},