diff --git a/TODO b/TODO
index f74e98527b5939dc1309cd49d86ece76aa188113..e1fed73e3a2917bb722f3f705aa1e96ca580e72c 100644
--- a/TODO
+++ b/TODO
@@ -1,4 +1,4 @@
-NuttX TODO List (Last updated September 13, 2010)
+NuttX TODO List (Last updated September 30, 2010)
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
   (5)  Task/Scheduler (sched/)
@@ -34,7 +34,7 @@ NuttX TODO List (Last updated September 13, 2010)
   (2)  Hitachi/Renesas SH-1 (arch/sh/src/sh1)
   (4)  Renesas M16C/26 (arch/sh/src/m16c)
   (8)  z80/z8/ez80 (arch/z80/)
-  (9)  z16 (arch/z16/)
+  (8)  z16 (arch/z16/)
   (1)  mc68hc1x (arch/hc)
 
 o Task/Scheduler (sched/)
@@ -1167,10 +1167,6 @@ o z16 (arch/z16)
   Status:      Open
   Priority:    Low
 
-  Description: Upgrade to the ZDS-II ZNEO 4.11.1 toolchain
-  Status:      Open
-  Priority:    Low
-
   Description: The file drivers/mmcsd/mmcsd_sdio.c generates an internal compiler
                error like:
  
diff --git a/configs/z16f2800100zcog/README.txt b/configs/z16f2800100zcog/README.txt
index 9c7fc762acffd140afd19a4ad7627eeac179483a..3eb6f5908183989c704b8d6f62729799499fbc50 100644
--- a/configs/z16f2800100zcog/README.txt
+++ b/configs/z16f2800100zcog/README.txt
@@ -1,6 +1,8 @@
 README.txt
 ^^^^^^^^^^
 
+This is the README file for the NuttX port to the ZiLog ZNEO MCU.
+
 ZDS-II Compiler Versions
 ^^^^^^^^^^^^^^^^^^^^^^^^
 
@@ -23,10 +25,17 @@ ZDS-II Compiler Versions
   - The Pascal add-on interpreter includes a large switch statement and
     exposes another compiler problem.  This is reported as incident 81459.
 
-If you use any version of ZDS-II other than 4.11.0 or if you install ZDS-II
+4.11.1
+  As of this writing (30 September 2010), the latest release of ZDS-II for the
+  ZNEO is 4.11.1.  It is unknown if this release includes fixes for incidents
+  81400 and 81459 or not.  It is unknown if the code will run without -reduceopt
+  either. (Basically, it compiles with 4.11.1, but is untested with that version).
+
+If you use any version of ZDS-II other than 4.11.1 or if you install ZDS-II
 at any location other than the default location, you will have to modify
 two files:  (1) configs/z16f2800100zcog/*/setenv.sh and (2)
-configs/z16f2800100zcog/*/Make.defs.
+configs/z16f2800100zcog/*/Make.defs.  Simply edit these two files, changing
+4.11.1 to whatever.
 
 Configuration Subdirectories
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -41,7 +50,7 @@ following steps:
 
    cd <nuttx-top-directory>/tools
    ./configure.sh z16f2800100zcog/<sub-directory>
-   cd <nuttx-top-directgory>
+   cd <nuttx-top-directory>
    make
 
 Where <sub-directory> is the specific board configuration that you
diff --git a/configs/z16f2800100zcog/ostest/Make.defs b/configs/z16f2800100zcog/ostest/Make.defs
index be82296e58aedc8655d6df2ff092dba801206cdf..5bafe5553278d3dc75ddc3e99db104f00c9e0403 100644
--- a/configs/z16f2800100zcog/ostest/Make.defs
+++ b/configs/z16f2800100zcog/ostest/Make.defs
@@ -1,7 +1,7 @@
 ############################################################################
 # configs/z16f2800100zcog/ostest/Make.defs
 #
-#   Copyright (C) 2008 Gregory Nutt. All rights reserved.
+#   Copyright (C) 2008, 2010 Gregory Nutt. All rights reserved.
 #   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
 #
 # Redistribution and use in source and binary forms, with or without
@@ -37,7 +37,7 @@ include ${TOPDIR}/.config
 
 # These are the directories where the ZNeo-II toolchain is installed
 
-ZDSINSTALLDIR		:= C:/Program\ Files/ZiLOG/ZDSII_ZNEO_4.11.0
+ZDSINSTALLDIR		:= C:/Program\ Files/ZiLOG/ZDSII_ZNEO_4.11.1
 ZDSBINDIR		:= $(ZDSINSTALLDIR)/bin
 ZDSSTDINCDIR		:= $(ZDSINSTALLDIR)/include/std
 ZDSZILOGINCDIR		:= $(ZDSINSTALLDIR)/include/zilog
diff --git a/configs/z16f2800100zcog/ostest/setenv.sh b/configs/z16f2800100zcog/ostest/setenv.sh
index c68caf2d4597686daa8258d315883bb7eb4c50a2..5a7bf2779af3ff267f310314e5b3b4a59ae677c1 100755
--- a/configs/z16f2800100zcog/ostest/setenv.sh
+++ b/configs/z16f2800100zcog/ostest/setenv.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 # configs/z16f2800100zcog/ostest/setenv.sh
 #
-#   Copyright (C) 2008 Gregory Nutt. All rights reserved.
+#   Copyright (C) 2008, 2010 Gregory Nutt. All rights reserved.
 #   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
 #
 # Redistribution and use in source and binary forms, with or without
@@ -42,9 +42,9 @@ fi
 # The ZDS-II toolchain lies outside of the Cygwin "sandbox" and
 # attempts to set the PATH variable do not have the desired effect.
 # Instead, alias are provided for all of the ZDS-II command line tools.
-# Version 4.11.0 installed in the default location is assumed here.
+# Version 4.11.1 installed in the default location is assumed here.
 #
-ZDSBINDIR="C:/Program\ Files/ZiLOG/ZDSII_ZNEO_4.11.0/bin"
+ZDSBINDIR="C:/Program\ Files/ZiLOG/ZDSII_ZNEO_4.11.1/bin"
 alias zneoasm="${ZDSBINDIR}/zneoasm.exe"
 alias zneocc="${ZDSBINDIR}/zneocc.exe"
 alias zneolib="${ZDSBINDIR}/zneolib.exe"
diff --git a/configs/z16f2800100zcog/pashello/Make.defs b/configs/z16f2800100zcog/pashello/Make.defs
index 19fa125e5e0468728856f6dcc2fe43750a868d56..266eb519ba99d9b37fcdd37780e50d67c792dc70 100755
--- a/configs/z16f2800100zcog/pashello/Make.defs
+++ b/configs/z16f2800100zcog/pashello/Make.defs
@@ -1,7 +1,7 @@
 ############################################################################
 # configs/z16f2800100zcog/pashello/Make.defs
 #
-#   Copyright (C) 2008 Gregory Nutt. All rights reserved.
+#   Copyright (C) 2008, 2010 Gregory Nutt. All rights reserved.
 #   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
 #
 # Redistribution and use in source and binary forms, with or without
@@ -37,7 +37,7 @@ include ${TOPDIR}/.config
 
 # These are the directories where the ZNeo-II toolchain is installed
 
-ZDSINSTALLDIR		:= C:/Program\ Files/ZiLOG/ZDSII_ZNEO_4.11.0
+ZDSINSTALLDIR		:= C:/Program\ Files/ZiLOG/ZDSII_ZNEO_4.11.1
 ZDSBINDIR		:= $(ZDSINSTALLDIR)/bin
 ZDSSTDINCDIR		:= $(ZDSINSTALLDIR)/include/std
 ZDSZILOGINCDIR		:= $(ZDSINSTALLDIR)/include/zilog
diff --git a/configs/z16f2800100zcog/pashello/setenv.sh b/configs/z16f2800100zcog/pashello/setenv.sh
index 40846da4b670449d3a757b7c26680f6e44cb65f9..982461b2469c283d9dd209d7b9538e32622c889b 100755
--- a/configs/z16f2800100zcog/pashello/setenv.sh
+++ b/configs/z16f2800100zcog/pashello/setenv.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 # z16f2800100zcog/setenv.sh
 #
-#   Copyright (C) 2008 Gregory Nutt. All rights reserved.
+#   Copyright (C) 2008, 2010 Gregory Nutt. All rights reserved.
 #   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
 #
 # Redistribution and use in source and binary forms, with or without
@@ -42,10 +42,10 @@ fi
 # The ZDS-II toolchain lies outside of the Cygwin "sandbox" and
 # attempts to set the PATH variable do not have the desired effect.
 # Instead, alias are provided for all of the ZDS-II command line tools.
-# Version 4.11.0 installed in the default location is assumed here.
+# Version 4.11.1 installed in the default location is assumed here.
 #
-ZDSBINDIR="C:/Program\ Files/ZiLOG/ZDSII_ZNEO_4.11.0/bin"
+ZDSBINDIR="C:/Program\ Files/ZiLOG/ZDSII_ZNEO_4.11.1/bin"
 alias zneoasm="${ZDSBINDIR}/zneoasm.exe"
 alias zneocc="${ZDSBINDIR}/zneocc.exe"
 alias zneolib="${ZDSBINDIR}/zneolib.exe"
-alias zneolink="${ZDSBINDIR}/zneolink.exe"
\ No newline at end of file
+alias zneolink="${ZDSBINDIR}/zneolink.exe"