diff --git a/src/entry.sh b/src/entry.sh
index dff43b1..a07d780 100755
--- a/src/entry.sh
+++ b/src/entry.sh
@@ -17,7 +17,8 @@ cd /run
 
 trap - ERR
 
-info "Booting image${BOOT_DESC}..."
+version=$(qemu-system-aarch64 --version | head -n 1 | cut -d '(' -f 1 | awk '{ print $NF }')
+info "Booting image${BOOT_DESC} using QEMU v$version..."
 
 if [ -z "$CPU_PIN" ]; then
   exec qemu-system-aarch64 ${ARGS:+ $ARGS}
diff --git a/src/proc.sh b/src/proc.sh
index 0b922fd..6a865ea 100644
--- a/src/proc.sh
+++ b/src/proc.sh
@@ -9,9 +9,14 @@ set -Eeuo pipefail
 : "${CPU_MODEL:=""}"
 : "${DEF_MODEL:="neoverse-n1"}"
 
-if [[ "$CPU" == "Cortex A55" ]] || [[ "${SYS,,}" == *"-rk35xx" ]]; then
-  # Pin to big cores on Rockchip Orange Pi 5
-  CPU_PIN="4,5,6,7"
+if [[ "$CPU" == "Cortex A53" ]] && [[ "$CORES" == "6" ]]; then
+  # Pin to performance cores on Rockchip Orange Pi 4
+  [ -z "$CPU_PIN" ] && CPU_PIN="4,5"
+fi
+
+if [[ "$CPU" == "Cortex A55" ]] && [[ "$CORES" == "8" ]]; then
+  # Pin to performance cores on Rockchip Orange Pi 5
+  [ -z "$CPU_PIN" ] && CPU_PIN="4,5,6,7"
 fi
 
  if [[ "${ARCH,,}" != "arm64" ]]; then
diff --git a/src/reset.sh b/src/reset.sh
index b126873..b58ddbf 100644
--- a/src/reset.sh
+++ b/src/reset.sh
@@ -44,6 +44,7 @@ HOST=$(hostname -s)
 KERNEL=$(echo "$SYS" | cut -b 1)
 MINOR=$(echo "$SYS" | cut -d '.' -f2)
 ARCH=$(dpkg --print-architecture)
+CORES=$(grep -c '^processor' /proc/cpuinfo)
 SOCKETS=$(lscpu | grep -m 1 -i 'socket(s)' | awk '{print $(2)}')
 CPU=$(lscpu | grep -m 1 -i 'model name' | cut -f 2 -d ":" | awk '{$1=$1}1' | sed 's# @.*##g' | sed s/"(R)"//g | sed 's/[^[:alnum:] ]\+/ /g' | sed 's/  */ /g')