diff --git a/boards.txt b/boards.txt
index e98359138..58599892c 100644
--- a/boards.txt
+++ b/boards.txt
@@ -71,6 +71,14 @@ generic.menu.UploadSpeed.512000.upload.speed=512000
 generic.menu.UploadSpeed.921600=921600
 generic.menu.UploadSpeed.921600.upload.speed=921600
 
+generic.menu.FlashSize.512K128=512K (128K SPIFFS)
+generic.menu.FlashSize.512K128.build.flash_size=512K
+generic.menu.FlashSize.512K128.build.flash_ld=eagle.flash.512k128.ld
+generic.menu.FlashSize.512K128.build.spiffs_start=0x5B000
+generic.menu.FlashSize.512K128.build.spiffs_end=0x7B000
+generic.menu.FlashSize.512K128.build.spiffs_blocksize=4096
+generic.menu.FlashSize.512K128.upload.maximum_size=368624
+
 generic.menu.FlashSize.512K64=512K (64K SPIFFS)
 generic.menu.FlashSize.512K64.build.flash_size=512K
 generic.menu.FlashSize.512K64.build.flash_ld=eagle.flash.512k64.ld
diff --git a/tools/sdk/ld/eagle.flash.512k128.ld b/tools/sdk/ld/eagle.flash.512k128.ld
new file mode 100644
index 000000000..87ce60da6
--- /dev/null
+++ b/tools/sdk/ld/eagle.flash.512k128.ld
@@ -0,0 +1,19 @@
+/* Flash Split for 512K chips */
+/* sketch 359KB */
+/* spiffs 128KB */
+/* eeprom 20KB */
+
+MEMORY
+{
+  dport0_0_seg :                        org = 0x3FF00000, len = 0x10
+  dram0_0_seg :                         org = 0x3FFE8000, len = 0x14000
+  iram1_0_seg :                         org = 0x40100000, len = 0x8000
+  irom0_0_seg :                         org = 0x40201010, len = 0x59ff0
+}
+
+PROVIDE ( _SPIFFS_start = 0x4025B000 );
+PROVIDE ( _SPIFFS_end = 0x4027B000 );
+PROVIDE ( _SPIFFS_page = 0x100 );
+PROVIDE ( _SPIFFS_block = 0x1000 );
+
+INCLUDE "../ld/eagle.app.v6.common.ld"