diff --git a/iso/vendor/arcconf b/iso/vendor/arcconf
new file mode 100755
index 0000000..c95e6f5
Binary files /dev/null and b/iso/vendor/arcconf differ
diff --git a/iso/vendor/sas2ircu b/iso/vendor/sas2ircu
new file mode 100755
index 0000000..94277f8
Binary files /dev/null and b/iso/vendor/sas2ircu differ
diff --git a/iso/vendor/sas3ircu b/iso/vendor/sas3ircu
new file mode 100755
index 0000000..fb521cd
Binary files /dev/null and b/iso/vendor/sas3ircu differ
diff --git a/iso/vendor/ssacli b/iso/vendor/ssacli
new file mode 100755
index 0000000..5b71e38
Binary files /dev/null and b/iso/vendor/ssacli differ
diff --git a/iso/vendor/storcli64 b/iso/vendor/storcli64
new file mode 100755
index 0000000..a48b9e1
Binary files /dev/null and b/iso/vendor/storcli64 differ
diff --git a/scripts/fetch-vendor.sh b/scripts/fetch-vendor.sh
deleted file mode 100755
index a2c227c..0000000
--- a/scripts/fetch-vendor.sh
+++ /dev/null
@@ -1,74 +0,0 @@
-#!/bin/sh
-# fetch-vendor.sh — download proprietary vendor utilities into iso/vendor.
-#
-# Usage:
-#   STORCLI_URL=... STORCLI_SHA256=... \
-#   SAS2IRCU_URL=... SAS2IRCU_SHA256=... \
-#   SAS3IRCU_URL=... SAS3IRCU_SHA256=... \
-#   MSTFLINT_URL=... MSTFLINT_SHA256=... \
-#   sh scripts/fetch-vendor.sh
-
-set -eu
-
-ROOT_DIR=$(CDPATH= cd -- "$(dirname -- "$0")/.." && pwd)
-OUT_DIR="$ROOT_DIR/iso/vendor"
-mkdir -p "$OUT_DIR"
-
-need_cmd() {
-    command -v "$1" >/dev/null 2>&1 || { echo "ERROR: required command not found: $1" >&2; exit 1; }
-}
-
-need_cmd sha256sum
-
-download_to() {
-    url="$1"
-    out="$2"
-    if command -v wget >/dev/null 2>&1; then
-        wget -O "$out" "$url"
-        return 0
-    fi
-    if command -v curl >/dev/null 2>&1; then
-        curl -fsSL "$url" -o "$out"
-        return 0
-    fi
-    echo "ERROR: required command not found: wget or curl" >&2
-    exit 1
-}
-
-fetch_one() {
-    name="$1"
-    url="$2"
-    sha="$3"
-
-    if [ -z "$url" ] || [ -z "$sha" ]; then
-        echo "[vendor] skip $name (URL/SHA not provided)"
-        return 0
-    fi
-
-    dst="$OUT_DIR/$name"
-    tmp="$dst.tmp"
-
-    echo "[vendor] downloading $name"
-    download_to "$url" "$tmp"
-
-    got=$(sha256sum "$tmp" | awk '{print $1}')
-    want=$(echo "$sha" | tr '[:upper:]' '[:lower:]')
-    if [ "$got" != "$want" ]; then
-        rm -f "$tmp"
-        echo "ERROR: checksum mismatch for $name" >&2
-        echo "  got:  $got" >&2
-        echo "  want: $want" >&2
-        exit 1
-    fi
-
-    mv "$tmp" "$dst"
-    chmod +x "$dst" || true
-    echo "[vendor] ok: $name"
-}
-
-fetch_one "storcli64" "${STORCLI_URL:-}" "${STORCLI_SHA256:-}"
-fetch_one "sas2ircu" "${SAS2IRCU_URL:-}" "${SAS2IRCU_SHA256:-}"
-fetch_one "sas3ircu" "${SAS3IRCU_URL:-}" "${SAS3IRCU_SHA256:-}"
-fetch_one "mstflint" "${MSTFLINT_URL:-}" "${MSTFLINT_SHA256:-}"
-
-echo "[vendor] done. output dir: $OUT_DIR"