diff --git a/Dockerfile b/Dockerfile
index 156c4a1..9d37f1d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,11 +9,13 @@ FROM qemux/qemu-host as builder
 
 FROM debian:trixie-slim
 
+ARG TARGETPLATFORM
 ARG DEBCONF_NOWARNINGS="yes"
 ARG DEBIAN_FRONTEND noninteractive
 
-RUN apt-get update && apt-get -y upgrade && \
-    apt-get --no-install-recommends -y install \
+RUN apt-get update && apt-get -y upgrade \
+    && if [ "$TARGETPLATFORM" != "linux/amd64" ]; then extra="qemu-user"; fi \
+    && apt-get --no-install-recommends -y install \
         jq \
         tini \
         curl \
@@ -32,6 +34,7 @@ RUN apt-get update && apt-get -y upgrade && \
         ca-certificates \
         netcat-openbsd \
         qemu-system-x86 \
+        "$extra" \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
diff --git a/src/config.sh b/src/config.sh
index 60e6c05..05fc7a3 100644
--- a/src/config.sh
+++ b/src/config.sh
@@ -1,29 +1,9 @@
 #!/bin/bash
 set -Eeuo pipefail
 
-KVM_ERR=""
-KVM_OPTS=""
-
-if [ -e /dev/kvm ] && sh -c 'echo -n > /dev/kvm' &> /dev/null; then
-  if ! grep -q -e vmx -e svm /proc/cpuinfo; then
-    KVM_ERR="(vmx/svm disabled)"
-  fi
-else
-  [ -e /dev/kvm ] && KVM_ERR="(no write access)" || KVM_ERR="(device file missing)"
-fi
-
-if [ -n "$KVM_ERR" ]; then
-  if [ "$ARCH" == "amd64" ]; then
-    error "KVM acceleration not detected $KVM_ERR, see the FAQ about this."
-    [[ "$DEBUG" != [Yy1]* ]] && exit 88
-  fi
-else
-  KVM_OPTS=",accel=kvm -enable-kvm -cpu host"
-fi
-
 DEF_OPTS="-nographic -nodefaults -boot strict=on -display none"
 RAM_OPTS=$(echo "-m $RAM_SIZE" | sed 's/MB/M/g;s/GB/G/g;s/TB/T/g')
-CPU_OPTS="-smp $CPU_CORES,sockets=1,dies=1,cores=$CPU_CORES,threads=1"
+CPU_OPTS="-cpu $CPU_MODEL -smp $CPU_CORES,sockets=1,dies=1,cores=$CPU_CORES,threads=1"
 MAC_OPTS="-machine type=q35,usb=off,dump-guest-core=off,hpet=off${KVM_OPTS}"
 EXTRA_OPTS="-device virtio-balloon-pci,id=balloon0,bus=pcie.0,addr=0x4"
 EXTRA_OPTS="$EXTRA_OPTS -object rng-random,id=objrng0,filename=/dev/urandom"
diff --git a/src/cpu.sh b/src/cpu.sh
new file mode 100644
index 0000000..edb8800
--- /dev/null
+++ b/src/cpu.sh
@@ -0,0 +1,60 @@
+#!/bin/bash
+set -Eeuo pipefail
+
+# Docker environment variables
+
+: ${HOST_CPU:=''}
+: ${CPU_MODEL:='host'}
+: ${CPU_FEATURES:='+ssse3,+sse4.1,+sse4.2'}
+
+KVM_ERR=""
+KVM_OPTS=""
+
+if [[ "$ARCH" == "amd64" && "$KVM" != [Nn]* ]]; then
+
+  if [ -e /dev/kvm ] && sh -c 'echo -n > /dev/kvm' &> /dev/null; then
+    if ! grep -q -e vmx -e svm /proc/cpuinfo; then
+      KVM_ERR="(vmx/svm disabled)"
+    fi
+  else
+    [ -e /dev/kvm ] && KVM_ERR="(no write access)" || KVM_ERR="(device file missing)"
+  fi
+
+  if [ -n "$KVM_ERR" ]; then
+    error "KVM acceleration not detected $KVM_ERR, this will cause a major loss of performance."
+    error "See the FAQ on how to enable it, or skip this error by setting KVM=N (not recommended)."
+    [[ "$DEBUG" != [Yy1]* ]] && exit 88
+    [[ "$CPU_MODEL" == "host"* ]] && CPU_MODEL="max,$CPU_FEATURES"
+  else
+    KVM_OPTS=",accel=kvm -enable-kvm"
+  fi
+
+  if [[ "$CPU_MODEL" != *"$CPU_FEATURES"* ]]; then
+    if ! grep -qE '^flags.* (sse4_2)' /proc/cpuinfo; then
+      info "Your CPU does not have the SSE4.2 instruction set that DSM needs, it will be emulated.."
+      CPU_MODEL="host,$CPU_FEATURES"
+    fi
+  fi
+
+else
+
+  [[ "$CPU_MODEL" == "host"* ]] && CPU_MODEL="max,$CPU_FEATURES"
+
+fi
+
+if [ -z "$HOST_CPU" ]; then
+  HOST_CPU=$(lscpu | grep 'Model name' | cut -f 2 -d ":" | awk '{$1=$1}1' | sed 's# @.*##g' | sed s/"(R)"//g | sed 's/[^[:alnum:] ]\+/ /g' | sed 's/  */ /g')
+fi
+
+if [ -n "$HOST_CPU" ]; then
+  HOST_CPU="${HOST_CPU%%,*},,"
+else
+  HOST_CPU="QEMU, Virtual CPU,"
+  if [ "$ARCH" == "amd64" ]; then
+    HOST_CPU="$HOST_CPU X86_64"
+  else
+    HOST_CPU="$HOST_CPU $ARCH"
+  fi
+fi
+
+return 0
diff --git a/src/disk.sh b/src/disk.sh
index e89bcf6..fee7afd 100644
--- a/src/disk.sh
+++ b/src/disk.sh
@@ -34,7 +34,7 @@ fmt2ext() {
       echo "img"
       ;;
     *)
-      error "Unrecognized disk format: $DISK_FMT" && exit 88
+      error "Unrecognized disk format: $DISK_FMT" && exit 78
       ;;
   esac
 }
@@ -50,7 +50,7 @@ ext2fmt() {
       echo "raw"
       ;;
     *)
-      error "Unrecognized file extension: .$DISK_EXT" && exit 88
+      error "Unrecognized file extension: .$DISK_EXT" && exit 78
       ;;
   esac
 }
@@ -70,7 +70,7 @@ getSize() {
       qemu-img info "$DISK_FILE" -f "$DISK_FMT" | grep '^virtual size: ' | sed 's/.*(\(.*\) bytes)/\1/'
       ;;
     *)
-      error "Unrecognized disk format: $DISK_FMT" && exit 88
+      error "Unrecognized disk format: $DISK_FMT" && exit 78
       ;;
   esac
 }
@@ -89,7 +89,7 @@ resizeDisk() {
   FAIL="Could not resize $DISK_FMT file of $DISK_DESC ($DISK_FILE) from ${GB}G to $DISK_SPACE .."
 
   REQ=$((DATA_SIZE-CUR_SIZE))
-  (( REQ < 1 )) && error "Shrinking disks is not supported!" && exit 84
+  (( REQ < 1 )) && error "Shrinking disks is not supported!" && exit 71
 
   case "${DISK_FMT,,}" in
     raw)
@@ -97,7 +97,7 @@ resizeDisk() {
 
         # Resize file by changing its length
         if ! truncate -s "$DISK_SPACE" "$DISK_FILE"; then
-          error "$FAIL" && exit 85
+          error "$FAIL" && exit 75
         fi
 
       else
@@ -108,13 +108,13 @@ resizeDisk() {
 
         if (( REQ > SPACE )); then
           error "Not enough free space to resize $DISK_DESC to $DISK_SPACE in $DIR, it has only $SPACE_GB GB available.."
-          error "Please specify a smaller ${DISK_DESC^^}_SIZE or disable preallocation by setting DISK_FMT to \"qcow2\"." && exit 84
+          error "Please specify a smaller ${DISK_DESC^^}_SIZE or disable preallocation by setting DISK_FMT to \"qcow2\"." && exit 74
         fi
 
         # Resize file by allocating more space
         if ! fallocate -l "$DISK_SPACE" "$DISK_FILE"; then
           if ! truncate -s "$DISK_SPACE" "$DISK_FILE"; then
-            error "$FAIL" && exit 85
+            error "$FAIL" && exit 75
           fi
         fi
 
@@ -122,7 +122,7 @@ resizeDisk() {
       ;;
     qcow2)
       if ! qemu-img resize -f "$DISK_FMT" "$DISK_FILE" "$DISK_SPACE" ; then
-        error "$FAIL" && exit 85
+        error "$FAIL" && exit 72
       fi
       ;;
   esac
@@ -161,7 +161,7 @@ createDisk() {
         # Create an empty file
         if ! truncate -s "$DISK_SPACE" "$DISK_FILE"; then
           rm -f "$DISK_FILE"
-          error "$FAIL" && exit 87
+          error "$FAIL" && exit 77
         fi
 
       else
@@ -172,14 +172,14 @@ createDisk() {
 
         if (( DATA_SIZE > SPACE )); then
           error "Not enough free space to create a $DISK_DESC of $DISK_SPACE in $DIR, it has only $SPACE_GB GB available.."
-          error "Please specify a smaller ${DISK_DESC^^}_SIZE or disable preallocation by setting DISK_FMT to \"qcow2\"." && exit 86
+          error "Please specify a smaller ${DISK_DESC^^}_SIZE or disable preallocation by setting DISK_FMT to \"qcow2\"." && exit 76
         fi
 
         # Create an empty file
         if ! fallocate -l "$DISK_SPACE" "$DISK_FILE"; then
           if ! truncate -s "$DISK_SPACE" "$DISK_FILE"; then
             rm -f "$DISK_FILE"
-            error "$FAIL" && exit 87
+            error "$FAIL" && exit 77
           fi
         fi
 
@@ -188,7 +188,7 @@ createDisk() {
     qcow2)
       if ! qemu-img create -f "$DISK_FMT" -- "$DISK_FILE" "$DISK_SPACE" ; then
         rm -f "$DISK_FILE"
-        error "$FAIL" && exit 89
+        error "$FAIL" && exit 70
       fi
       ;;
   esac
@@ -219,7 +219,7 @@ addDisk () {
   DATA_SIZE=$(numfmt --from=iec "$DISK_SPACE")
 
   if (( DATA_SIZE < 6442450944 )); then
-    error "Please increase ${DISK_DESC^^}_SIZE to at least 6 GB." && exit 83
+    error "Please increase ${DISK_DESC^^}_SIZE to at least 6 GB." && exit 73
   fi
 
   if ! [ -f "$DISK_FILE" ] ; then
@@ -243,7 +243,7 @@ addDisk () {
 
       if ! convertDisk "$PREV_FILE" "$PREV_FMT" "$TMP_FILE" "$DISK_FMT" ; then
         rm -f "$TMP_FILE"
-        error "Failed to convert $DISK_DESC to $DISK_FMT format." && exit 89
+        error "Failed to convert $DISK_DESC to $DISK_FMT format." && exit 79
       fi
 
       mv "$TMP_FILE" "$DISK_FILE"
diff --git a/src/entry.sh b/src/entry.sh
index c936130..d9ba03f 100755
--- a/src/entry.sh
+++ b/src/entry.sh
@@ -11,6 +11,7 @@ cd /run
 . disk.sh       # Initialize disks
 . network.sh    # Initialize network
 . gpu.sh        # Initialize graphics
+. cpu.sh        # Initialize processor
 . serial.sh     # Initialize serialport
 . power.sh      # Configure shutdown
 . config.sh     # Configure arguments
diff --git a/src/install.sh b/src/install.sh
index dfb7420..aa106a4 100644
--- a/src/install.sh
+++ b/src/install.sh
@@ -33,13 +33,7 @@ if [ -z "$DL" ]; then
   [[ "${COUNTRY^^}" == "CN" ]] && DL="$DL_CHINA" || DL="$DL_GLOBAL"
 fi
 
-if [ -z "$URL" ]; then
-  if [ "$ARCH" == "amd64" ]; then
-    URL="$DL/release/7.2.1/69057-1/DSM_VirtualDSM_69057.pat"
-  else
-    URL="$DL/release/7.0.1/42218/DSM_VirtualDSM_42218.pat"
-  fi
-fi
+[ -z "$URL" ] && URL="$DL/release/7.2.1/69057-1/DSM_VirtualDSM_69057.pat"
 
 BASE=$(basename "$URL" .pat)
 
@@ -205,8 +199,6 @@ if { tar tf "$PAT"; } >/dev/null 2>&1; then
 
 else
 
-  [ "$ARCH" != "amd64" ] && addPackage "qemu-user" "QEMU"
-
   info "Install: Extracting downloaded image..."
 
   export LD_LIBRARY_PATH="/run/extract"
@@ -242,16 +234,16 @@ SYSTEM_SIZE=4954537983
 # Check free diskspace
 SPACE=$(df --output=avail -B 1 "$TMP" | tail -n 1)
 SPACE_GB=$(( (SPACE + 1073741823)/1073741824 ))
-(( SYSTEM_SIZE > SPACE )) && error "Not enough free space to create a 4 GB system disk, have only $SPACE_GB GB available." && exit 87
+(( SYSTEM_SIZE > SPACE )) && error "Not enough free space to create a 4 GB system disk, have only $SPACE_GB GB available." && exit 97
 
 if ! fallocate -l "$SYSTEM_SIZE" "$SYSTEM"; then
   if ! truncate -s "$SYSTEM_SIZE" "$SYSTEM"; then
-    rm -f "$SYSTEM" && error "Could not allocate a file for the system disk." && exit 88
+    rm -f "$SYSTEM" && error "Could not allocate a file for the system disk." && exit 98
   fi
 fi
 
 # Check if file exists
-[ ! -f "$SYSTEM" ] && error "System disk does not exist ($SYSTEM)" && exit 89
+[ ! -f "$SYSTEM" ] && error "System disk does not exist ($SYSTEM)" && exit 99
 
 # Check the filesize
 SIZE=$(stat -c%s "$SYSTEM")
diff --git a/src/network.sh b/src/network.sh
index eed1b52..c498549 100644
--- a/src/network.sh
+++ b/src/network.sh
@@ -187,7 +187,7 @@ if [ ! -c /dev/net/tun ]; then
   chmod 666 /dev/net/tun
 fi
 
-[ ! -c /dev/net/tun ] && error "TUN network interface not available..." && exit 85
+[ ! -c /dev/net/tun ] && error "TUN network interface not available..." && exit 25
 
 # Create the necessary file structure for /dev/vhost-net
 if [ ! -c /dev/vhost-net ]; then
@@ -212,7 +212,7 @@ if [[ "$DHCP" == [Yy1]* ]]; then
     if [[ "$DEBUG" == [Yy1]* ]]; then
       info "Warning: Are you sure the container is on a macvlan network?"
     else
-      error "You can only enable DHCP while the container is on a macvlan network!" && exit 86
+      error "You can only enable DHCP while the container is on a macvlan network!" && exit 26
     fi
   fi
 
diff --git a/src/reset.sh b/src/reset.sh
index d142d30..e2ac97a 100644
--- a/src/reset.sh
+++ b/src/reset.sh
@@ -11,10 +11,11 @@ trap 'error "Status $? while: $BASH_COMMAND (line $LINENO/$BASH_LINENO)"' ERR
 
 # Docker environment variables
 
-: ${GPU:='N'}           # Enable GPU passthrough
-: ${DEBUG:='N'}         # Enable debugging mode
+: ${GPU:='N'}           # Disable GPU passthrough
+: ${KVM:='Y'}           # Enable KVM acceleration
+: ${DEBUG:='N'}         # Disable debugging mode
 : ${COUNTRY:=''}        # Country code for mirror
-: ${CONSOLE:='N'}       # Start in console mode
+: ${CONSOLE:='N'}       # Disable console mode
 : ${ALLOCATE:='Y'}      # Preallocate diskspace
 : ${ARGUMENTS:=''}      # Extra QEMU parameters
 : ${CPU_CORES:='1'}     # Amount of CPU cores
diff --git a/src/serial.sh b/src/serial.sh
index 924497c..db473ef 100644
--- a/src/serial.sh
+++ b/src/serial.sh
@@ -3,27 +3,12 @@ set -Eeuo pipefail
 
 # Docker environment variables
 
-: ${HOST_CPU:=''}
 : ${HOST_MAC:=''}
 : ${HOST_DEBUG:=''}
 : ${HOST_SERIAL:=''}
 : ${HOST_MODEL:=''}
 : ${GUEST_SERIAL:=''}
 
-if [ -z "$HOST_CPU" ]; then
-  HOST_CPU=$(lscpu | grep 'Model name' | cut -f 2 -d ":" | awk '{$1=$1}1' | sed 's# @.*##g' | sed s/"(R)"//g | sed 's/[^[:alnum:] ]\+/ /g' | sed 's/  */ /g')
-fi
-
-if [ -n "$HOST_CPU" ]; then
-  HOST_CPU="$HOST_CPU,,"
-else
-  if [ "$ARCH" == "amd64" ]; then
-    HOST_CPU="QEMU, Virtual CPU, X86_64"
-  else
-    HOST_CPU="QEMU, Virtual CPU, $ARCH"
-  fi
-fi
-
 HOST_ARGS=()
 HOST_ARGS+=("-cpu=$CPU_CORES")
 HOST_ARGS+=("-cpu_arch=$HOST_CPU")