diff --git a/slsDetectorServers/compileAllServers_noAPIUpdate.sh b/slsDetectorServers/compileAllServers_noAPIUpdate.sh
new file mode 100644
index 000000000..2d16347b1
--- /dev/null
+++ b/slsDetectorServers/compileAllServers_noAPIUpdate.sh
@@ -0,0 +1,86 @@
+# SPDX-License-Identifier: LGPL-3.0-or-other
+# Copyright (C) 2021 Contributors to the SLS Detector Package
+
+# empty branch = developer branch in updateAPIVersion.sh
+branch=""
+det_list=("ctbDetectorServer" 
+	"gotthardDetectorServer" 
+	"gotthard2DetectorServer"
+	"jungfrauDetectorServer"
+	"mythen3DetectorServer"
+	"moenchDetectorServer"
+	)
+usage="\nUsage: compileAllServers.sh [server|all(opt)] [branch(opt)]. \n\tNo arguments mean all servers with 'developer' branch. \n\tNo 'branch' input means 'developer branch'"
+
+# arguments
+if [ $# -eq 0 ]; then
+	# no argument, all servers
+	declare -a det=${det_list[@]}
+	echo "Compiling all servers"
+elif [ $# -eq 1 ] || [ $# -eq 2 ]; then
+	# 'all' servers
+	if [[ $1 == "all" ]]; then
+		declare -a det=${det_list[@]}
+		echo "Compiling all servers"
+	else
+		# only one server
+		# arg not in list
+		if [[ $det_list != *$1* ]]; then
+			echo -e "Invalid argument 1: $1. $usage"
+			return -1
+		fi
+		declare -a det=("${1}")
+		#echo "Compiling only $1"
+	fi
+	# branch
+	if [ $# -eq 2 ]; then
+		# arg in list
+		if [[ $det_list == *$2* ]]; then
+			echo -e "Invalid argument 2: $2. $usage"
+			return -1
+		fi
+		branch+=$2
+		#echo "with branch $branch"
+	fi
+else
+	echo -e "Too many arguments.$usage"
+	return -1
+fi
+
+declare -a deterror=("OK" "OK" "OK" "OK" "OK" "OK")
+
+echo -e "list is ${det[@]}"
+
+# compile each server
+idet=0
+for i in ${det[@]}
+do
+	dir=$i
+	file="${i}_developer"
+	echo -e "Compiling $dir [$file]"
+	cd $dir
+	make clean
+	if make API_BRANCH=$branch; then
+		deterror[$idet]="OK"
+	else
+		deterror[$idet]="FAIL"
+	fi
+	mv bin/$dir bin/$file
+	git add -f bin/$file
+	cp bin/$file /tftpboot/
+	cd ..
+	echo -e "\n\n"
+	((++idet))
+done
+
+echo -e "Results:"
+idet=0
+for i in ${det[@]}
+do
+	printf "%s\t\t= %s\n" "$i" "${deterror[$idet]}"
+	((++idet))
+done
+	
+
+
+
diff --git a/slsDetectorServers/ctbDetectorServer/bin/ctbDetectorServer_developer b/slsDetectorServers/ctbDetectorServer/bin/ctbDetectorServer_developer
index f41604498..94a4ca46d 100755
Binary files a/slsDetectorServers/ctbDetectorServer/bin/ctbDetectorServer_developer and b/slsDetectorServers/ctbDetectorServer/bin/ctbDetectorServer_developer differ
diff --git a/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer b/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer
index c07767962..375cb1ae5 100755
Binary files a/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer and b/slsDetectorServers/gotthard2DetectorServer/bin/gotthard2DetectorServer_developer differ
diff --git a/slsDetectorServers/gotthardDetectorServer/bin/gotthardDetectorServer_developer b/slsDetectorServers/gotthardDetectorServer/bin/gotthardDetectorServer_developer
index 170df1ca8..6d9bd6cc4 100755
Binary files a/slsDetectorServers/gotthardDetectorServer/bin/gotthardDetectorServer_developer and b/slsDetectorServers/gotthardDetectorServer/bin/gotthardDetectorServer_developer differ
diff --git a/slsDetectorServers/jungfrauDetectorServer/bin/jungfrauDetectorServer_developer b/slsDetectorServers/jungfrauDetectorServer/bin/jungfrauDetectorServer_developer
index 655355a0b..c23c71b6b 100755
Binary files a/slsDetectorServers/jungfrauDetectorServer/bin/jungfrauDetectorServer_developer and b/slsDetectorServers/jungfrauDetectorServer/bin/jungfrauDetectorServer_developer differ
diff --git a/slsDetectorServers/moenchDetectorServer/bin/moenchDetectorServer_developer b/slsDetectorServers/moenchDetectorServer/bin/moenchDetectorServer_developer
index f111afb6d..08f813da6 100755
Binary files a/slsDetectorServers/moenchDetectorServer/bin/moenchDetectorServer_developer and b/slsDetectorServers/moenchDetectorServer/bin/moenchDetectorServer_developer differ
diff --git a/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer b/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer
index 68e9b18cc..8205a9fb3 100755
Binary files a/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer and b/slsDetectorServers/mythen3DetectorServer/bin/mythen3DetectorServer_developer differ
diff --git a/slsDetectorServers/slsDetectorServer/src/ALTERA_PLL.c b/slsDetectorServers/slsDetectorServer/src/ALTERA_PLL.c
index 2d03c673c..50fbaf540 100644
--- a/slsDetectorServers/slsDetectorServer/src/ALTERA_PLL.c
+++ b/slsDetectorServers/slsDetectorServer/src/ALTERA_PLL.c
@@ -274,7 +274,7 @@ int ALTERA_PLL_SetOuputFrequency(int clkIndex, int pllVCOFreqMhz, int value) {
                     clkIndex, value, pllVCOFreqMhz));
 
     // calculate output frequency
-    float total_div = (float)pllVCOFreqMhz / (float)value;
+    int total_div = (float)pllVCOFreqMhz / (float)value;
 
     // assume 50% duty cycle
     uint32_t low_count = total_div / 2;
@@ -282,7 +282,7 @@ int ALTERA_PLL_SetOuputFrequency(int clkIndex, int pllVCOFreqMhz, int value) {
     uint32_t odd_division = 0;
 
     // odd division
-    if (total_div > (float)(2 * low_count)) {
+    if (total_div > (2 * low_count)) {
         ++high_count;
         odd_division = 1;
     }
diff --git a/slsDetectorServers/slsDetectorServer/src/ALTERA_PLL_CYCLONE10.c b/slsDetectorServers/slsDetectorServer/src/ALTERA_PLL_CYCLONE10.c
index fcf60e68b..fe2bdc610 100644
--- a/slsDetectorServers/slsDetectorServer/src/ALTERA_PLL_CYCLONE10.c
+++ b/slsDetectorServers/slsDetectorServer/src/ALTERA_PLL_CYCLONE10.c
@@ -172,7 +172,7 @@ void ALTERA_PLL_C10_SetOuputClockDivider(int pllIndex, int clkIndex,
     uint32_t odd_division = 0;
 
     // odd division
-    if (value > (int)(2 * low_count)) {
+    if (value > (2 * low_count)) {
         ++high_count;
         odd_division = 1;
     }