diff --git a/configs/README.txt b/configs/README.txt
index 152a456458..560aa2a114 100644
--- a/configs/README.txt
+++ b/configs/README.txt
@@ -211,8 +211,8 @@ defconfig -- This is a configuration file similar to the Linux
 	options configure the make system build a extra link object. This link object
 	is assumed to be an incremental (relative) link object, but could be a static
 	library (archive) (some modification to this Makefile would be required if
-	CONFIG_PASS1_OBJECT is an archive). Pass 1 1ncremental (relative) link objects
-	should be put into the processor-specific source directory (where other
+	CONFIG_PASS1_TARGET generates an archive). Pass 1 1ncremental (relative) link
+	objects	should be put into the processor-specific source directory (where other
 	link objects will be created).  If the pass1 obect is an archive, it could
 	go anywhere.
 
@@ -220,12 +220,18 @@ defconfig -- This is a configuration file similar to the Linux
 
 	When the two pass build option is enabled, the following also apply:
 
-		CONFIG_PASS1_OBJECT - The name of the first pass object.
+		CONFIG_PASS1_TARGET - The name of the first pass build target.  This
+		  can be specific build target, a special build target (all, default, etc.)
+		  or may just be left undefined.
 		CONFIG_PASS1_BUILDIR - The path, relative to the top NuttX build
 		  directory to directory that contains the Makefile to build the
 		  first pass object.  The Makefile must support the following targets:
-		  - The special target arch/$(CONFIG_ARCH)/src/$(CONFIG_PASS1_OBJECT)
+		  - The special target CONFIG_PASS1_TARGET (if defined)
 		  - and the usual depend, clean, and distclean targets.
+		CONFIG_PASS1_OBJECT - May be used to include an extra, pass1 object
+		  into the final link.  This would probably be the object generated
+		  from the CONFIG_PASS1_TARGET.  It may be available at link time
+		  in the arch/<architecture>/src directory.
 
 	General OS setup
 
diff --git a/configs/demo9s12ne64/ostest/defconfig b/configs/demo9s12ne64/ostest/defconfig
index 80cec002f1..b5b4327598 100755
--- a/configs/demo9s12ne64/ostest/defconfig
+++ b/configs/demo9s12ne64/ostest/defconfig
@@ -189,7 +189,8 @@ CONFIG_HAVE_LIBM=n
 #
 CONFIG_BUILD_2PASS=n
 CONFIG_PASS1_BUILDIR=configs/demo9s12ne64/initrel
-CONFIG_PASS1_OBJECT=init.r
+CONFIG_PASS1_TARGET=init.r
+CONFIG_PASS1_OBJECT=
 
 #
 # General OS setup
diff --git a/configs/ea3131/locked/Makefile b/configs/ea3131/locked/Makefile
index 0537815780..50c6c8a1d2 100755
--- a/configs/ea3131/locked/Makefile
+++ b/configs/ea3131/locked/Makefile
@@ -77,7 +77,7 @@ PASS1_LIBGCC	= "${shell $(CC) -print-libgcc-file-name}"
 
 # Targets:
 
-all: locked.r
+all: $(PASS1_SRCDIR)/locked.r
 
 .PHONY:	depend clean distclean
 
diff --git a/configs/ea3131/pgnsh/defconfig b/configs/ea3131/pgnsh/defconfig
index 859b606be5..aa18038b99 100755
--- a/configs/ea3131/pgnsh/defconfig
+++ b/configs/ea3131/pgnsh/defconfig
@@ -203,6 +203,7 @@ CONFIG_HAVE_LIBM=n
 #
 CONFIG_BUILD_2PASS=y
 CONFIG_PASS1_BUILDIR=configs/ea3131/locked
+CONFIG_PASS1_TARGET=all
 CONFIG_PASS1_OBJECT=locked.r
 
 #
diff --git a/configs/ne64badge/ostest/defconfig b/configs/ne64badge/ostest/defconfig
index 47ce5e58b1..61f09986d7 100755
--- a/configs/ne64badge/ostest/defconfig
+++ b/configs/ne64badge/ostest/defconfig
@@ -200,7 +200,8 @@ CONFIG_HAVE_LIBM=n
 #
 CONFIG_BUILD_2PASS=n
 CONFIG_PASS1_BUILDIR=configs/ne64badge/initrel
-CONFIG_PASS1_OBJECT=init.r
+CONFIG_PASS1_TARGET=init.r
+CONFIG_PASS1_OBJECT=
 
 #
 # General OS setup
diff --git a/configs/sam3u-ek/README.txt b/configs/sam3u-ek/README.txt
index e077cbfbc0..2a10ddc70a 100755
--- a/configs/sam3u-ek/README.txt
+++ b/configs/sam3u-ek/README.txt
@@ -306,12 +306,25 @@ can be selected as follow:
 	cd -
 	. ./setenv.sh
 
-Where <subdir> is one of the following:
+Before sourcing the setenv.sh file above, you should examine it and perform
+edits as necessary so that BUILDROOT_BIN is the correct path to the directory
+than holds your toolchain binaries.
+
+And then build NuttX by simply typing the following.  At the conclusion of
+the make, the nuttx binary will reside in an ELF file called, simply, nuttx.
+
+	make
+
+The <subdir> that is provided above as an argument to the tools/configure.sh
+must be is one of the following:
 
   knsh:
     This is identical to the nsh configuration below except that NuttX
     is built as a kernel-mode, monolithic module and the user applications
-    are built separately.
+    are built separately.  This build requires a special make command; not
+    just 'make' but make with the following two arguments:
+
+	make pass1 pass2
 
   nsh:
     Configures the NuttShell (nsh) located at examples/nsh.  The
diff --git a/configs/sam3u-ek/kernel/Makefile b/configs/sam3u-ek/kernel/Makefile
index dd3e1892c4..0bffda7c0c 100755
--- a/configs/sam3u-ek/kernel/Makefile
+++ b/configs/sam3u-ek/kernel/Makefile
@@ -67,6 +67,8 @@ all: $(TOPDIR)/nuttx_user.elf $(TOPDIR)/User.map $(BOARD_INCLUDE)/user_map.h
 
 nuttx_user.elf:
 	@echo "LD:  nuttx_user.elf"
+	echo "USER_LDLIBS: $(USER_LDLIBS)"
+	echo "USER_LIBPATHS: $(USER_LIBPATHS)"
 	@$(LD) -o $@ $(USER_LDFLAGS) $(USER_LIBPATHS) --start-group $(USER_LDLIBS) --end-group $(USER_LIBGCC) 
 
 $(TOPDIR)/nuttx_user.elf: nuttx_user.elf
diff --git a/configs/sam3u-ek/kernel/kernel.ld b/configs/sam3u-ek/kernel/kernel.ld
index 88ec560001..72f79d9d71 100644
--- a/configs/sam3u-ek/kernel/kernel.ld
+++ b/configs/sam3u-ek/kernel/kernel.ld
@@ -64,6 +64,7 @@ MEMORY
 
 OUTPUT_ARCH(arm)
 ENTRY(user_start)
+EXTERN(user_start)
 SECTIONS
 {
 	.text : {
diff --git a/configs/sam3u-ek/knsh/Make.defs b/configs/sam3u-ek/knsh/Make.defs
index d735f887a2..83e766d770 100755
--- a/configs/sam3u-ek/knsh/Make.defs
+++ b/configs/sam3u-ek/knsh/Make.defs
@@ -117,7 +117,7 @@ LDNXFLATFLAGS = -e main -s 2048
 
 OBJEXT = .o
 LIBEXT = .a
-EXEEXT = .elf
+EXEEXT =
 
 ifneq ($(CROSSDEV),arm-elf-)
   LDFLAGS += -nostartfiles -nodefaultlibs
diff --git a/configs/sam3u-ek/knsh/defconfig b/configs/sam3u-ek/knsh/defconfig
index b59ac08bf8..b6aa4aba28 100755
--- a/configs/sam3u-ek/knsh/defconfig
+++ b/configs/sam3u-ek/knsh/defconfig
@@ -212,6 +212,7 @@ CONFIG_HAVE_LIBM=n
 #
 CONFIG_BUILD_2PASS=y
 CONFIG_PASS1_BUILDIR=configs/sam3u-ek/kernel
+CONFIG_PASS1_TARGET=all
 CONFIG_PASS1_OBJECT=
 
 #
diff --git a/configs/vsn/include/nsh_romfsimg.h b/configs/vsn/include/nsh_romfsimg.h
index 2ac240ec84..7fa7c28ee7 100755
--- a/configs/vsn/include/nsh_romfsimg.h
+++ b/configs/vsn/include/nsh_romfsimg.h
@@ -1,6 +1,6 @@
 unsigned char romfs_img[] = {
-  0x2d, 0x72, 0x6f, 0x6d, 0x31, 0x66, 0x73, 0x2d, 0x00, 0x00, 0x02, 0x10,
-  0x85, 0xc5, 0xa3, 0x6a, 0x4e, 0x53, 0x48, 0x49, 0x6e, 0x69, 0x74, 0x56,
+  0x2d, 0x72, 0x6f, 0x6d, 0x31, 0x66, 0x73, 0x2d, 0x00, 0x00, 0x02, 0x00,
+  0x95, 0x7e, 0x5e, 0x1a, 0x4e, 0x53, 0x48, 0x49, 0x6e, 0x69, 0x74, 0x56,
   0x6f, 0x6c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x49,
   0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0xd1, 0xff, 0xff, 0x97,
   0x2e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -15,12 +15,12 @@ unsigned char romfs_img[] = {
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, 0x60,
   0x00, 0x00, 0x00, 0x00, 0xd1, 0xff, 0xfe, 0xe0, 0x2e, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-  0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x30,
-  0x8d, 0x9c, 0xab, 0xc6, 0x72, 0x63, 0x53, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x1c,
+  0x8d, 0x9c, 0xab, 0xda, 0x72, 0x63, 0x53, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x65, 0x63, 0x68, 0x6f,
-  0x20, 0x22, 0x56, 0x53, 0x4e, 0x20, 0x42, 0x6f, 0x61, 0x72, 0x64, 0x20,
-  0x31, 0x2e, 0x32, 0x2c, 0x20, 0x77, 0x77, 0x77, 0x2e, 0x6e, 0x65, 0x74,
-  0x63, 0x6c, 0x61, 0x6d, 0x70, 0x73, 0x2e, 0x63, 0x6f, 0x6d, 0x22, 0x0a,
+  0x20, 0x22, 0x56, 0x53, 0x4e, 0x20, 0x4e, 0x75, 0x74, 0x74, 0x58, 0x20,
+  0x36, 0x2e, 0x31, 0x2c, 0x20, 0x77, 0x77, 0x77, 0x2e, 0x6e, 0x65, 0x74,
+  0x43, 0x6c, 0x61, 0x6d, 0x70, 0x73, 0x2e, 0x63, 0x6f, 0x6d, 0x22, 0x0a,
   0x0a, 0x23, 0x20, 0x43, 0x72, 0x65, 0x61, 0x74, 0x65, 0x20, 0x61, 0x20,
   0x52, 0x41, 0x4d, 0x44, 0x49, 0x53, 0x4b, 0x20, 0x61, 0x6e, 0x64, 0x20,
   0x6d, 0x6f, 0x75, 0x6e, 0x74, 0x20, 0x69, 0x74, 0x20, 0x61, 0x74, 0x20,
@@ -30,19 +30,19 @@ unsigned char romfs_img[] = {
   0x64, 0x65, 0x76, 0x2f, 0x72, 0x61, 0x6d, 0x31, 0x0a, 0x23, 0x6d, 0x6f,
   0x75, 0x6e, 0x74, 0x20, 0x2d, 0x74, 0x20, 0x76, 0x66, 0x61, 0x74, 0x20,
   0x2f, 0x64, 0x65, 0x76, 0x2f, 0x72, 0x61, 0x6d, 0x31, 0x20, 0x2f, 0x74,
-  0x6d, 0x70, 0x0a, 0x0a, 0x65, 0x63, 0x68, 0x6f, 0x20, 0x22, 0x4d, 0x6f,
-  0x75, 0x6e, 0x74, 0x69, 0x6e, 0x67, 0x20, 0x46, 0x52, 0x41, 0x4d, 0x20,
-  0x74, 0x6f, 0x20, 0x2f, 0x75, 0x73, 0x72, 0x20, 0x61, 0x6e, 0x64, 0x20,
-  0x53, 0x44, 0x63, 0x61, 0x72, 0x64, 0x20, 0x74, 0x6f, 0x20, 0x2f, 0x73,
-  0x64, 0x63, 0x61, 0x72, 0x64, 0x22, 0x0a, 0x0a, 0x72, 0x61, 0x6d, 0x74,
-  0x72, 0x6f, 0x6e, 0x20, 0x73, 0x74, 0x61, 0x72, 0x74, 0x20, 0x33, 0x0a,
-  0x6d, 0x6f, 0x75, 0x6e, 0x74, 0x20, 0x2d, 0x74, 0x20, 0x76, 0x66, 0x61,
-  0x74, 0x20, 0x2f, 0x64, 0x65, 0x76, 0x2f, 0x6d, 0x74, 0x64, 0x62, 0x6c,
-  0x6f, 0x63, 0x6b, 0x30, 0x20, 0x2f, 0x75, 0x73, 0x72, 0x0a, 0x0a, 0x73,
-  0x64, 0x63, 0x61, 0x72, 0x64, 0x20, 0x73, 0x74, 0x61, 0x72, 0x74, 0x20,
-  0x30, 0x0a, 0x6d, 0x6f, 0x75, 0x6e, 0x74, 0x20, 0x2d, 0x74, 0x20, 0x76,
-  0x66, 0x61, 0x74, 0x20, 0x2f, 0x64, 0x65, 0x76, 0x2f, 0x6d, 0x6d, 0x63,
-  0x73, 0x64, 0x30, 0x20, 0x2f, 0x73, 0x64, 0x63, 0x61, 0x72, 0x64, 0x0a,
+  0x6d, 0x70, 0x0a, 0x0a, 0x6d, 0x6f, 0x75, 0x6e, 0x74, 0x20, 0x2d, 0x74,
+  0x20, 0x62, 0x69, 0x6e, 0x66, 0x73, 0x20, 0x2f, 0x64, 0x65, 0x76, 0x2f,
+  0x72, 0x61, 0x6d, 0x30, 0x20, 0x2f, 0x73, 0x62, 0x69, 0x6e, 0x0a, 0x0a,
+  0x72, 0x61, 0x6d, 0x74, 0x72, 0x6f, 0x6e, 0x20, 0x73, 0x74, 0x61, 0x72,
+  0x74, 0x20, 0x33, 0x0a, 0x6d, 0x6f, 0x75, 0x6e, 0x74, 0x20, 0x2d, 0x74,
+  0x20, 0x76, 0x66, 0x61, 0x74, 0x20, 0x2f, 0x64, 0x65, 0x76, 0x2f, 0x6d,
+  0x74, 0x64, 0x62, 0x6c, 0x6f, 0x63, 0x6b, 0x30, 0x20, 0x2f, 0x75, 0x73,
+  0x72, 0x0a, 0x0a, 0x73, 0x64, 0x63, 0x61, 0x72, 0x64, 0x20, 0x73, 0x74,
+  0x61, 0x72, 0x74, 0x20, 0x30, 0x0a, 0x6d, 0x6f, 0x75, 0x6e, 0x74, 0x20,
+  0x2d, 0x74, 0x20, 0x76, 0x66, 0x61, 0x74, 0x20, 0x2f, 0x64, 0x65, 0x76,
+  0x2f, 0x6d, 0x6d, 0x63, 0x73, 0x64, 0x30, 0x20, 0x2f, 0x73, 0x64, 0x63,
+  0x61, 0x72, 0x64, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
diff --git a/configs/vsn/include/rcS.template b/configs/vsn/include/rcS.template
index 32f0df4e13..c7cd93cd46 100755
--- a/configs/vsn/include/rcS.template
+++ b/configs/vsn/include/rcS.template
@@ -1,11 +1,11 @@
-echo "VSN Board 1.2, www.netclamps.com"
+echo "VSN NuttX 6.1, www.netClamps.com"
 
 # Create a RAMDISK and mount it at XXXRDMOUNTPOUNTXXX
 #mkrd -m XXXMKRDMINORXXX -s XXMKRDSECTORSIZEXXX XXMKRDBLOCKSXXX
 #mkfatfs /dev/ramXXXMKRDMINORXXX
 #mount -t vfat /dev/ramXXXMKRDMINORXXX XXXRDMOUNTPOUNTXXX
 
-echo "Mounting FRAM to /usr and SDcard to /sdcard"
+mount -t binfs /dev/ram0 /sbin
 
 ramtron start 3
 mount -t vfat /dev/mtdblock0 /usr
diff --git a/configs/vsn/nsh/defconfig b/configs/vsn/nsh/defconfig
index 1d2bbe0c94..b51342cb52 100755
--- a/configs/vsn/nsh/defconfig
+++ b/configs/vsn/nsh/defconfig
@@ -145,7 +145,7 @@ CONFIG_STM32_FSMC=n
 CONFIG_STM32_SDIO=y
 # APB1:
 CONFIG_STM32_TIM2=n
-CONFIG_STM32_TIM3=n
+CONFIG_STM32_TIM3=y
 CONFIG_STM32_TIM4=n
 CONFIG_STM32_TIM5=n
 CONFIG_STM32_TIM6=n
@@ -157,8 +157,8 @@ CONFIG_STM32_USART2=n
 CONFIG_STM32_USART3=n
 CONFIG_STM32_UART4=n
 CONFIG_STM32_UART5=n
-CONFIG_STM32_I2C1=n
-CONFIG_STM32_I2C2=n
+CONFIG_STM32_I2C1=y
+CONFIG_STM32_I2C2=y
 CONFIG_STM32_USB=n
 CONFIG_STM32_CAN=n
 CONFIG_STM32_BKP=n
@@ -169,7 +169,7 @@ CONFIG_STM32_ADC1=n
 CONFIG_STM32_ADC2=n
 CONFIG_STM32_TIM1=n
 CONFIG_STM32_SPI1=n
-CONFIG_STM32_TIM8=n
+CONFIG_STM32_TIM8=y
 CONFIG_STM32_USART1=y
 CONFIG_STM32_ADC3=n
 
@@ -248,6 +248,11 @@ CONFIG_SSI1_DISABLE=y
 CONFIG_SSI_POLLWAIT=y
 #CONFIG_SSI_TXLIMIT=4
 
+#
+# OS support for I2C
+#
+CONFIG_I2C=y
+
 #
 # General build options
 #
diff --git a/configs/vsn/src/sif.c b/configs/vsn/src/sif.c
index c1813df83e..a10072ac5a 100644
--- a/configs/vsn/src/sif.c
+++ b/configs/vsn/src/sif.c
@@ -70,7 +70,7 @@
 
 #include <nuttx/config.h>
 #include <nuttx/fs.h>
-#include <nuttx/i2c.h>
+#include <nuttx/i2c/i2c.h>
 #include <semaphore.h>
 
 #include <stdio.h>
@@ -80,6 +80,7 @@
 #include <errno.h>
 
 #include "vsn.h"
+#include <nuttx/i2c/st_lis331dl.h>
 
 
 /****************************************************************************
@@ -272,23 +273,6 @@ int sif_gpios_unlock(vsn_sif_state_t peripheral)
 }
 
 
-/****************************************************************************
- * ST LIS331DL
- ****************************************************************************/ 
-
-void st_lis331dl_open(void)
-{
-}
-
-
-void st_lis331dl_config(void)
-{
-}
-
-
-void st_lis331dl_getreadings(void)
-{
-}
 
 
 /****************************************************************************
@@ -518,7 +502,32 @@ int sif_main(int argc, char *argv[])
             STM32_TIM_SETCOMPARE(vsn_sif.tim8, GPIO_OUT_PWRPWM_TIM8_CH, val);
             return 0;
         }
-        else if (!strcmp(argv[1], "c")) {
+        else if (!strcmp(argv[1], "i2c") && argc == 3) {
+            int val = atoi(argv[2]);
+            struct st_lis331dl_dev_s * lis = st_lis331dl_init(vsn_sif.i2c1, val);
+
+            if (lis) {
+                struct st_lis331dl_vector_s * a;
+                int i;
+                
+                /* Sample some values */
+                
+                for (i=0; i<20; i++) {
+                    if ( (a = st_lis331dl_getreadings(lis)) ) 
+                        printf("%d %d %d\n", a->x, a->y, a->z);
+                    else {
+                        printf("Readings errno %d\n", errno);
+                        break;
+                    }
+                    fflush(stdout);
+                    usleep(100000);
+                }
+                
+                st_lis331dl_deinit(lis);
+            }
+            else printf("Exit point: errno=%d\n", errno);
+
+            return 0;
         }
     }