diff --git a/tools/modelsim/set_modelsim b/tools/modelsim/set_modelsim
index e480d066d5ea970fbdc621552fab2bac7a8c94ac..1af0d22e272f31e755e14e04f2d29853c899922d 100755
--- a/tools/modelsim/set_modelsim
+++ b/tools/modelsim/set_modelsim
@@ -37,10 +37,13 @@ if [ "${TOOLSET}" = "unb1" ]; then
   . ${RADIOHDL}/tools/quartus/quartus_version.sh 11.1
   . ${RADIOHDL}/tools/modelsim/modelsim_version.sh 6.6c
 elif [ "${TOOLSET}" = "unb2" ]; then
-  #. ${RADIOHDL}/tools/quartus/quartus_version.sh 13.1
   . ${RADIOHDL}/tools/quartus/quartus_version.sh 14.1
   . ${RADIOHDL}/tools/modelsim/modelsim_version.sh 10.4
   export LD_PRELOAD=/home/software/freetype2/usr/lib/libfreetype.so
+elif [ "${TOOLSET}" = "unb233" ]; then
+  # unb233 = toolset unb2 on dop233
+  . ${RADIOHDL}/tools/quartus/quartus_version.sh 14.1
+  . ${RADIOHDL}/tools/modelsim/modelsim_version.sh 10.2c
 else
   echo "error: unknown tool setting: ${TOOLSET} (choose 'unb1' or 'unb2')"
   exit 1
diff --git a/tools/quartus/run_altera_simlib_comp b/tools/quartus/run_altera_simlib_comp
index 1f7dde5d2b96d0182d5c9a962751295170f0e665..e07c5475fce5c410dabd16c8c188f7110c014347 100755
--- a/tools/quartus/run_altera_simlib_comp
+++ b/tools/quartus/run_altera_simlib_comp
@@ -31,51 +31,52 @@
 #   Another advantage of using this script is that it can be kept in SVN and that it avoids having to explain how to do it manually
 #   via the GUI.
 # Usage:
-#   Assume $MODEL_TECH_ALTERA_LIB=/home/software/modelsim_altera_libs/14.0a10
+#   Assume $MODEL_TECH_ALTERA_LIB=/home/software/modelsim_altera_libs/14.1
 #
 #   First run the script in some user directory that where $RADIOHDL is known. Use the output directory that will fit the
 #   $MODEL_TECH_ALTERA_LIB that is defined in quartus_version.sh in set_quartus.
 #   The FPGA device family library needs to be compiled separately. To compile the vhdl and verilog for the arria10 library for the
 #   unb2 tool settings defined in set_quartus and set_modelsim do:
 #
-#   > run_altera_simlib_comp unb2 14.0a10 arria10
+#   > run_altera_simlib_comp unb2 14.1 stratixiv
+#   > run_altera_simlib_comp unb2 14.1 arria10
 #
 #   Then use 'sudo' to move the directory to the protected central project directory that is set by $MODEL_TECH_ALTERA_LIB.
 #
-#   > sudo mv 14.0a10 /home/software/modelsim_altera_libs
+#   > sudo mv 14.1 /home/software/modelsim_altera_libs
 #   
 
 # 1) General tool and project settings
 # - use '. <script>.sh' to have the settings apply in this shell, otherwise they get lost when <script>.sh returns
 
-# Tool settings for selected target "", "unb1", or "unb2" (where "" defaults to target "unb1")
-TARGET=${1:-}
-if [ "${TARGET}" = "" ]; then
-  unb_error $0 "Please specify all arguments\nUsage: $0 <tool target> <compilation output directory> <FPGA device family>"
+# Tool settings for selected target "", "unb1", or "unb2" (where "" defaults to "unb1")
+TOOLSET=${1:-}
+if [ "${TOOLSET}" = "" ]; then
+  unb_error $0 "Please specify all arguments\nUsage: $0 <toolset> <compilation output directory> <FPGA device family>"
 fi
 
 # Select output directory for the library compilation results
 OUTPUT_DIR=${2:-}
 if [ "${OUTPUT_DIR}" = "" ]; then
-  unb_error $0 "Please specify all arguments\nUsage: $0 <tool target> <compilation output directory> <FPGA device family>"
+  unb_error $0 "Please specify all arguments\nUsage: $0 <toolset> <compilation output directory> <FPGA device family>"
 fi
 
 # Select FPGA device family for the library compilation
 FAMILY=${3:-}
 if [ "${FAMILY}" = "" ]; then
-  unb_error $0 "Please specify all arguments\nUsage: $0 <tool target> <compilation output directory> <FPGA device family>"
+  unb_error $0 "Please specify all arguments\nUsage: $0 <toolset> <compilation output directory> <FPGA device family>"
 fi
 
 echo ""
 echo "Create Altera libraries for simulation with the following settings:"
-echo "    - Tool target       : ${TARGET}"
+echo "    - Toolset target    : ${TOOLSET}"
 echo "    - Output directory  : ${OUTPUT_DIR}"
 echo "    - FPGA device family: ${FAMILY}"
 echo ""
 
 # Tool settings for selected target
-. ${RADIOHDL}/tools/quartus/set_quartus ${TARGET}
-. ${RADIOHDL}/tools/modelsim/set_modelsim ${TARGET}
+. ${RADIOHDL}/tools/quartus/set_quartus ${TOOLSET}
+. ${RADIOHDL}/tools/modelsim/set_modelsim ${TOOLSET}
 
 
 # 2) Create Modelsim .do file for compiling the Altera simulation libraries
@@ -123,7 +124,7 @@ mv ../${FAMILY}_vhdl.log .
 #
 #    file.txt = the file name 
 
-if [ "${TARGET}" = "unb2" ]; then
+if [ "${TOOLSET}" != "unb1" ]; then
   sed -i 's/vlib/vlib -type directory/g' ${FAMILY}_verilog.do
   sed -i 's/vlib/vlib -type directory/g' ${FAMILY}_vhdl.do
 fi
diff --git a/tools/quartus/set_quartus b/tools/quartus/set_quartus
index 8dc1f4ed318c59d9cfcc45db66ad710c9b18ff25..40b16646fca2a62ee34b24503b9046905cb3cb08 100755
--- a/tools/quartus/set_quartus
+++ b/tools/quartus/set_quartus
@@ -37,6 +37,9 @@ if [ "${TOOLSET}" = "unb1" ]; then
   . ${RADIOHDL}/tools/quartus/quartus_version.sh 11.1
 elif [ "${TOOLSET}" = "unb2" ]; then
   . ${RADIOHDL}/tools/quartus/quartus_version.sh 14.1
+elif [ "${TOOLSET}" = "unb233" ]; then
+  # unb233 = toolset unb2 on dop233  
+  . ${RADIOHDL}/tools/quartus/quartus_version.sh 14.1
 else
   echo "error: unknown tool setting: ${TOOLSET} (choose 'unb1' or 'unb2')"
   exit 1