diff --git a/configs/us7032evb1/ostest/defconfig b/configs/us7032evb1/ostest/defconfig
index 4a56242c8d..51f4f5aba0 100644
--- a/configs/us7032evb1/ostest/defconfig
+++ b/configs/us7032evb1/ostest/defconfig
@@ -94,7 +94,7 @@ CONFIG_SH1_ITU2=n
 CONFIG_SH1_ITU3=n
 CONFIG_SH1_ITU4=n
 CONFIG_SH1_SCI0=y
-CONFIG_SH1_SCI1=y
+CONFIG_SH1_SCI1=n
 CONFIG_SH1_PCU=n
 CONFIG_SH1_AD=n
 CONFIG_SH1_WDT=n
@@ -116,9 +116,9 @@ CONFIG_SH1_CMI=n
 #
 CONFIG_SCI0_SERIAL_CONSOLE=y
 CONFIG_SCI1_SERIAL_CONSOLE=n
-CONFIG_SCI0_TXBUFSIZE=256
+CONFIG_SCI0_TXBUFSIZE=64
 CONFIG_SCI1_TXBUFSIZE=256
-CONFIG_SCI0_RXBUFSIZE=256
+CONFIG_SCI0_RXBUFSIZE=32
 CONFIG_SCI1_RXBUFSIZE=256
 CONFIG_SCI0_BAUD=9600
 CONFIG_SCI1_BAUD=9600
@@ -194,8 +194,8 @@ CONFIG_RR_INTERVAL=0
 CONFIG_SCHED_INSTRUMENTATION=n
 CONFIG_TASK_NAME_SIZE=0
 CONFIG_START_YEAR=2008
-CONFIG_START_MONTH=10
-CONFIG_START_DAY=1
+CONFIG_START_MONTH=11
+CONFIG_START_DAY=10
 CONFIG_JULIAN_TIME=n
 CONFIG_DEV_CONSOLE=y
 CONFIG_DEV_LOWCONSOLE=y
@@ -215,11 +215,11 @@ CONFIG_DEV_LOWCONSOLE=y
 # o pthread_condtimedwait() depends on signals to wake
 #   up waiting tasks.
 #
-CONFIG_DISABLE_CLOCK=n
-CONFIG_DISABLE_POSIX_TIMERS=n
-CONFIG_DISABLE_PTHREAD=n
-CONFIG_DISABLE_SIGNALS=n
-CONFIG_DISABLE_MQUEUE=n
+CONFIG_DISABLE_CLOCK=y
+CONFIG_DISABLE_POSIX_TIMERS=y
+CONFIG_DISABLE_PTHREAD=y
+CONFIG_DISABLE_SIGNALS=y
+CONFIG_DISABLE_MQUEUE=y
 CONFIG_DISABLE_MOUNTPOINT=y
 CONFIG_DISABLE_ENVIRON=y
 
@@ -229,7 +229,7 @@ CONFIG_DISABLE_ENVIRON=y
 # CONFIG_NOPRINTF_FIELDWIDTH - sprintf-related logic is a
 #   little smaller if we do not support fieldwidthes
 #
-CONFIG_NOPRINTF_FIELDWIDTH=n
+CONFIG_NOPRINTF_FIELDWIDTH=y
 
 #
 # Allow for architecture optimized implementations
@@ -285,19 +285,19 @@ CONFIG_ARCH_KFREE=n
 #   timer structures to minimize dynamic allocations.  Set to
 #   zero for all dynamic allocations.
 #
-CONFIG_MAX_TASKS=16
+CONFIG_MAX_TASKS=8
 CONFIG_MAX_TASK_ARGS=4
-CONFIG_NPTHREAD_KEYS=4
+CONFIG_NPTHREAD_KEYS=0
 CONFIG_NFILE_DESCRIPTORS=8
 CONFIG_NFILE_STREAMS=8
 CONFIG_NAME_MAX=32
-CONFIG_STDIO_BUFFER_SIZE=256
-CONFIG_NUNGET_CHARS=2
-CONFIG_PREALLOC_MQ_MSGS=4
-CONFIG_MQ_MAXMSGSIZE=32
+CONFIG_STDIO_BUFFER_SIZE=0
+CONFIG_NUNGET_CHARS=0
+CONFIG_PREALLOC_MQ_MSGS=0
+CONFIG_MQ_MAXMSGSIZE=0
 CONFIG_MAX_WDOGPARMS=2
 CONFIG_PREALLOC_WDOGS=4
-CONFIG_PREALLOC_TIMERS=4
+CONFIG_PREALLOC_TIMERS=0
 
 #
 # Filesystem configuration
@@ -397,29 +397,6 @@ CONFIG_USBDEV_MAXPOWER=100
 CONFIG_USBDEV_TRACE=n
 CONFIG_USBDEV_TRACE_NRECORDS=128
 
-#
-# STR71X USB Configuration
-#
-# CONFIG_STR71X_USBDEV_FRAME_INTERRUPT
-#   Handle USB Start-Of-Frame events. 
-#   Enable reading SOF from interrupt handler vs. simply reading on demand.
-#   Probably a bad idea... Unless there is some issue with sampling the SOF
-#   from hardware asynchronously.
-# CONFIG_STR71X_USBDEV_EPFAST_INTERRUPT
-#   Enable high priority interrupts.  I have no idea why you might want to
-#   do that
-# CONFIG_STR71X_USBDEV_NDMADESCRIPTORS
-#   Number of DMA descriptors to allocate in the 8Kb USB RAM.  This is a
-#   tradeoff between the number of DMA channels that can be supported vs
-#   the size of the DMA buffers available.
-# CONFIG_STR71X_USBDEV_DMA
-#   Enable str71x-specific DMA support
-CONFIG_STR71X_USBDEV_FRAME_INTERRUPT=n
-CONFIG_STR71X_USBDEV_EPFAST_INTERRUPT=n
-CONFIG_STR71X_USBDEV_DMA=n
-CONFIG_STR71X_USBDEV_NDMADESCRIPTORS=0
-CONFIG_STR71X_USBDEV_DMAINTMASK=0
-
 #
 # USB Serial Device Configuration
 #
@@ -434,7 +411,7 @@ CONFIG_STR71X_USBDEV_DMAINTMASK=0
 # CONFIG_USBSER_EPBULKIN
 #   The logical 7-bit address of a hardware endpoint that supports
 #   bulk IN operation
-# # CONFIG_USBSER_NWRREQS and CONFIG_USBSER_NRDREQS
+# CONFIG_USBSER_NWRREQS and CONFIG_USBSER_NRDREQS
 #   The number of write/read requests that can be in flight
 # CONFIG_USBSER_VENDORID and CONFIG_USBSER_VENDORSTR
 #   The vendor ID code/string
@@ -577,8 +554,8 @@ CONFIG_EXAMPLES_NSH_MMCSDMINOR=0
 CONFIG_BOOT_FROM_FLASH=n
 CONFIG_CUSTOM_STACK=n
 CONFIG_STACK_POINTER=
-CONFIG_PROC_STACK_SIZE=2048
+CONFIG_PROC_STACK_SIZE=1024
 CONFIG_PTHREAD_STACK_MIN=256
-CONFIG_PTHREAD_STACK_DEFAULT=2048
+CONFIG_PTHREAD_STACK_DEFAULT=1024
 CONFIG_HEAP_BASE=
 CONFIG_HEAP_SIZE=