diff --git a/devicemodel/samples/apl-mrb/launch_uos.sh b/devicemodel/samples/apl-mrb/launch_uos.sh
index 66b8914b8..74e999054 100755
--- a/devicemodel/samples/apl-mrb/launch_uos.sh
+++ b/devicemodel/samples/apl-mrb/launch_uos.sh
@@ -72,8 +72,8 @@ passthru_bdf=(
 
 function launch_clearlinux()
 {
-if [ ! -f "/data/$5/$5.img" ]; then
-  echo "no /data/$5/$5.img, exit"
+if [ ! -f "/data/$4/$4.img" ]; then
+  echo "no /data/$4/$4.img, exit"
   exit
 fi
 
@@ -83,7 +83,7 @@ vm_name=vm$1
 mac_seed=${mac:9:8}-${vm_name}
 
 # create a unique tap device for each VM
-tap=tap_$6
+tap=tap_$5
 tap_exist=$(ip a | grep "$tap" | awk '{print $1}')
 if [ "$tap_exist"x != "x" ]; then
   echo "tap device existed, reuse $tap"
@@ -169,7 +169,7 @@ if [ "$setup_mem" != "" ];then
 fi
 
 boot_dev_flag=",b"
-if [ $7 == 1 ];then
+if [ $6 == 1 ];then
   boot_image_option="--vsbl /usr/share/acrn/bios/VSBL_debug.bin"
 else
   boot_image_option="--vsbl /usr/share/acrn/bios/VSBL.bin"
@@ -181,7 +181,7 @@ intr_storm_monitor="--intr_monitor 10000,10,1,100"
 
 acrn-dm --help 2>&1 | grep 'GVT args'
 if [ $? == 0 ];then
-  GVT_args=$3
+  GVT_args=$2
   boot_GVT_option=" -s 0:2:0,pci-gvt -G "
 else
   boot_GVT_option=''
@@ -189,11 +189,11 @@ else
 fi
 
 
-acrn-dm -A -m $mem_size -c $2$boot_GVT_option"$GVT_args" -s 0:0,hostbridge -s 1:0,lpc -l com1,stdio \
+acrn-dm -A -m $mem_size $boot_GVT_option"$GVT_args" -s 0:0,hostbridge -s 1:0,lpc -l com1,stdio \
   -s 5,virtio-console,@pty:pty_port \
   -s 6,virtio-hyper_dmabuf \
   -s 8,wdt-i6300esb \
-  -s 3,virtio-blk$boot_dev_flag,/data/$5/$5.img \
+  -s 3,virtio-blk$boot_dev_flag,/data/$4/$4.img \
   -s 4,virtio-net,$tap $boot_image_option \
   -s 7,xhci,1-1:1-2:1-3:2-1:2-2:2-3:cap=apl \
   -s 9,passthru,0/15/1 \
@@ -205,19 +205,19 @@ acrn-dm -A -m $mem_size -c $2$boot_GVT_option"$GVT_args" -s 0:0,hostbridge -s 1:
   -i /run/acrn/ioc_$vm_name,0x20 \
   -l com2,/run/acrn/ioc_$vm_name \
   --pm_notify_channel ioc \
-  -B "root=/dev/vda2 rw rootwait maxcpus=$2 nohpet console=hvc0 \
+  -B "root=/dev/vda2 rw rootwait nohpet console=hvc0 \
   snd_soc_skl_virtio_fe.domain_id=1 \
   snd_soc_skl_virtio_fe.domain_name="GuestOS" \
   console=ttyS0 no_timer_check ignore_loglevel log_buf_len=16M \
-  consoleblank=0 tsc=reliable i915.avail_planes_per_pipe=$4 i915.enable_guc_loading=0 \
+  consoleblank=0 tsc=reliable i915.avail_planes_per_pipe=$3 i915.enable_guc_loading=0 \
   i915.enable_hangcheck=0 i915.nuclear_pageflip=1 \
   i915.enable_guc_submission=0 i915.enable_guc=0" $vm_name
 }
 
 function launch_android()
 {
-if [ ! -f "/data/$5/$5.img" ]; then
-  echo "no /data/$5/$5.img, exit"
+if [ ! -f "/data/$4/$4.img" ]; then
+  echo "no /data/$4/$4.img, exit"
   exit
 fi
 
@@ -227,7 +227,7 @@ vm_name=vm$1
 mac_seed=${mac:9:8}-${vm_name}
 
 # create a unique tap device for each VM
-tap=tap_$6
+tap=tap_$5
 tap_exist=$(ip a | grep "$tap" | awk '{print $1}')
 if [ "$tap_exist"x != "x" ]; then
   echo "tap device existed, reuse $tap"
@@ -355,15 +355,15 @@ if [ "$setup_mem" != "" ];then
     mem_size=$setup_mem
 fi
 
-kernel_cmdline_generic="maxcpus=$2 nohpet tsc=reliable intel_iommu=off \
+kernel_cmdline_generic="nohpet tsc=reliable intel_iommu=off \
    androidboot.serialno=$ser \
    snd_soc_skl_virtio_fe.domain_id=1 \
    snd_soc_skl_virtio_fe.domain_name="GuestOS" \
-   i915.enable_rc6=1 i915.enable_fbc=1 i915.enable_guc_loading=0 i915.avail_planes_per_pipe=$4 \
+   i915.enable_rc6=1 i915.enable_fbc=1 i915.enable_guc_loading=0 i915.avail_planes_per_pipe=$3 \
    i915.enable_hangcheck=0 use_nuclear_flip=1 i915.enable_guc_submission=0 i915.enable_guc=0"
 
 boot_dev_flag=",b"
-if [ $7 == 1 ];then
+if [ $6 == 1 ];then
   boot_image_option="--vsbl /usr/share/acrn/bios/VSBL_debug.bin"
 else
   boot_image_option="--vsbl /usr/share/acrn/bios/VSBL.bin"
@@ -389,16 +389,16 @@ intr_storm_monitor="--intr_monitor 10000,10,1,100"
 
 acrn-dm --help 2>&1 | grep 'GVT args'
 if [ $? == 0 ];then
-  GVT_args=$3
+  GVT_args=$2
   boot_GVT_option=" -s 2,pci-gvt -G "
 else
   boot_GVT_option=''
   GVT_args=''
 fi
 
- acrn-dm -A -m $mem_size -c $2$boot_GVT_option"$GVT_args" -s 0:0,hostbridge -s 1:0,lpc -l com1,stdio $npk_virt\
+ acrn-dm -A -m $mem_size $boot_GVT_option"$GVT_args" -s 0:0,hostbridge -s 1:0,lpc -l com1,stdio $npk_virt\
    -s 9,virtio-net,$tap \
-   -s 3,virtio-blk$boot_dev_flag,/data/$5/$5.img \
+   -s 3,virtio-blk$boot_dev_flag,/data/$4/$4.img \
    -s 7,xhci,1-1:1-2:1-3:2-1:2-2:2-3:cap=apl \
    -s 8,passthru,0/15/1 \
    -s 13,virtio-rpmb \
@@ -576,23 +576,23 @@ done
 
 case $launch_type in
 	1) echo "Launch clearlinux UOS"
-		launch_clearlinux 1 3 "64 448 8" 0x070F00 clearlinux "LaaG" $debug
+		launch_clearlinux 1 "64 448 8" 0x070F00 clearlinux "LaaG" $debug
 		;;
 	2) echo "Launch android UOS"
-		launch_android 1 3 "64 448 8" 0x070F00 android "AaaG" $debug
+		launch_android 1 "64 448 8" 0x070F00 android "AaaG" $debug
 		;;
 	3) echo "Launch clearlinux UOS + android UOS"
-		launch_android 1 2 "64 448 4" 0x00000C android "AaaG" $debug &
+		launch_android 1 "64 448 4" 0x00000C android "AaaG" $debug &
 		sleep 5
-		launch_clearlinux 2 1 "64 448 4" 0x070F00 clearlinux "LaaG" $debug
+		launch_clearlinux 2 "64 448 4" 0x070F00 clearlinux "LaaG" $debug
 		;;
 	4) echo "Launch two clearlinux UOSs"
-		launch_clearlinux 1 1 "64 448 4" 0x00000C clearlinux "L1aaG" $debug &
+		launch_clearlinux 1 "64 448 4" 0x00000C clearlinux "L1aaG" $debug &
 		sleep 5
-		launch_clearlinux 2 1 "64 448 4" 0x070F00 clearlinux_dup "L2aaG" $debug
+		launch_clearlinux 2 "64 448 4" 0x070F00 clearlinux_dup "L2aaG" $debug
 		;;
 	5) echo "Launch alios UOS"
-		launch_alios 1 3 "64 448 8" 0x070F00 alios "AliaaG" $debug
+		launch_alios 1 "64 448 8" 0x070F00 alios "AliaaG" $debug
 		;;
 esac
 
diff --git a/devicemodel/samples/apl-up2/launch_uos.sh b/devicemodel/samples/apl-up2/launch_uos.sh
index 8237a841f..7f1d1a378 100755
--- a/devicemodel/samples/apl-up2/launch_uos.sh
+++ b/devicemodel/samples/apl-up2/launch_uos.sh
@@ -57,8 +57,8 @@ passthru_bdf=(
 
 function launch_clearlinux()
 {
-if [ ! -f "/data/$5/$5.img" ]; then
-  echo "no /data/$5/$5.img, exit"
+if [ ! -f "/data/$4/$4.img" ]; then
+  echo "no /data/$4/$4.img, exit"
   exit
 fi
 
@@ -68,7 +68,7 @@ vm_name=vm$1
 mac_seed=${mac:9:8}-${vm_name} 
 
 # create a unique tap device for each VM
-tap=tap_$6
+tap=tap_$5
 tap_exist=$(ip a | grep "$tap" | awk '{print $1}')
 if [ "$tap_exist"x != "x" ]; then
   echo "tap device existed, reuse $tap"
@@ -152,7 +152,7 @@ if [ "$setup_mem" != "" ];then
 fi
 
 boot_dev_flag=",b"
-if [ $7 == 1 ];then
+if [ $6 == 1 ];then
   boot_image_option="--vsbl /usr/share/acrn/bios/VSBL_debug.bin"
 else
   boot_image_option="--vsbl /usr/share/acrn/bios/VSBL.bin"
@@ -164,7 +164,7 @@ intr_storm_monitor="--intr_monitor 10000,10,1,100"
 
 acrn-dm --help 2>&1 | grep 'GVT args'
 if [ $? == 0 ];then
-  GVT_args=$3
+  GVT_args=$2
   boot_GVT_option=" -s 0:2:0,pci-gvt -G "
 else
   boot_GVT_option=''
@@ -174,11 +174,11 @@ fi
 #logger_setting, format: logger_name,level; like following
 logger_setting="--logger_setting console,level=4;kmsg,level=3;disk,level=5"
 
-acrn-dm -A -m $mem_size -c $2$boot_GVT_option"$GVT_args" -s 0:0,hostbridge -s 1:0,lpc -l com1,stdio \
+acrn-dm -A -m $mem_size $boot_GVT_option"$GVT_args" -s 0:0,hostbridge -s 1:0,lpc -l com1,stdio \
   -s 5,virtio-console,@pty:pty_port \
   -s 6,virtio-hyper_dmabuf \
   -s 8,wdt-i6300esb \
-  -s 3,virtio-blk$boot_dev_flag,/data/$5/$5.img \
+  -s 3,virtio-blk$boot_dev_flag,/data/$4/$4.img \
   -s 4,virtio-net,$tap $boot_image_option \
   -s 7,xhci,1-1:1-2:1-3:2-1:2-2:2-3:cap=apl \
   -s 9,passthru,0/15/1 \
@@ -188,17 +188,17 @@ acrn-dm -A -m $mem_size -c $2$boot_GVT_option"$GVT_args" -s 0:0,hostbridge -s 1:
   $boot_ipu_option      \
   --mac_seed $mac_seed \
   --pm_notify_channel power_button \
-  -B "root=/dev/vda2 rw rootwait maxcpus=$2 nohpet console=hvc0 \
+  -B "root=/dev/vda2 rw rootwait nohpet console=hvc0 \
   console=ttyS0 no_timer_check ignore_loglevel log_buf_len=16M \
-  consoleblank=0 tsc=reliable i915.avail_planes_per_pipe=$4 i915.enable_guc_loading=0 \
+  consoleblank=0 tsc=reliable i915.avail_planes_per_pipe=$3 i915.enable_guc_loading=0 \
   i915.enable_hangcheck=0 i915.nuclear_pageflip=1 \
   i915.enable_guc_submission=0 i915.enable_guc=0" $vm_name
 }
 
 function launch_android()
 {
-if [ ! -f "/data/$5/$5.img" ]; then
-  echo "no /data/$5/$5.img, exit"
+if [ ! -f "/data/$4/$4.img" ]; then
+  echo "no /data/$4/$4.img, exit"
   exit
 fi
 
@@ -208,7 +208,7 @@ vm_name=vm$1
 mac_seed=${mac:9:8}-${vm_name} 
 
 # create a unique tap device for each VM
-tap=tap_$6
+tap=tap_$5
 tap_exist=$(ip a | grep "$tap" | awk '{print $1}')
 if [ "$tap_exist"x != "x" ]; then
   echo "tap device existed, reuse $tap"
@@ -323,13 +323,13 @@ if [ "$setup_mem" != "" ];then
     mem_size=$setup_mem
 fi
 
-kernel_cmdline_generic="maxcpus=$2 nohpet tsc=reliable intel_iommu=off \
+kernel_cmdline_generic="nohpet tsc=reliable intel_iommu=off \
    androidboot.serialno=$ser \
-   i915.enable_rc6=1 i915.enable_fbc=1 i915.enable_guc_loading=0 i915.avail_planes_per_pipe=$4 \
+   i915.enable_rc6=1 i915.enable_fbc=1 i915.enable_guc_loading=0 i915.avail_planes_per_pipe=$3 \
    i915.enable_hangcheck=0 use_nuclear_flip=1 i915.enable_guc_submission=0 i915.enable_guc=0"
 
 boot_dev_flag=",b"
-if [ $7 == 1 ];then
+if [ $6 == 1 ];then
   boot_image_option="--vsbl /usr/share/acrn/bios/VSBL_debug.bin"
 else
   boot_image_option="--vsbl /usr/share/acrn/bios/VSBL.bin"
@@ -355,7 +355,7 @@ intr_storm_monitor="--intr_monitor 10000,10,1,100"
 
 acrn-dm --help 2>&1 | grep 'GVT args'
 if [ $? == 0 ];then
-  GVT_args=$3
+  GVT_args=$2
   boot_GVT_option=" -s 2,pci-gvt -G "
 else
   boot_GVT_option=''
@@ -365,9 +365,9 @@ fi
 #logger_setting, format: logger_name,level; like following
 logger_setting="--logger_setting console,level=4;kmsg,level=3;disk,level=5"
 
- acrn-dm -A -m $mem_size -c $2$boot_GVT_option"$GVT_args" -s 0:0,hostbridge -s 1:0,lpc -l com1,stdio $npk_virt\
+ acrn-dm -A -m $mem_size $boot_GVT_option"$GVT_args" -s 0:0,hostbridge -s 1:0,lpc -l com1,stdio $npk_virt\
    -s 9,virtio-net,$tap \
-   -s 3,virtio-blk$boot_dev_flag,/data/$5/$5.img \
+   -s 3,virtio-blk$boot_dev_flag,/data/$4/$4.img \
    -s 7,xhci,1-1:1-2:1-3:2-1:2-2:2-3:cap=apl \
    -s 8,passthru,0/15/1 \
    -s 13,virtio-rpmb \
@@ -463,23 +463,23 @@ done
 
 case $launch_type in
 	1) echo "Launch clearlinux UOS"
-		launch_clearlinux 1 1 "64 448 8" 0x070F00 clearlinux "LaaG" $debug
+		launch_clearlinux 1 "64 448 8" 0x070F00 clearlinux "LaaG" $debug
 		;;
 	2) echo "Launch android UOS"
-		launch_android 1 1 "64 448 8" 0x070F00 android "AaaG" $debug
+		launch_android 1 "64 448 8" 0x070F00 android "AaaG" $debug
 		;;
 	3) echo "Launch clearlinux UOS + android UOS"
-		launch_android 1 2 "64 448 4" 0x00000C android "AaaG" $debug &
+		launch_android 1 "64 448 4" 0x00000C android "AaaG" $debug &
 		sleep 5
-		launch_clearlinux 2 1 "64 448 4" 0x070F00 clearlinux "LaaG" $debug
+		launch_clearlinux 2 "64 448 4" 0x070F00 clearlinux "LaaG" $debug
 		;;
 	4) echo "Launch two clearlinux UOSs"
-		launch_clearlinux 1 1 "64 448 4" 0x00000C clearlinux "L1aaG" $debug &
+		launch_clearlinux 1 "64 448 4" 0x00000C clearlinux "L1aaG" $debug &
 		sleep 5
-		launch_clearlinux 2 1 "64 448 4" 0x070F00 clearlinux_dup "L2aaG" $debug
+		launch_clearlinux 2 "64 448 4" 0x070F00 clearlinux_dup "L2aaG" $debug
 		;;
 	5) echo "Launch alios UOS"
-		launch_alios 1 3 "64 448 8" 0x070F00 alios "AliaaG" $debug
+		launch_alios 1 "64 448 8" 0x070F00 alios "AliaaG" $debug
 		;;
 esac
 
diff --git a/devicemodel/samples/nuc/launch_hard_rt_vm.sh b/devicemodel/samples/nuc/launch_hard_rt_vm.sh
index aab5e2cf5..c45b0cee5 100755
--- a/devicemodel/samples/nuc/launch_hard_rt_vm.sh
+++ b/devicemodel/samples/nuc/launch_hard_rt_vm.sh
@@ -35,7 +35,7 @@ pm_channel="--pm_notify_channel uart "
 pm_by_vuart="--pm_by_vuart tty,/dev/ttyS1"
 
 
-/usr/bin/acrn-dm -A -m $mem_size -c $1 -s 0:0,hostbridge \
+/usr/bin/acrn-dm -A -m $mem_size -s 0:0,hostbridge \
   -k /usr/lib/kernel/default-iot-lts2018-preempt-rt \
    --lapic_pt \
    --rtvm \
@@ -59,4 +59,4 @@ for i in `ls -d /sys/devices/system/cpu/cpu[1-99]`; do
         fi
 done
 
-launch_hard_rt_vm 1
+launch_hard_rt_vm
diff --git a/devicemodel/samples/nuc/launch_uos.sh b/devicemodel/samples/nuc/launch_uos.sh
index 0ea020408..545d108ad 100755
--- a/devicemodel/samples/nuc/launch_uos.sh
+++ b/devicemodel/samples/nuc/launch_uos.sh
@@ -100,8 +100,8 @@ pm_vuart_node=" -s 1:0,lpc -l com2,/run/acrn/life_mngr_"$vm_name
 #for memsize setting
 mem_size=2048M
 
-acrn-dm -A -m $mem_size -c $2 -s 0:0,hostbridge \
-  -s 2,pci-gvt -G "$3" \
+acrn-dm -A -m $mem_size -s 0:0,hostbridge \
+  -s 2,pci-gvt -G "$2" \
   -s 5,virtio-console,@stdio:stdio_port \
   -s 6,virtio-hyper_dmabuf \
   -s 3,virtio-blk,/home/clear/uos/uos.img \
@@ -146,5 +146,5 @@ if [ "$1" = "-C" ];then
 	echo "runc_container"
 	run_container
 else
-	launch_clear 1 1 "64 448 8" 0x070F00
+	launch_clear 1 "64 448 8" 0x070F00
 fi
diff --git a/devicemodel/samples/nuc/launch_vxworks.sh b/devicemodel/samples/nuc/launch_vxworks.sh
index ecf284b3c..97602207e 100755
--- a/devicemodel/samples/nuc/launch_vxworks.sh
+++ b/devicemodel/samples/nuc/launch_vxworks.sh
@@ -21,7 +21,7 @@ mem_size=2048M
 #      offically now and we are working on upstream the front-end drivers.
 #      OVMF console is not available with default parameters.
 
-acrn-dm -A -m $mem_size -c $2 -s 0:0,hostbridge \
+acrn-dm -A -m $mem_size -s 0:0,hostbridge \
   -s 5,virtio-console,@stdio:stdio_port \
   -s 3,virtio-blk,./VxWorks.img \
   --virtio_poll 1000000 \
@@ -47,4 +47,4 @@ for i in `ls -d /sys/devices/system/cpu/cpu[1-99]`; do
         fi
 done
 
-launch_vxworks 1 1
+launch_vxworks 1
diff --git a/devicemodel/samples/nuc/launch_win.sh b/devicemodel/samples/nuc/launch_win.sh
index c3614b2ab..c00095a06 100755
--- a/devicemodel/samples/nuc/launch_win.sh
+++ b/devicemodel/samples/nuc/launch_win.sh
@@ -19,8 +19,8 @@ echo "0000:00:1f.3" > /sys/bus/pci/drivers/pci-stub/bind
 #for memsize setting
 mem_size=4096M
 
-acrn-dm -A -m $mem_size -c $2 -s 0:0,hostbridge -s 1:0,lpc -l com1,stdio \
-  -s 2,pci-gvt -G "$3" \
+acrn-dm -A -m $mem_size -s 0:0,hostbridge -s 1:0,lpc -l com1,stdio \
+  -s 2,pci-gvt -G "$2" \
   -s 3,virtio-blk,./win10-ltsc.img \
   -s 4,virtio-net,tap0 \
   -s 5,passthru,00/1f/3 \
@@ -45,4 +45,4 @@ for i in `ls -d /sys/devices/system/cpu/cpu[1-99]`; do
         fi
 done
 
-launch_win 1 1 "64 448 8"
+launch_win 1 "64 448 8"
diff --git a/devicemodel/samples/nuc/launch_zephyr.sh b/devicemodel/samples/nuc/launch_zephyr.sh
index c4fbe508d..89ec04cd6 100755
--- a/devicemodel/samples/nuc/launch_zephyr.sh
+++ b/devicemodel/samples/nuc/launch_zephyr.sh
@@ -15,7 +15,7 @@ fi
 #for memsize setting
 mem_size=128M
 
-acrn-dm -A -m $mem_size -c $2 -s 0:0,hostbridge -s 1:0,lpc -l com1,stdio \
+acrn-dm -A -m $mem_size -s 0:0,hostbridge -s 1:0,lpc -l com1,stdio \
   -s 5,virtio-console,@pty:pty_port \
   -s 3,virtio-blk,./zephyr.img \
   --ovmf /usr/share/acrn/bios/OVMF.fd \
@@ -39,4 +39,4 @@ for i in `ls -d /sys/devices/system/cpu/cpu[1-99]`; do
         fi
 done
 
-launch_zephyr 1 1
+launch_zephyr 1