diff --git a/ipxe-update.sh b/ipxe-update.sh
index c42abdd8..e7af33ea 100755
--- a/ipxe-update.sh
+++ b/ipxe-update.sh
@@ -11,38 +11,101 @@ EFI=bin-${ARCH}-efi/ipxe.efi
 PCBIOS_output=`pwd`/staticfiles/${ARCH}.kpxe
 EFI_output=`pwd`/staticfiles/${ARCH}.efi
 
-set -xe
-
+SYSBIOS="/usr/share/ipxe/undionly.kpxe"
+SYSEFI="/usr/share/ipxe/ipxe-${ARCH}.efi"
 
 TMPDIR=`mktemp -d /tmp/ipxebuild.XXXXXX`
-if [ -f "$1" ] ; then
-  WRKDIR=`pwd`
-  cd "$TMPDIR"
-  tar xzf $WRKDIR/$1
-else
+
+usage() {
+  echo "Usage: $(basename $0) 
+        [-s] (install efi and bios from system location)
+        [-g] (build from git repo and install built efi and bios)
+        [-h] (help)
+        [-f] ipxe_source_gz_file (build from given tar.gz ipxe file and install built efi and bios)
+       "
+  exit 1
+}
+
+sysbuild() {
+  if [ -f "${SYSEFI}" ] ; then
+    cp $SYSEFI $EFI_output
+  else
+    echo "No such file or directory: ${SYSEFI}, try 'dnf install ipxe-bootimgs-x86'"
+    exit 1
+  fi
+  
+  if [ -f "${SYSBIOS}" ] ; then
+    cp $SYSBIOS $PCBIOS_output
+  else
+    echo "No such file or directory: ${SYSBIOS}, try 'dnf install ipxe-bootimgs-x86'"
+    exit 1
+  fi
+
+  echo "copy ${SYSEFI} and ${SYSBIOS} done"
+}
+
+gitbuild() {
   cd "$TMPDIR"
   git clone --depth 1 --branch $VERSION https://github.com/ipxe/ipxe.git
-fi
+  build
+}
 
-cd ipxe*/src
+filebuild() {
+  TARGET_PATH=$1
+  case $TARGET_PATH in 
+    /*) ;;
+    *)
+     TARGET_PATH=`pwd`/$TARGET_PATH
+     ;;
+  esac
+  if [ -f "${TARGET_PATH}" ] ; then
+    cd "$TMPDIR"
+    tar xzf $TARGET_PATH
+    build $TARGET_PATH
+  else
+    echo "No such file $TARGET_PATH"
+    exit 1
+  fi
+}
 
-sed -i.bak \
-    -e 's,//\(#define.*CONSOLE_SERIAL.*\),\1,' \
-    -e 's,//\(#define.*CONSOLE_FRAMEBUFFER.*\),\1,' \
-    config/console.h
+build() {
+  cd ipxe*/src
 
-sed -i.bak \
-    -e 's,//\(#define.*IMAGE_ZLIB.*\),\1,' \
-    -e 's,//\(#define.*IMAGE_GZIP.*\),\1,' \
-    -e 's,//\(#define.*VLAN_CMD.*\),\1,' \
-    config/general.h
+  sed -i.bak \
+      -e 's,//\(#define.*CONSOLE_SERIAL.*\),\1,' \
+      -e 's,//\(#define.*CONSOLE_FRAMEBUFFER.*\),\1,' \
+      config/console.h
 
-make -j 8 $PCBIOS "$@"
-make -j 8 $EFI "$@"
+  sed -i.bak \
+      -e 's,//\(#define.*IMAGE_ZLIB.*\),\1,' \
+      -e 's,//\(#define.*IMAGE_GZIP.*\),\1,' \
+      -e 's,//\(#define.*VLAN_CMD.*\),\1,' \
+      config/general.h
 
+  make -j 8 $PCBIOS "$@"
+  make -j 8 $EFI "$@"
 
-cp $PCBIOS $PCBIOS_output
-cp $EFI $EFI_output
+  cp $PCBIOS $PCBIOS_output
+  cp $EFI $EFI_output
 
+  echo "copy ${PCBIOS} and ${EFI} done"
+}
+
+while getopts 'sghdf:' c
+do
+ case $c in
+  s) sysbuild 
+     break 
+     ;;
+  g) gitbuild 
+     break 
+     ;;
+  f) filebuild $OPTARG 
+     break
+     ;;
+  h|*) usage 
+     ;;
+ esac
+done
 
 rm -rf "$TMPDIR"