diff --git a/BaS_gcc/bas.lk.in b/BaS_gcc/bas.lk.in
index a83aa0a..4ddb96d 100644
--- a/BaS_gcc/bas.lk.in
+++ b/BaS_gcc/bas.lk.in
@@ -73,6 +73,7 @@ SECTIONS
 #if (TARGET_ADDRESS < 0x1FFFFFFF && TARGET_ADDRESS > 0)
 		. = ALIGN(16);
 		_usb_buffer = .;
+		. = . + USB_BUFFER_SIZE;
 #endif
 
 #if (FORMAT == elf32-m68k)
diff --git a/BaS_gcc/include/firebee.h b/BaS_gcc/include/firebee.h
index 1699027..a1a7497 100644
--- a/BaS_gcc/include/firebee.h
+++ b/BaS_gcc/include/firebee.h
@@ -30,11 +30,11 @@
 #define SYSCLK		132000
 
 #define BOOTFLASH_BASE_ADDRESS	0xE0000000
-#define BOOTFLASH_SIZE			0x800000
+#define BOOTFLASH_SIZE			0x800000		/* FireBee has 8 MByte Flash */
 #define BOOTFLASH_BAM			(BOOTFLASH_SIZE - 1)
 
 #define SDRAM_START				0x00000000	/* start at address 0 */
-#define SDRAM_SIZE				0x20000000	/* 512 kb on the Firebee */
+#define SDRAM_SIZE				0x20000000	/* 512 MB on the Firebee */
 
 #ifdef COMPILE_RAM
 #define TARGET_ADDRESS  (SDRAM_START + SDRAM_SIZE - 0x100000)
diff --git a/BaS_gcc/include/m5484l.h b/BaS_gcc/include/m5484l.h
index 2bc2740..d9370f4 100644
--- a/BaS_gcc/include/m5484l.h
+++ b/BaS_gcc/include/m5484l.h
@@ -1,6 +1,32 @@
 #ifndef _M5484L_H_
 #define _M5484L_H_
 
+/*
+ * m5484l.h
+ *
+ * preprocessor definitions for the M5484LITE machine. This file should contain nothing but preprocessor
+ * definition that evaluate to numbers. It is intended for use in C sources as well as in linker control
+ * files, so care must be taken to not break the syntax of either one.
+ * 
+ * This file is part of BaS_gcc.
+ *
+ * BaS_gcc is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * BaS_gcc is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with BaS_gcc.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *  Created on: 26.02.2013
+ *      Author: Markus Fröschle
+ */
+
 #define SYSCLK			100000
 
 #define BOOTFLASH_BASE_ADDRESS	0xE0000000