diff --git a/.gitignore b/.gitignore
index f99e590..f4e115c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,6 @@
 #Build Script
 /uefi.img
-/boot-a72q.img
+/boot-a72q*.img
 /ramdisk
 /workspace
 
diff --git a/GalaxyA72/GalaxyA72.dsc b/GalaxyA72/GalaxyA72.dsc
index 2386e77..5ea277d 100644
--- a/GalaxyA72/GalaxyA72.dsc
+++ b/GalaxyA72/GalaxyA72.dsc
@@ -10,22 +10,6 @@
 #  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #
 
-################################################################################
-#
-# Defines Section - statements that will be processed to create a Makefile.
-#
-################################################################################
-[Defines]
-  PLATFORM_NAME                  = GalaxyA72
-  PLATFORM_GUID                  = 28f1a3bf-193a-47e3-a7b9-5a435eaab2ee
-  PLATFORM_VERSION               = 0.1
-  DSC_SPECIFICATION              = 0x00010019
-  OUTPUT_DIRECTORY               = Build/$(PLATFORM_NAME)
-  SUPPORTED_ARCHITECTURES        = AARCH64
-  BUILD_TARGETS                  = DEBUG|RELEASE
-  SKUID_IDENTIFIER               = DEFAULT
-  FLASH_DEFINITION               = GalaxyA72/GalaxyA72.fdf
-
 !include GalaxyA72/CommonDsc.dsc.inc
 
 [LibraryClasses.common]
diff --git a/GalaxyA72/GalaxyA72_6G.dsc b/GalaxyA72/GalaxyA72_6G.dsc
new file mode 100644
index 0000000..77925a8
--- /dev/null
+++ b/GalaxyA72/GalaxyA72_6G.dsc
@@ -0,0 +1,16 @@
+[Defines]
+  PLATFORM_NAME                  = GalaxyA72
+  PLATFORM_GUID                  = 28f1a3bf-193a-47e3-a7b9-5a435eaab2ee
+  PLATFORM_VERSION               = 0.1
+  DSC_SPECIFICATION              = 0x00010019
+  OUTPUT_DIRECTORY               = Build/$(PLATFORM_NAME)
+  SUPPORTED_ARCHITECTURES        = AARCH64
+  BUILD_TARGETS                  = DEBUG|RELEASE
+  SKUID_IDENTIFIER               = DEFAULT
+  FLASH_DEFINITION               = GalaxyA72/GalaxyA72.fdf
+
+!include GalaxyA72/GalaxyA72.dsc
+
+[PcdsFixedAtBuild.common]
+  # System Memory (6GB)
+  gArmTokenSpaceGuid.PcdSystemMemorySize|0x180000000
\ No newline at end of file
diff --git a/GalaxyA72/GalaxyA72_8G.dsc b/GalaxyA72/GalaxyA72_8G.dsc
new file mode 100644
index 0000000..3419375
--- /dev/null
+++ b/GalaxyA72/GalaxyA72_8G.dsc
@@ -0,0 +1,19 @@
+[Defines]
+  PLATFORM_NAME                  = GalaxyA72_8G
+  PLATFORM_GUID                  = 28f1a3bf-193a-47e3-a7b9-5a435eaab2ee
+  PLATFORM_VERSION               = 0.1
+  DSC_SPECIFICATION              = 0x00010019
+  OUTPUT_DIRECTORY               = Build/$(PLATFORM_NAME)
+  SUPPORTED_ARCHITECTURES        = AARCH64
+  BUILD_TARGETS                  = DEBUG|RELEASE
+  SKUID_IDENTIFIER               = DEFAULT
+  FLASH_DEFINITION               = GalaxyA72/GalaxyA72.fdf
+
+!include GalaxyA72/GalaxyA72.dsc
+
+[BuildOptions.common]
+  GCC:*_*_AARCH64_CC_FLAGS = -DMEMORY_8G
+
+[PcdsFixedAtBuild.common]
+  # System Memory (8GB)
+  gArmTokenSpaceGuid.PcdSystemMemorySize|0x200000000
\ No newline at end of file
diff --git a/GalaxyA72/Include/Configuration/DeviceMemoryMap.h b/GalaxyA72/Include/Configuration/DeviceMemoryMap.h
index 129675d..39f4c9d 100644
--- a/GalaxyA72/Include/Configuration/DeviceMemoryMap.h
+++ b/GalaxyA72/Include/Configuration/DeviceMemoryMap.h
@@ -30,9 +30,15 @@ static ARM_MEMORY_REGION_DESCRIPTOR_EX gDeviceMemoryDescriptorEx[] = {
     /* Address,	  Length,     ResourceType, Resource Attribute, ARM MMU
        Attribute,                  HobOption, EFI Memory Type */
        
+    #ifdef MEMORY_8G
+    {0xC0000000, 0x1C0000000, EFI_RESOURCE_SYSTEM_MEMORY,
+     SYSTEM_MEMORY_RESOURCE_ATTR_CAPABILITIES, ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK,
+     AddMem, EfiConventionalMemory},
+    #else
     {0xC0000000, 0x140000000, EFI_RESOURCE_SYSTEM_MEMORY,
      SYSTEM_MEMORY_RESOURCE_ATTR_CAPABILITIES, ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK,
      AddMem, EfiConventionalMemory},
+    #endif
 
     /*  HYP  */
     {0x80000000, 0x00600000, EFI_RESOURCE_MEMORY_RESERVED,
diff --git a/README.md b/README.md
index b8dc052..24e2b68 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,10 @@ Build
 ```
 ./build.sh
 ```
+Or this for 8Gb RAM model
+```
+./build_8G.sh
+```
 Flash
 ```
 heimdall flash --BOOT boot-a72q.img
diff --git a/build.sh b/build.sh
index 62d17e6..e92adc0 100755
--- a/build.sh
+++ b/build.sh
@@ -3,7 +3,7 @@
 set -e
 . build_common.sh
 # not actually GCC5; it's GCC7 on Ubuntu 18.04.
-GCC5_AARCH64_PREFIX=aarch64-linux-gnu- build -s -n 0 -a AARCH64 -t GCC5 -p GalaxyA72/GalaxyA72.dsc -b RELEASE
+GCC5_AARCH64_PREFIX=aarch64-linux-gnu- build -s -n 0 -a AARCH64 -t GCC5 -p GalaxyA72/GalaxyA72_6G.dsc -b RELEASE
 gzip -c < workspace/Build/GalaxyA72/RELEASE_GCC5/FV/GALAXYA72_UEFI.fd >uefi.img
 cat a72q.dtb >>uefi.img
 echo > ramdisk
diff --git a/build_8G.sh b/build_8G.sh
new file mode 100755
index 0000000..9391c61
--- /dev/null
+++ b/build_8G.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+# based on the instructions from edk2-platform
+set -e
+. build_common.sh
+# not actually GCC5; it's GCC7 on Ubuntu 18.04.
+GCC5_AARCH64_PREFIX=aarch64-linux-gnu- build -s -n 0 -a AARCH64 -t GCC5 -p GalaxyA72/GalaxyA72_8G.dsc -b RELEASE
+gzip -c < workspace/Build/GalaxyA72_8G/RELEASE_GCC5/FV/GALAXYA72_UEFI.fd >uefi.img
+cat a72q.dtb >>uefi.img
+echo > ramdisk
+abootimg --create boot-a72q_8G.img -k uefi.img -r ramdisk
\ No newline at end of file
diff --git a/build_debug.sh b/build_debug.sh
index 0ae884d..b57a347 100755
--- a/build_debug.sh
+++ b/build_debug.sh
@@ -3,8 +3,8 @@
 set -e
 . build_common.sh
 # not actually GCC5; it's GCC7 on Ubuntu 18.04.
-GCC5_AARCH64_PREFIX=aarch64-linux-gnu- build -s -n 0 -a AARCH64 -t GCC5 -p GalaxyA72/GalaxyA72.dsc
+GCC5_AARCH64_PREFIX=aarch64-linux-gnu- build -s -n 0 -a AARCH64 -t GCC5 -p GalaxyA72/GalaxyA72_6G.dsc
 gzip -c < workspace/Build/GalaxyA72/DEBUG_GCC5/FV/GALAXYA72_UEFI.fd >uefi.img
 cat a72q.dtb >>uefi.img
 echo > ramdisk
-abootimg --create boot-a72q.img -k uefi.img -r ramdisk
\ No newline at end of file
+abootimg --create boot-a72q_DEBUG.img -k uefi.img -r ramdisk
\ No newline at end of file