diff --git a/config/memory.scm b/config/memory.scm
index 3a5ef6e..1cd5784 100644
--- a/config/memory.scm
+++ b/config/memory.scm
@@ -1,15 +1,35 @@
 (define memories '(
-        (memory LowCode
-                (address (#x008000 . #x00FFFF))
-                (section code)
-                (section cdata)
-				(section idata)
-				(section inear)
-                (section switch)
+        (memory HighRAM
+                (address (#x010000 . #x017FFF))
+				(section farcode)
+				(section fardata)
+				(section far)
+				(section cfar)
+				(section chuge)
 				(section data_init_table)
+				(section switch)
+				(section itiny)
+				(section inear)
+				(section ifar)
+				(section ihuge)
+				(type ram)
+        )
+
+        (memory HighBSS
+                (address (#x018000 . #x01FFFF))
+				(section heap)
+				(section huge)
+				(section zhuge)
+				(section zfar)
+				(type ram)
+        )
+
+        (memory MidRAM
+                (address (#x00E000 . #x00FFFF))
+				(section code)
+				(section cnear)
 				(section reset)
-				(section (boot #x008000))
-                (type rom)
+				(type ram)
         )
 
         (memory IOSpace
@@ -17,13 +37,11 @@
                 (section (VERAIOPort #x00DF00))
         )
 
-        (memory LowData
-                (address (#x001000 . #x007FFF))
-                (section near)
-                (section data)
-                (section znear)
-                (section zdata)
-				(section heap)
+        (memory LowRAM
+                (address (#x001000 . #x00DEFF))
+				(section znear)
+				(section near)
+				(type ram)
         )
 
         (memory stack
@@ -48,5 +66,5 @@
 
         (base-address _DirectPageStart DirectPage 0)
 
-        (base-address _NearBaseAddress LowData    0)
+        (base-address _NearBaseAddress LowRAM    0)
 ))
diff --git a/config/sdk-config.mk b/config/sdk-config.mk
index 5d5def4..1a269ce 100644
--- a/config/sdk-config.mk
+++ b/config/sdk-config.mk
@@ -11,15 +11,15 @@ MEMORY_MAP := config/memory.scm
 
 CFLAGS := --include-system=include/libc \
 		  -I include \
-		  --code-model=small \
-		  --data-model=small \
+		  --code-model=large \
+		  --data-model=huge \
 		  --64bit-doubles \
 		  --strong-inline \
 		  --force-switch jump-table
 
 ASFLAGS := -I include \
-		   --code-model=small \
-		   --data-model=small
+		   --code-model=large \
+		   --data-model=huge
 
 ifeq ($(RELEASE), "true")
 CFLAGS += -DNDEBUG \
@@ -40,14 +40,6 @@ CFLAGS += --debug \
 ASFLAGS += --debug
 endif
 
-LDFLAGS := $(MEMORY_MAP) \
-	   --list-file build.lst \
-	   --rom-code \
-	   --output-format raw \
-	   --raw-multiple-memories \
-	   --verbose \
-	   --cstartup=sentinel65x
-
 ifeq ($(ENABLE_RELEASE_BUILD), "true")
 CFLAGS += -DRELEASE_BUILD
 CFLAGS += -DNDEBUG
@@ -57,6 +49,12 @@ endif
 
 LIBS := build/libc.a
 
+LDFLAGS := $(MEMORY_MAP) \
+	   --rtattr cstartup=sentinel65x \
+	   --list-file build.lst \
+	   --verbose \
+	   --output-format pgz
+
 KERNEL_SRC_C := $(wildcard src/*.c) \
 	    	    $(wildcard src/*/*.c) \
 	    	    $(wildcard src/*/*/*.c) \
diff --git a/config/sdk-targets.mk b/config/sdk-targets.mk
index 35d649b..21c1ebb 100644
--- a/config/sdk-targets.mk
+++ b/config/sdk-targets.mk
@@ -1,5 +1,5 @@
 .PHONY: all
-all: build/sentinel-kernel.bin
+all: build/kernel.pgz
 
 .PHONY: clean
 clean:
@@ -7,6 +7,7 @@ clean:
 		-name '*.pgz' -o \
 		-name '*.bin' -o \
 		-name '*.elf' -o \
+		-name '*.raw' -o \
 		-name '*.a' \
 	\) -delete
 	@find src -type f \( \
@@ -29,10 +30,8 @@ clean:
 	@printf '%s' "$(dir $@)" > $@
 	@$(CC) $(CFLAGS) --dependencies $< >> $@
 
-build/sentinel-kernel.bin: $(KERNEL_OBJ)
+build/kernel.pgz: $(KERNEL_OBJ)
 	@echo "Linking $@..."
-#	@$(AR) $@ $^
-	$(LD) $(LDFLAGS) -o $@ $^
-	@rm -f $@
-	@mv build/sentinel-kernel.raw $@
+	@$(LD) $(LDFLAGS) -o $@ $^
+
 -include $(KERNEL_DEP)
diff --git a/include/.DS_Store b/include/.DS_Store
index 5008ddf..256d3ef 100644
Binary files a/include/.DS_Store and b/include/.DS_Store differ
diff --git a/src/.DS_Store b/src/.DS_Store
index 5008ddf..21bd2cc 100644
Binary files a/src/.DS_Store and b/src/.DS_Store differ
diff --git a/src/cstartup.s b/src/cstartup.s
index 49a98cc..de9d6c0 100644
--- a/src/cstartup.s
+++ b/src/cstartup.s
@@ -43,12 +43,10 @@ __program_root_section:
 ;;; ***************************************************************************
 
 #ifdef __CALYPSI_CODE_MODEL_COMPACT__
-	      .section boot
+	      .section code
 #else
-              .section boot, noreorder
+              .section code, noreorder
 #endif
-
-			  .asciz "WDC"
               .pubweak __program_start
 __program_start:
               clc