diff --git a/SheepShaver/Makefile b/SheepShaver/Makefile
index a6ac0715..7944315f 100644
--- a/SheepShaver/Makefile
+++ b/SheepShaver/Makefile
@@ -67,7 +67,7 @@ links:
 	       Unix/video_blit.cpp Unix/config.sub Unix/config.guess Unix/m4 \
 	       Unix/keycodes Unix/tunconfig Unix/clip_unix.cpp Unix/Irix/audio_irix.cpp \
 	       Unix/Linux/scsi_linux.cpp Unix/Linux/NetDriver Unix/ether_unix.cpp \
-	       Unix/rpc.h Unix/rpc_unix.cpp Unix/Darwin/mkstandalone \
+	       Unix/rpc.h Unix/rpc_unix.cpp Unix/ldscripts Unix/Darwin/mkstandalone \
 	       Unix/Darwin/lowmem.c Unix/Darwin/pagezero.c Unix/Darwin/testlmem.sh \
 	       dummy/audio_dummy.cpp dummy/clip_dummy.cpp dummy/serial_dummy.cpp \
 	       dummy/prefs_editor_dummy.cpp dummy/scsi_dummy.cpp SDL slirp \
diff --git a/SheepShaver/src/Unix/configure.ac b/SheepShaver/src/Unix/configure.ac
index b0d6dd12..ef48f1be 100644
--- a/SheepShaver/src/Unix/configure.ac
+++ b/SheepShaver/src/Unix/configure.ac
@@ -1485,6 +1485,39 @@ if [[ "x$HAVE_IPA" = "xyes" ]]; then
   LDFLAGS="$LDFLAGS -O3 -OPT:Olimit=0 -IPA"
 fi
 
+dnl Check for linker script support
+case $target_os:$target_cpu in
+linux*:i?86)    LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-i386.ld";;
+linux*:x86_64)  LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-x86_64.ld";;
+linux*:powerpc) LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-ppc.ld";;
+netbsd*:i?86)   LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/linux-i386.ld";;
+freebsd*:i?86)  LINKER_SCRIPT_FLAGS="-Wl,-T,ldscripts/freebsd-i386.ld";;
+darwin*:*)      LINKER_SCRIPT_FLAGS="-Wl,-seg1addr,0x78048000";;
+esac
+if [[ -n "$LINKER_SCRIPT_FLAGS" ]]; then
+  AC_CACHE_CHECK([whether linker script is usable],
+    ac_cv_linker_script_works, [
+    AC_LANG_SAVE
+    AC_LANG_CPLUSPLUS
+    saved_LDFLAGS="$LDFLAGS"
+    LDFLAGS="$LDFLAGS $LINKER_SCRIPT_FLAGS"
+    AC_TRY_RUN(
+      [int main() {if ((char *)&main < (char *)0x70000000) return 1;}],
+      [ac_cv_linker_script_works=yes],
+      [ac_cv_linker_script_works=no],
+      dnl When cross-compiling, assume it works
+      [ac_cv_linker_script_works="guessing yes"]
+    )
+    AC_LANG_RESTORE
+    if [[ "$ac_cv_linker_script_works" = "no" ]]; then
+      LDFLAGS="$saved_LDFLAGS"
+      LINKER_SCRIPT_FLAGS=""
+    fi
+  ])
+fi
+AC_TRANSLATE_DEFINE(HAVE_LINKER_SCRIPT, "$ac_cv_linker_script_works",
+  [Define if there is a linker script to relocate the executable above 0x70000000.])
+
 dnl Generate Makefile.
 AC_SUBST(PERL)
 AC_SUBST(USE_DYNGEN, [$ac_cv_use_dyngen])
diff --git a/SheepShaver/src/Unix/main_unix.cpp b/SheepShaver/src/Unix/main_unix.cpp
index 8d32c48f..7c4f3997 100644
--- a/SheepShaver/src/Unix/main_unix.cpp
+++ b/SheepShaver/src/Unix/main_unix.cpp
@@ -369,6 +369,7 @@ int main(int argc, char **argv)
 	uint32 rom_size, actual;
 	uint8 *rom_tmp;
 	time_t now, expire;
+	bool memory_mapped_from_zero;
 
 	// Initialize variables
 	RAMBase = 0;
@@ -743,16 +744,6 @@ int main(int argc, char **argv)
 		goto quit;
 	}
 
-#ifndef PAGEZERO_HACK
-	// Create Low Memory area (0x0000..0x3000)
-	if (vm_mac_acquire(0, 0x3000) < 0) {
-		sprintf(str, GetString(STR_LOW_MEM_MMAP_ERR), strerror(errno));
-		ErrorAlert(str);
-		goto quit;
-	}
-	lm_area_mapped = true;
-#endif
-
 	// Create areas for Kernel Data
 	if (!kernel_data_init())
 		goto quit;
@@ -815,13 +806,32 @@ int main(int argc, char **argv)
 		WarningAlert(GetString(STR_SMALL_RAM_WARN));
 		RAMSize = 8*1024*1024;
 	}
-
-	if (vm_mac_acquire(RAM_BASE, RAMSize) < 0) {
-		sprintf(str, GetString(STR_RAM_MMAP_ERR), strerror(errno));
-		ErrorAlert(str);
-		goto quit;
+	memory_mapped_from_zero = false;
+#if REAL_ADDRESSING && HAVE_LINKER_SCRIPT
+	if (vm_mac_acquire(0, RAMSize) == 0) {
+		D(bug("Could allocate RAM from 0x0000\n"));
+		RAMBase = 0;
+		memory_mapped_from_zero = true;
 	}
-	RAMBaseHost = Mac2HostAddr(RAM_BASE);
+#endif
+	if (!memory_mapped_from_zero) {
+#ifndef PAGEZERO_HACK
+		// Create Low Memory area (0x0000..0x3000)
+		if (vm_mac_acquire(0, 0x3000) < 0) {
+			sprintf(str, GetString(STR_LOW_MEM_MMAP_ERR), strerror(errno));
+			ErrorAlert(str);
+			goto quit;
+		}
+		lm_area_mapped = true;
+#endif
+		if (vm_mac_acquire(RAM_BASE, RAMSize) < 0) {
+			sprintf(str, GetString(STR_RAM_MMAP_ERR), strerror(errno));
+			ErrorAlert(str);
+			goto quit;
+		}
+		RAMBase = RAM_BASE;
+	}
+	RAMBaseHost = Mac2HostAddr(RAMBase);
 #if !EMULATED_PPC
 	if (vm_protect(RAMBaseHost, RAMSize, VM_PAGE_READ | VM_PAGE_WRITE | VM_PAGE_EXECUTE) < 0) {
 		sprintf(str, GetString(STR_RAM_MMAP_ERR), strerror(errno));
@@ -829,7 +839,6 @@ int main(int argc, char **argv)
 		goto quit;
 	}
 #endif
-	RAMBase = RAM_BASE;
 	ram_area_mapped = true;
 	D(bug("RAM area at %p (%08x)\n", RAMBaseHost, RAMBase));
 
@@ -985,7 +994,7 @@ static void Quit(void)
 
 	// Delete RAM area
 	if (ram_area_mapped)
-		vm_mac_release(RAM_BASE, RAMSize);
+		vm_mac_release(RAMBase, RAMSize);
 
 	// Delete ROM area
 	if (rom_area_mapped)