diff --git a/bin/omarchy-hw-qualcomm-soc b/bin/omarchy-hw-qualcomm-soc
new file mode 100755
index 00000000000..c85c73b1e5e
--- /dev/null
+++ b/bin/omarchy-hw-qualcomm-soc
@@ -0,0 +1,5 @@
+#!/bin/bash
+
+# omarchy:summary=Detect a Qualcomm SoC from the boot device tree.
+
+tr '\0' '\n' </sys/firmware/devicetree/base/compatible 2>/dev/null | grep -q '^qcom,'
diff --git a/default/pacman/mirrorlist-aarch64 b/default/pacman/mirrorlist-aarch64
new file mode 100644
index 00000000000..c7185ed8f65
--- /dev/null
+++ b/default/pacman/mirrorlist-aarch64
@@ -0,0 +1,2 @@
+# Arch Linux ARM publishes this endpoint with a $arch/$repo layout.
+Server = http://mirror.archlinuxarm.org/$arch/$repo
diff --git a/default/pacman/pacman-aarch64.conf b/default/pacman/pacman-aarch64.conf
new file mode 100644
index 00000000000..b11e10a47c7
--- /dev/null
+++ b/default/pacman/pacman-aarch64.conf
@@ -0,0 +1,30 @@
+# See the pacman.conf(5) manpage for option and repository directives
+# Arch Linux ARM provides the aarch64 repositories used below.
+
+[options]
+Color
+ILoveCandy
+VerbosePkgLists
+HoldPkg = pacman glibc
+Architecture = auto
+CheckSpace
+ParallelDownloads = 5
+DownloadUser = alpm
+
+# By default, pacman accepts packages signed by keys that its local keyring
+# trusts (see pacman-key and its man page), as well as unsigned packages.
+SigLevel = Required DatabaseOptional
+LocalFileSigLevel = Optional
+
+# pacman searches repositories in the order defined here.
+[core]
+Include = /etc/pacman.d/mirrorlist
+
+[extra]
+Include = /etc/pacman.d/mirrorlist
+
+[alarm]
+Include = /etc/pacman.d/mirrorlist
+
+[aur]
+Include = /etc/pacman.d/mirrorlist
diff --git a/etc/mkinitcpio.conf.d/thunderbolt_module.conf b/etc/mkinitcpio.conf.d/thunderbolt_module.conf
index 9518f8b1201..eb0565bef59 100644
--- a/etc/mkinitcpio.conf.d/thunderbolt_module.conf
+++ b/etc/mkinitcpio.conf.d/thunderbolt_module.conf
@@ -1 +1,4 @@
-MODULES+=(thunderbolt)
+# linux-aarch64 does not provide the thunderbolt module.
+if [[ $(uname -m) == x86_64 ]]; then
+  MODULES+=(thunderbolt)
+fi
diff --git a/install/hardware/all.sh b/install/hardware/all.sh
index 9b54d1c0192..7e47477fa74 100644
--- a/install/hardware/all.sh
+++ b/install/hardware/all.sh
@@ -41,7 +41,12 @@ run_logged "$OMARCHY_INSTALL/hardware/apple/fix-suspend-nvme.sh"
 run_logged "$OMARCHY_INSTALL/hardware/apple/fix-t2.sh"
 run_logged "$OMARCHY_INSTALL/hardware/apple/fix-brcmfmac-supplicant.sh"
 
+run_logged "$OMARCHY_INSTALL/hardware/qualcomm/dtb-uki.sh"
+run_logged "$OMARCHY_INSTALL/hardware/qualcomm/kernel-params.sh"
+run_logged "$OMARCHY_INSTALL/hardware/qualcomm/firmware.sh"
+
 run_logged "$OMARCHY_INSTALL/hardware/lenovo/fix-yoga-pro7-bass-speakers.sh"
+run_logged "$OMARCHY_INSTALL/hardware/lenovo/yoga-slim7x.sh"
 
 run_logged "$OMARCHY_INSTALL/hardware/fix-bcm43xx.sh"
 run_logged "$OMARCHY_INSTALL/hardware/fix-surface-keyboard.sh"
diff --git a/install/hardware/lenovo/start-yoga-slim7x-remoteprocs.sh b/install/hardware/lenovo/start-yoga-slim7x-remoteprocs.sh
new file mode 100644
index 00000000000..ec7a5c94197
--- /dev/null
+++ b/install/hardware/lenovo/start-yoga-slim7x-remoteprocs.sh
@@ -0,0 +1,40 @@
+#!/bin/bash
+
+set -euo pipefail
+
+remoteproc_root=${OMARCHY_YOGA_REMOTEPROC_ROOT:-/sys/class/remoteproc}
+attempts=${OMARCHY_YOGA_REMOTEPROC_ATTEMPTS:-30}
+sleep_seconds=${OMARCHY_YOGA_REMOTEPROC_SLEEP:-1}
+
+for ((attempt = 1; attempt <= attempts; attempt++)); do
+  adsp_started=0
+  shopt -s nullglob
+
+  for state_file in "$remoteproc_root"/remoteproc*/state; do
+    remoteproc=${state_file%/state}
+    [[ -r $remoteproc/firmware && -r $state_file ]] || continue
+
+    firmware=$(tr -d '\0\n' <"$remoteproc/firmware")
+    case "$firmware" in
+      *qcadsp*) kind=ADSP ;;
+      *qccdsp*) kind=CDSP ;;
+      *) continue ;;
+    esac
+
+    if [[ $(<$state_file) == running ]]; then
+      echo "Yoga Slim 7x: $kind is already running"
+      [[ $kind == ADSP ]] && adsp_started=1
+    elif [[ -w $state_file ]] && printf 'start\n' >"$state_file"; then
+      echo "Yoga Slim 7x: started $kind"
+      [[ $kind == ADSP ]] && adsp_started=1
+    else
+      echo "Yoga Slim 7x: could not start $kind ($firmware)" >&2
+    fi
+  done
+
+  ((adsp_started)) && exit 0
+  sleep "$sleep_seconds"
+done
+
+echo "Yoga Slim 7x: audio DSP did not appear or could not be started" >&2
+exit 1
diff --git a/install/hardware/lenovo/yoga-slim7x.sh b/install/hardware/lenovo/yoga-slim7x.sh
new file mode 100644
index 00000000000..dede8968540
--- /dev/null
+++ b/install/hardware/lenovo/yoga-slim7x.sh
@@ -0,0 +1,58 @@
+# Lenovo Yoga Slim 7x (14Q8X9 / 83ED) board-specific setup.
+
+yoga_slim7x_compatible=""
+compatible_path=${OMARCHY_YOGA_COMPATIBLE_PATH:-/sys/firmware/devicetree/base/compatible}
+modules_load_dir=${OMARCHY_YOGA_MODULES_LOAD_DIR:-/etc/modules-load.d}
+mkinitcpio_dir=${OMARCHY_YOGA_MKINITCPIO_DIR:-/etc/mkinitcpio.conf.d}
+limine_config_dir=${OMARCHY_YOGA_LIMINE_CONFIG_DIR:-/etc/limine-entry-tool.d}
+systemd_dir=${OMARCHY_YOGA_SYSTEMD_DIR:-/etc/systemd/system}
+
+if [[ -r $compatible_path ]]; then
+  yoga_slim7x_compatible=$(tr '\0' '\n' <"$compatible_path")
+fi
+
+if omarchy-hw-qualcomm-soc &&
+  { grep -qi '^lenovo,yoga-slim7x$' <<<"$yoga_slim7x_compatible" ||
+    omarchy-hw-match 'Yoga Slim 7x' || omarchy-hw-match '83ED'; }; then
+  echo "Detected Lenovo Yoga Slim 7x, applying board-specific support..."
+
+  # The Yoga exposes its CPU performance domains through SCMI.
+  mkdir -p "$modules_load_dir"
+  echo "scmi-cpufreq" >"$modules_load_dir/yoga-slim7x.conf"
+
+  # Initialize the internal keyboard and display before disk unlock.
+  mkdir -p "$mkinitcpio_dir"
+  cat >"$mkinitcpio_dir/yoga-slim7x-initramfs.conf" <<'CONF'
+MODULES+=(i2c-hid-of qrtr ps883x pmic_glink_altmode)
+
+for firmware in \
+  /usr/lib/firmware/qcom/gen70500_sqe.fw \
+  /usr/lib/firmware/qcom/gen70500_gmu.bin \
+  /usr/lib/firmware/qcom/x1e80100/LENOVO/83ED/qcdxkmsuc8380.mbn; do
+  [[ -f $firmware ]] && FILES+=("$firmware")
+done
+unset firmware
+CONF
+
+  mkdir -p "$limine_config_dir"
+  cat >"$limine_config_dir/yoga-slim7x.conf" <<'CONF'
+KERNEL_CMDLINE[default]+=" initcall_blacklist=simpledrm_platform_driver_init"
+CONF
+
+  # Start the board's DSP remote processors.
+  mkdir -p "$systemd_dir"
+  cat >"$systemd_dir/yoga-slim7x-remoteprocs.service" <<'UNIT'
+[Unit]
+Description=Start the Lenovo Yoga Slim 7x DSPs
+ConditionPathExists=!/etc/modprobe.d/qualcomm-adsp-nofw.conf
+
+[Service]
+Type=oneshot
+ExecStart=/bin/bash /usr/share/omarchy/install/hardware/lenovo/start-yoga-slim7x-remoteprocs.sh
+RemainAfterExit=yes
+
+[Install]
+WantedBy=multi-user.target
+UNIT
+  systemctl enable yoga-slim7x-remoteprocs.service
+fi
diff --git a/install/hardware/qualcomm/dtb-uki.sh b/install/hardware/qualcomm/dtb-uki.sh
new file mode 100644
index 00000000000..07bd8eb2005
--- /dev/null
+++ b/install/hardware/qualcomm/dtb-uki.sh
@@ -0,0 +1,51 @@
+# Embed Qualcomm device trees so systemd-stub can select one from SMBIOS data.
+# DeviceTreeAuto requires literal paths, so hardware setup refreshes the list.
+
+if omarchy-hw-qualcomm-soc; then
+  omarchy-pkg-add systemd-ukify
+
+  dtb_dir=${OMARCHY_QUALCOMM_DTB_DIR:-/boot/dtbs/qcom}
+  uki_config=${OMARCHY_QUALCOMM_UKI_CONFIG:-/etc/kernel/uki.conf}
+  dtbs=()
+  for dtb in "$dtb_dir"/x1*.dtb "$dtb_dir"/hamoa*.dtb \
+    "$dtb_dir"/glymur*.dtb "$dtb_dir"/sc8280xp*.dtb; do
+    if [[ -f $dtb && $dtb != *-el2.dtb ]]; then
+      dtbs+=("$dtb")
+    fi
+  done
+
+  if ((${#dtbs[@]} == 0)); then
+    echo "No Windows-on-ARM device trees under $dtb_dir; the UKI gets no .dtbauto sections" >&2
+  else
+    managed_begin="# BEGIN OMARCHY QUALCOMM DEVICE TREES"
+    managed_end="# END OMARCHY QUALCOMM DEVICE TREES"
+
+    mkdir -p "$(dirname "$uki_config")"
+    uki_tmp=$(mktemp "${uki_config}.XXXXXX")
+
+    if [[ -f $uki_config ]]; then
+      cp -p "$uki_config" "$uki_tmp"
+      awk -v begin="$managed_begin" -v end="$managed_end" '
+        $0 == begin { managed = 1; next }
+        managed && $0 == end { managed = 0; next }
+        !managed { print }
+      ' "$uki_config" >"$uki_tmp"
+    else
+      chmod 0644 "$uki_tmp"
+    fi
+
+    {
+      echo
+      echo "$managed_begin"
+      echo "# Generated by Omarchy for Qualcomm Snapdragon devices."
+      echo "# systemd-stub selects a device tree from SMBIOS data."
+      echo "# Rerun 'omarchy apply hardware' after a kernel update adds new boards."
+      echo "[UKI]"
+      echo "DeviceTreeAuto=${dtbs[*]}"
+      echo "$managed_end"
+    } >>"$uki_tmp"
+
+    mv -f "$uki_tmp" "$uki_config"
+    echo "Listed ${#dtbs[@]} device trees in $uki_config"
+  fi
+fi
diff --git a/install/hardware/qualcomm/firmware.sh b/install/hardware/qualcomm/firmware.sh
new file mode 100644
index 00000000000..a25a0a5792d
--- /dev/null
+++ b/install/hardware/qualcomm/firmware.sh
@@ -0,0 +1,29 @@
+# Install packaged Qualcomm firmware and vendor-signed blobs extracted from Windows.
+# Keep the DSP driver disabled when starting it could disconnect the root disk.
+
+if omarchy-hw-qualcomm-soc; then
+  omarchy-pkg-add linux-firmware-qcom qcom-firmware-extract
+
+  qcom-firmware-extract --install --no-rebuild
+
+  modprobe_dir=${OMARCHY_QUALCOMM_MODPROBE_DIR:-/etc/modprobe.d}
+  root_source=$(findmnt -no SOURCE --nofsroot / 2>/dev/null || true)
+
+  mkdir -p "$modprobe_dir"
+  if [[ -n $root_source ]] && lsblk -sno TRAN "$root_source" 2>/dev/null | grep -q '^usb$'; then
+    # Starting the DSPs resets USB-C, so keep them off when root is on USB.
+    cat >"$modprobe_dir/qualcomm-adsp-nofw.conf" <<'CONF'
+# Generated by Omarchy for Qualcomm Snapdragon devices.
+# Keep the DSP driver off while the root disk is attached over USB.
+blacklist qcom_q6v5_pas
+CONF
+  elif qcom-firmware-extract --list-missing | grep -q 'adsp'; then
+    cat >"$modprobe_dir/qualcomm-adsp-nofw.conf" <<'CONF'
+# Generated by Omarchy for Qualcomm Snapdragon devices.
+# Keep the DSP driver off until its signed firmware is installed.
+blacklist qcom_q6v5_pas
+CONF
+  else
+    rm -f "$modprobe_dir/qualcomm-adsp-nofw.conf"
+  fi
+fi
diff --git a/install/hardware/qualcomm/kernel-params.sh b/install/hardware/qualcomm/kernel-params.sh
new file mode 100644
index 00000000000..4536395f557
--- /dev/null
+++ b/install/hardware/qualcomm/kernel-params.sh
@@ -0,0 +1,13 @@
+# Add firmware workarounds required by current Snapdragon laptops.
+
+DROP_IN="/etc/limine-entry-tool.d/qualcomm-snapdragon.conf"
+
+if omarchy-hw-qualcomm-soc; then
+  mkdir -p /etc/limine-entry-tool.d
+  cat >"$DROP_IN" <<'CONF'
+# Generated by Omarchy for Qualcomm Snapdragon devices.
+# Keep display and I/O resources enabled until their drivers load.
+# Disable pointer authentication and waiting for an unavailable TPM.
+KERNEL_CMDLINE[default]+=" clk_ignore_unused pd_ignore_unused arm64.nopauth systemd.tpm2_wait=0"
+CONF
+fi
diff --git a/install/hardware/vulkan.sh b/install/hardware/vulkan.sh
index a2447d46ffa..e13de205b8c 100644
--- a/install/hardware/vulkan.sh
+++ b/install/hardware/vulkan.sh
@@ -15,6 +15,11 @@ for vendor in "${!VULKAN_DRIVERS[@]}"; do
   fi
 done
 
+# Adreno GPUs are platform devices, so lspci never sees them.
+if omarchy-hw-qualcomm-soc; then
+  PACKAGES+=(vulkan-freedreno)
+fi
+
 if (( ${#PACKAGES[@]} > 0 )); then
   omarchy-pkg-add "${PACKAGES[@]}"
 fi
diff --git a/install/omarchy-other.packages b/install/omarchy-other.packages
index e5d56d566fe..1a7be9fec7b 100644
--- a/install/omarchy-other.packages
+++ b/install/omarchy-other.packages
@@ -75,3 +75,6 @@ t2fanrd
 
 # Framework 16
 qmk-hid
+
+# Qualcomm Snapdragon support packages
+qcom-firmware-extract
diff --git a/install/post-install/pacman.sh b/install/post-install/pacman.sh
index 23580b3c527..be3549d7c33 100644
--- a/install/post-install/pacman.sh
+++ b/install/post-install/pacman.sh
@@ -1,7 +1,18 @@
-# Configure pacman after package installation completes. Offline target package
-# installs use the live ISO's offline pacman.conf until this final restore.
-cp -f "$OMARCHY_PATH/default/pacman/pacman-${OMARCHY_MIRROR:-stable}.conf" /etc/pacman.conf
-cp -f "$OMARCHY_PATH/default/pacman/mirrorlist-${OMARCHY_MIRROR:-stable}" /etc/pacman.d/mirrorlist
+# Replace the installer's offline pacman configuration with online repositories.
+if [[ $(uname -m) == aarch64 ]]; then
+  # Install the keyring before replacing the offline package source.
+  omarchy-pkg-add archlinuxarm-keyring
+
+  cp -f "$OMARCHY_PATH/default/pacman/pacman-aarch64.conf" /etc/pacman.conf
+  cp -f "$OMARCHY_PATH/default/pacman/mirrorlist-aarch64" /etc/pacman.d/mirrorlist
+
+  # Trust every installed keyring before the first signed sync.
+  pacman-key --init
+  pacman-key --populate
+else
+  cp -f "$OMARCHY_PATH/default/pacman/pacman-${OMARCHY_MIRROR:-stable}.conf" /etc/pacman.conf
+  cp -f "$OMARCHY_PATH/default/pacman/mirrorlist-${OMARCHY_MIRROR:-stable}" /etc/pacman.d/mirrorlist
+fi
 
 # omarchy-settings skips this override until cups-browsed is actually present
 # to avoid pacman creating cups-browsed.conf.pacnew during ISO package install.
diff --git a/install/user/mise-work.sh b/install/user/mise-work.sh
index f77d5561e0e..17ea1e25df9 100644
--- a/install/user/mise-work.sh
+++ b/install/user/mise-work.sh
@@ -19,7 +19,12 @@ case ${OMARCHY_SETUP_CONTEXT:-runtime} in
 esac
 
 if [[ -n $NODE_PACKAGE_DIR ]]; then
-  NODE_TARBALL=$(find "$NODE_PACKAGE_DIR" -name "node-v*-linux-x64.tar.gz" -type f 2>/dev/null | head -n1)
+  # Node names its builds x64/arm64, not by uname
+  case "$(uname -m)" in
+    aarch64) _NODE_ARCH=arm64 ;;
+    *)       _NODE_ARCH=x64   ;;
+  esac
+  NODE_TARBALL=$(find "$NODE_PACKAGE_DIR" -name "node-v*-linux-${_NODE_ARCH}.tar.gz" -type f 2>/dev/null | head -n1)
   if [[ -z $NODE_TARBALL ]]; then
     if [[ ${OMARCHY_SETUP_CONTEXT:-} == "provision-owner" ]]; then
       # A factory snapshot predating the bundled tarball may not have it staged.
@@ -31,7 +36,7 @@ if [[ -n $NODE_PACKAGE_DIR ]]; then
       exit 1
     fi
   else
-    NODE_VERSION=$(basename "$NODE_TARBALL" | sed 's/node-v\(.*\)-linux-x64.tar.gz/\1/')
+    NODE_VERSION=$(basename "$NODE_TARBALL" | sed "s/node-v\\(.*\\)-linux-${_NODE_ARCH}.tar.gz/\\1/")
     NODE_INSTALL_DIR="$HOME/.local/share/mise/installs/node/$NODE_VERSION"
 
     mkdir -p "$NODE_INSTALL_DIR"
diff --git a/test/shell.d/snapdragon-hardware-test.sh b/test/shell.d/snapdragon-hardware-test.sh
new file mode 100644
index 00000000000..f227825fd26
--- /dev/null
+++ b/test/shell.d/snapdragon-hardware-test.sh
@@ -0,0 +1,67 @@
+#!/bin/bash
+
+set -euo pipefail
+
+source "$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)/base-test.sh"
+
+firmware_setup="$ROOT/install/hardware/qualcomm/firmware.sh"
+dtb_setup="$ROOT/install/hardware/qualcomm/dtb-uki.sh"
+scratch=$(mktemp -d)
+trap 'rm -rf "$scratch"' EXIT
+
+bash -n "$firmware_setup" "$dtb_setup" || fail "Snapdragon hardware scripts have valid syntax"
+
+(
+  omarchy-hw-qualcomm-soc() { return 0; }
+  omarchy-pkg-add() { :; }
+  qcom-firmware-extract() { :; }
+  findmnt() {
+    [[ $* == "-no SOURCE --nofsroot /" ]] || fail "Snapdragon firmware setup strips the Btrfs subvolume suffix"
+    printf '/dev/mapper/root\n'
+  }
+  lsblk() {
+    [[ ${!#} == "/dev/mapper/root" ]] || fail "Snapdragon firmware setup passes a resolvable root device to lsblk"
+    printf 'usb\n'
+  }
+
+  OMARCHY_QUALCOMM_MODPROBE_DIR="$scratch/modprobe.d"
+  source "$firmware_setup"
+)
+
+[[ -f $scratch/modprobe.d/qualcomm-adsp-nofw.conf ]] ||
+  fail "Snapdragon firmware setup protects a USB-backed root disk"
+
+mkdir -p "$scratch/dtbs"
+: >"$scratch/dtbs/x1e80100-test.dtb"
+: >"$scratch/dtbs/x1e80100-test-el2.dtb"
+cat >"$scratch/uki.conf" <<'CONF'
+[UKI]
+SecureBootPrivateKey=/secure/db.key
+PCRPrivateKey=/secure/pcr.key
+CONF
+
+run_dtb_setup() (
+  omarchy-hw-qualcomm-soc() { return 0; }
+  omarchy-pkg-add() { :; }
+
+  OMARCHY_QUALCOMM_DTB_DIR="$scratch/dtbs"
+  OMARCHY_QUALCOMM_UKI_CONFIG="$scratch/uki.conf"
+  source "$dtb_setup"
+)
+
+run_dtb_setup
+run_dtb_setup
+
+grep -Fq 'SecureBootPrivateKey=/secure/db.key' "$scratch/uki.conf" ||
+  fail "Snapdragon DTB setup preserves Secure Boot settings"
+grep -Fq 'PCRPrivateKey=/secure/pcr.key' "$scratch/uki.conf" ||
+  fail "Snapdragon DTB setup preserves PCR settings"
+[[ $(grep -Fc '# BEGIN OMARCHY QUALCOMM DEVICE TREES' "$scratch/uki.conf") == 1 ]] ||
+  fail "Snapdragon DTB setup keeps one managed UKI block"
+grep -Fq "DeviceTreeAuto=$scratch/dtbs/x1e80100-test.dtb" "$scratch/uki.conf" ||
+  fail "Snapdragon DTB setup lists the matching device tree"
+if grep -Fq 'x1e80100-test-el2.dtb' "$scratch/uki.conf"; then
+  fail "Snapdragon DTB setup excludes EL2-only device trees"
+fi
+
+pass "Snapdragon setup preserves UKI settings and detects USB root disks"
diff --git a/test/shell.d/yoga-slim7x-hardware-test.sh b/test/shell.d/yoga-slim7x-hardware-test.sh
new file mode 100644
index 00000000000..66b5b340310
--- /dev/null
+++ b/test/shell.d/yoga-slim7x-hardware-test.sh
@@ -0,0 +1,96 @@
+#!/bin/bash
+
+set -euo pipefail
+
+source "$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)/base-test.sh"
+
+setup="$ROOT/install/hardware/lenovo/yoga-slim7x.sh"
+starter="$ROOT/install/hardware/lenovo/start-yoga-slim7x-remoteprocs.sh"
+scratch=$(mktemp -d)
+trap 'rm -rf "$scratch"' EXIT
+
+bash -n "$setup" "$starter" || fail "Yoga Slim 7x hardware scripts have valid syntax"
+
+matching="$scratch/matching"
+mkdir -p "$matching"
+printf 'qcom,x1e80100\0lenovo,yoga-slim7x\0' >"$matching/compatible"
+(
+  omarchy-hw-qualcomm-soc() { return 0; }
+  omarchy-hw-match() { return 1; }
+  systemctl() { printf '%s\n' "$*" >>"$matching/systemctl.log"; }
+
+  OMARCHY_YOGA_COMPATIBLE_PATH="$matching/compatible" \
+    OMARCHY_YOGA_MODULES_LOAD_DIR="$matching/modules-load.d" \
+    OMARCHY_YOGA_MKINITCPIO_DIR="$matching/mkinitcpio.conf.d" \
+    OMARCHY_YOGA_LIMINE_CONFIG_DIR="$matching/limine-entry-tool.d" \
+    OMARCHY_YOGA_SYSTEMD_DIR="$matching/systemd" \
+    source "$setup"
+)
+
+grep -Fxq 'scmi-cpufreq' "$matching/modules-load.d/yoga-slim7x.conf" ||
+  fail "Yoga Slim 7x setup loads its SCMI CPU-frequency driver"
+grep -Fxq 'MODULES+=(i2c-hid-of qrtr ps883x pmic_glink_altmode)' \
+  "$matching/mkinitcpio.conf.d/yoga-slim7x-initramfs.conf" ||
+  fail "Yoga Slim 7x setup initializes the keyboard and display in the initramfs"
+grep -Fq '/usr/lib/firmware/qcom/gen70500_sqe.fw' \
+  "$matching/mkinitcpio.conf.d/yoga-slim7x-initramfs.conf" ||
+  fail "Yoga Slim 7x setup includes its display firmware in the initramfs"
+grep -Fxq 'KERNEL_CMDLINE[default]+=" initcall_blacklist=simpledrm_platform_driver_init"' \
+  "$matching/limine-entry-tool.d/yoga-slim7x.conf" ||
+  fail "Yoga Slim 7x setup defers display ownership to the native driver"
+grep -Fq 'ConditionPathExists=!/etc/modprobe.d/qualcomm-adsp-nofw.conf' \
+  "$matching/systemd/yoga-slim7x-remoteprocs.service" ||
+  fail "Yoga Slim 7x skips DSP startup when the generic firmware leaf blacklists it"
+if grep -Fq 'systemd-udev-settle.service' "$matching/systemd/yoga-slim7x-remoteprocs.service"; then
+  fail "Yoga Slim 7x DSP startup does not wait for all udev devices"
+fi
+grep -Fxq 'enable yoga-slim7x-remoteprocs.service' "$matching/systemctl.log" ||
+  fail "Yoga Slim 7x enables its remote processor service"
+
+nonmatching="$scratch/nonmatching"
+mkdir -p "$nonmatching"
+printf 'qcom,x1e80100\0hp,elitebook-ultra-g1q\0' >"$nonmatching/compatible"
+(
+  omarchy-hw-qualcomm-soc() { return 0; }
+  omarchy-hw-match() { return 1; }
+  systemctl() { fail "nonmatching Qualcomm hardware does not enable Yoga services"; }
+
+  OMARCHY_YOGA_COMPATIBLE_PATH="$nonmatching/compatible" \
+    OMARCHY_YOGA_MODULES_LOAD_DIR="$nonmatching/modules-load.d" \
+    OMARCHY_YOGA_MKINITCPIO_DIR="$nonmatching/mkinitcpio.conf.d" \
+    OMARCHY_YOGA_LIMINE_CONFIG_DIR="$nonmatching/limine-entry-tool.d" \
+    OMARCHY_YOGA_SYSTEMD_DIR="$nonmatching/systemd" \
+    source "$setup"
+)
+
+[[ ! -e $nonmatching/modules-load.d/yoga-slim7x.conf ]] ||
+  fail "nonmatching Qualcomm hardware does not get Yoga CPU setup"
+[[ ! -e $nonmatching/mkinitcpio.conf.d/yoga-slim7x-initramfs.conf ]] ||
+  fail "nonmatching Qualcomm hardware does not get Yoga initramfs setup"
+[[ ! -e $nonmatching/limine-entry-tool.d/yoga-slim7x.conf ]] ||
+  fail "nonmatching Qualcomm hardware does not get Yoga boot parameters"
+[[ ! -e $nonmatching/systemd/yoga-slim7x-remoteprocs.service ]] ||
+  fail "nonmatching Qualcomm hardware does not get Yoga services"
+
+remoteprocs="$scratch/remoteproc"
+mkdir -p "$remoteprocs/remoteproc0" "$remoteprocs/remoteproc1" "$remoteprocs/remoteproc2"
+printf 'qcom/x1e80100/LENOVO/83ED/qcadsp8380.mbn\n' >"$remoteprocs/remoteproc0/firmware"
+printf 'offline\n' >"$remoteprocs/remoteproc0/state"
+printf 'qcom/x1e80100/LENOVO/83ED/qccdsp8380.mbn\n' >"$remoteprocs/remoteproc1/firmware"
+printf 'offline\n' >"$remoteprocs/remoteproc1/state"
+printf 'unrelated.mbn\n' >"$remoteprocs/remoteproc2/firmware"
+printf 'offline\n' >"$remoteprocs/remoteproc2/state"
+
+OMARCHY_YOGA_REMOTEPROC_ROOT="$remoteprocs" \
+  OMARCHY_YOGA_REMOTEPROC_ATTEMPTS=1 \
+  OMARCHY_YOGA_REMOTEPROC_SLEEP=0 \
+  bash "$starter"
+
+[[ $(<"$remoteprocs/remoteproc0/state") == start ]] ||
+  fail "Yoga Slim 7x helper starts the audio DSP by firmware identity"
+[[ $(<"$remoteprocs/remoteproc1/state") == start ]] ||
+  fail "Yoga Slim 7x helper starts the compute DSP by firmware identity"
+[[ $(<"$remoteprocs/remoteproc2/state") == offline ]] ||
+  fail "Yoga Slim 7x helper leaves unrelated remote processors alone"
+
+pass "Yoga Slim 7x adds only its board-specific keyboard, display, CPU and DSP setup"