diff --git a/cpp-rllm/Cargo.toml b/cpp-rllm/Cargo.toml
index 7da01129..a9708a45 100644
--- a/cpp-rllm/Cargo.toml
+++ b/cpp-rllm/Cargo.toml
@@ -13,5 +13,5 @@ name = "cpp-rllm"
 path = "src/cpp-rllm.rs"
 
 [features]
-default = ["cuda"]
+default = []
 cuda = ["llama_cpp_low/cuda"]
diff --git a/cpp-rllm/cpp-server.sh b/cpp-rllm/cpp-server.sh
index 1af4124a..6d73343e 100755
--- a/cpp-rllm/cpp-server.sh
+++ b/cpp-rllm/cpp-server.sh
@@ -15,17 +15,27 @@ if [ "X$P" != "X" ] ; then
   kill $P
 fi
 
-if [ "$1" = bench ] ; then
+VER="--no-default-features"
+
+if [ "$1" = gpu ] ; then
     REL=--release
+    VER="$VER --features cuda"
     shift
-fi
-
-if [ "$1" = cpu ] ; then
-    REL="--release --no-default-features"
+elif [ "$1" = cpu ] ; then
+    REL=--release
     shift
+elif [ "$1" = debug ] ; then
+    REL=
+    shift
+else
+    echo "usage: $0 [gpu|cpu|debug] [phi2|orca|build]"
+    exit 1
 fi
 
 case "$1" in
+  phi2 )
+    ARGS="-m https://huggingface.co/TheBloke/phi-2-GGUF/blob/main/phi-2.Q8_0.gguf -t phi"
+    ;;
   orca )
     ARGS="-m https://huggingface.co/TheBloke/Orca-2-13B-GGUF/blob/main/orca-2-13b.Q8_0.gguf -t orca"
     ;;
@@ -34,7 +44,7 @@ case "$1" in
     REL=--release
     ;;
   * )
-    echo "try one of models: phi, phi2, 7b, code, code34" 
+    echo "try one of models: phi2, orca" 
     exit 1
     ;;
 esac
@@ -44,7 +54,7 @@ ARGS="--verbose --port 8080 --aicirt $BIN/release/aicirt $ARGS $ADD_ARGS"
 
 (cd ../aicirt; cargo build --release)
 
-cargo build $REL
+cargo build $REL $VER
 
 if [ "$BUILD" = "1" ] ; then
     exit