diff --git a/files/board/arpl/overlayfs/opt/arpl/boot.sh b/files/board/arpl/overlayfs/opt/arpl/boot.sh
index 4e1f1cb3..82b91421 100755
--- a/files/board/arpl/overlayfs/opt/arpl/boot.sh
+++ b/files/board/arpl/overlayfs/opt/arpl/boot.sh
@@ -150,9 +150,9 @@ echo -e "\033[1;37mLoading DSM kernel...\033[0m"
 # Executes DSM kernel via KEXEC
 if [ "${EFI_BUG}" = "yes" -a ${EFI} -eq 1 ]; then
   echo -e "\033[1;33mWarning, running kexec with --noefi param, strange things will happen!!\033[0m"
-  kexec --noefi -l "${MOD_ZIMAGE_FILE}" --initrd "${MOD_RDGZ_FILE}" --command-line="${CMDLINE_LINE}" >"${LOG_FILE}" 2>&1 || dieLog
+  kexec --args-linux --noefi -l "${MOD_ZIMAGE_FILE}" --initrd "${MOD_RDGZ_FILE}" --command-line="${CMDLINE_LINE}" >"${LOG_FILE}" 2>&1 || dieLog
 else
-  kexec -l "${MOD_ZIMAGE_FILE}" --initrd "${MOD_RDGZ_FILE}" --command-line="${CMDLINE_LINE}" >"${LOG_FILE}" 2>&1 || dieLog
+  kexec --args-linux -l "${MOD_ZIMAGE_FILE}" --initrd "${MOD_RDGZ_FILE}" --command-line="${CMDLINE_LINE}" >"${LOG_FILE}" 2>&1 || dieLog
 fi
 /sbin/swapoff -a >/dev/null 2>&1 || true
 /bin/umount -a -r >/dev/null 2>&1 || true
diff --git a/files/board/arpl/overlayfs/opt/arpl/zImage_template.gz b/files/board/arpl/overlayfs/opt/arpl/bzImage-template-v4.gz
similarity index 100%
rename from files/board/arpl/overlayfs/opt/arpl/zImage_template.gz
rename to files/board/arpl/overlayfs/opt/arpl/bzImage-template-v4.gz
diff --git a/files/board/arpl/overlayfs/opt/arpl/bzImage-template-v5.gz b/files/board/arpl/overlayfs/opt/arpl/bzImage-template-v5.gz
new file mode 100644
index 00000000..bfb0c0a6
Binary files /dev/null and b/files/board/arpl/overlayfs/opt/arpl/bzImage-template-v5.gz differ
diff --git a/files/board/arpl/overlayfs/opt/arpl/kpatch b/files/board/arpl/overlayfs/opt/arpl/kpatch
index 006e08cb..275c08ad 100755
Binary files a/files/board/arpl/overlayfs/opt/arpl/kpatch and b/files/board/arpl/overlayfs/opt/arpl/kpatch differ
diff --git a/files/board/arpl/overlayfs/opt/arpl/model-configs/SA6400.yml.disabled b/files/board/arpl/overlayfs/opt/arpl/model-configs/SA6400.yml.disabled
new file mode 100644
index 00000000..4b899421
--- /dev/null
+++ b/files/board/arpl/overlayfs/opt/arpl/model-configs/SA6400.yml.disabled
@@ -0,0 +1,46 @@
+id: "SA6400"
+synoinfo: &synoinfo
+  support_disk_compatibility: "no"
+  support_memory_compatibility: "no"
+  support_led_brightness_adjustment: "no"
+  rss_server: "https://raw.githubusercontent.com/fbelavenuto/arpl/main/rss.xml"
+  rss_server_ssl: "https://raw.githubusercontent.com/fbelavenuto/arpl/main/rss.xml"
+  rss_server_v2: "https://raw.githubusercontent.com/fbelavenuto/arpl/main/rss.json"
+cmdline: &cmdline
+  SMBusHddDynamicPower: 1
+  synoboot2:
+  syno_ttyS0: "serial,0x3f8"
+  syno_ttyS1: "serial,0x2f8"
+  vender_format_version: 2
+platform: "epyc7002"
+unique: "synology_epyc7002_sa6400"
+beta: true
+dom: 2
+serial:
+  prefix:
+    - "0000"
+  middle: "XXX"
+  suffix: "alpha"
+disks: 16
+dt: true
+builds:
+  42962:
+    ver: "7.1.1"
+    kver: "5.10.55"
+    rd-compressed: false
+    efi-bug: no
+    cmdline:
+      <<: *cmdline
+    synoinfo:
+      <<: *synoinfo
+    pat:
+      url: "https://global.download.synology.com/download/DSM/release/7.1.1/42962/DSM_SA6400_42962.pat"
+      hash: "83fc408380ebb1381224261de6220b873d7b62a99e715557509ae9553f618a71"
+      ramdisk-hash: "d4efe45fc4dd71758fe365f7eb39d24982d1440b00986259cab9a03577982f68"
+      zimage-hash: "d5b8af848fc585695e35bd1c4f4c953fd8e54435b2799face4f8f350bac6df93"
+      md5-hash: "fdbbea86e280a8f754339a064f9ad2df"
+    patch:
+      - "ramdisk-common-disable-root-pwd.patch"
+      - "ramdisk-common-init-script.patch"
+      - "ramdisk-common-etc-rc.patch"
+      - "ramdisk-42951-post-init-script.patch"
diff --git a/files/board/arpl/overlayfs/opt/arpl/vmlinux-to-bzImage.sh b/files/board/arpl/overlayfs/opt/arpl/vmlinux-to-bzImage.sh
index d1b463b7..6b1bd679 100755
--- a/files/board/arpl/overlayfs/opt/arpl/vmlinux-to-bzImage.sh
+++ b/files/board/arpl/overlayfs/opt/arpl/vmlinux-to-bzImage.sh
@@ -1,21 +1,11 @@
 #!/bin/sh
+# Based on code and ideas from @jumkey
 
 . /opt/arpl/include/functions.sh
 
-#zImage_head           16494
-#payload(
-#  vmlinux.bin         x
-#  padding             0xf00000-x
-#  vmlinux.bin size    4
-#)                     0xf00004
-#zImage_tail(
-#  unknown             72
-#  run_size            4
-#  unknown             30
-#  vmlinux.bin size    4
-#  unknown             114460
-#)                     114570
-#crc32                 4
+MODEL="`readConfigKey "model" "${USER_CONFIG_FILE}"`"
+BUILD="`readConfigKey "build" "${USER_CONFIG_FILE}"`"
+KVER="`readModelKey "${MODEL}" "builds.${BUILD}.kver"`"
 
 # Adapted from: scripts/Makefile.lib
 # Usage: size_append FILE [FILE2] [FILEn]...
@@ -51,12 +41,41 @@ size_le () {
 SCRIPT_DIR=`dirname $0`
 VMLINUX_MOD=${1}
 ZIMAGE_MOD=${2}
-gzip -cd "${SCRIPT_DIR}/zImage_template.gz" > "${ZIMAGE_MOD}"
+if [ ${KVER:0:1} -eq 4 ]; then
+  # Kernel version 4.x
+  #zImage_head           16494
+  #payload(
+  #  vmlinux.bin         x
+  #  padding             0xf00000-x
+  #  vmlinux.bin size    4
+  #)                     0xf00004
+  #zImage_tail(
+  #  unknown             72
+  #  run_size            4
+  #  unknown             30
+  #  vmlinux.bin size    4
+  #  unknown             114460
+  #)                     114570
+  #crc32                 4
+  gzip -cd "${SCRIPT_DIR}/bzImage-template-v4.gz" > "${ZIMAGE_MOD}"
 
-dd if="${VMLINUX_MOD}" of="${ZIMAGE_MOD}" bs=16494 seek=1 conv=notrunc >"${LOG_FILE}" 2>&1 || dieLog
-file_size_le "${VMLINUX_MOD}" | dd of="${ZIMAGE_MOD}" bs=15745134 seek=1 conv=notrunc >"${LOG_FILE}" 2>&1 || dieLog
+  dd if="${VMLINUX_MOD}" of="${ZIMAGE_MOD}" bs=16494 seek=1 conv=notrunc >"${LOG_FILE}" 2>&1 || dieLog
+  file_size_le "${VMLINUX_MOD}" | dd of="${ZIMAGE_MOD}" bs=15745134 seek=1 conv=notrunc >"${LOG_FILE}" 2>&1 || dieLog
+  file_size_le "${VMLINUX_MOD}" | dd of="${ZIMAGE_MOD}" bs=15745244 seek=1 conv=notrunc >"${LOG_FILE}" 2>&1 || dieLog
 
-RUN_SIZE=`objdump -h ${VMLINUX_MOD} | sh "${SCRIPT_DIR}/calc_run_size.sh"`
-size_le $RUN_SIZE | dd of=$ZIMAGE_MOD bs=15745210 seek=1 conv=notrunc >"${LOG_FILE}" 2>&1 || dieLog
-file_size_le "${VMLINUX_MOD}" | dd of="${ZIMAGE_MOD}" bs=15745244 seek=1 conv=notrunc >"${LOG_FILE}" 2>&1 || dieLog
-size_le $(($((16#`crc32 "${ZIMAGE_MOD}" | awk '{print$1}'`)) ^ 0xFFFFFFFF)) | dd of="${ZIMAGE_MOD}" conv=notrunc oflag=append >"${LOG_FILE}" 2>&1 || dieLog
+  RUN_SIZE=`objdump -h ${VMLINUX_MOD} | sh "${SCRIPT_DIR}/calc_run_size.sh"`
+  size_le ${RUN_SIZE} | dd of=${ZIMAGE_MOD} bs=15745210 seek=1 conv=notrunc >"${LOG_FILE}" 2>&1 || dieLog
+  size_le $(($((16#`crc32 "${ZIMAGE_MOD}" | awk '{print$1}'`)) ^ 0xFFFFFFFF)) | dd of="${ZIMAGE_MOD}" conv=notrunc oflag=append >"${LOG_FILE}" 2>&1 || dieLog
+else
+  # Kernel version 5.x
+  gzip -cd "${SCRIPT_DIR}/bzImage-template-v5.gz" > "${ZIMAGE_MOD}"
+
+  lzma -9c ${VMLINUX_MOD} > ${TMP_PATH}/vmlinux-mod.lzma
+  dd if="${TMP_PATH}/vmlinux-mod.lzma" of="${ZIMAGE_MOD}" bs=15377 seek=1 conv=notrunc >"${LOG_FILE}" 2>&1 || dieLog
+  file_size_le "${VMLINUX_MOD}" | dd of="${ZIMAGE_MOD}" bs=8377991 seek=1 conv=notrunc >"${LOG_FILE}" 2>&1 || dieLog
+  file_size_le "${VMLINUX_MOD}" | dd of="${ZIMAGE_MOD}" bs=8420412 seek=1 conv=notrunc >"${LOG_FILE}" 2>&1 || dieLog
+
+  RUN_SIZE=`objdump -h ${VMLINUX_MOD} | sh "${SCRIPT_DIR}/calc_run_size.sh"`
+  size_le ${RUN_SIZE} | dd of=${ZIMAGE_MOD} bs=8420408 seek=1 conv=notrunc >"${LOG_FILE}" 2>&1 || dieLog
+  size_le $(($((16#`crc32 "${ZIMAGE_MOD}" | awk '{print$1}'`)) ^ 0xFFFFFFFF)) | dd of="${ZIMAGE_MOD}" conv=notrunc oflag=append >"${LOG_FILE}" 2>&1 || dieLog
+fi
diff --git a/files/board/arpl/p3/addons/reducelog/all.tgz b/files/board/arpl/p3/addons/reducelog/all.tgz
new file mode 100644
index 00000000..a90d1fac
Binary files /dev/null and b/files/board/arpl/p3/addons/reducelog/all.tgz differ
diff --git a/files/board/arpl/p3/addons/reducelog/manifest.yml b/files/board/arpl/p3/addons/reducelog/manifest.yml
new file mode 100644
index 00000000..d18102e1
--- /dev/null
+++ b/files/board/arpl/p3/addons/reducelog/manifest.yml
@@ -0,0 +1,15 @@
+version: 1
+name: reducelog
+description: "Addon to reduce DSM log"
+all:
+  install-script: "install.sh"
+available-for:
+  bromolow-3.10.108:
+  apollolake-4.4.180:
+  broadwell-4.4.180:
+  broadwellnk-4.4.180:
+  denverton-4.4.180:
+  geminilake-4.4.180:
+  v1000-4.4.180:
+  r1000-4.4.180:
+  epyc7002-5.10.55:
diff --git a/files/board/arpl/p3/addons/remove-pma/all.tgz b/files/board/arpl/p3/addons/remove-pma/all.tgz
new file mode 100644
index 00000000..b4c903d9
Binary files /dev/null and b/files/board/arpl/p3/addons/remove-pma/all.tgz differ
diff --git a/files/board/arpl/p3/addons/remove-pma/manifest.yml b/files/board/arpl/p3/addons/remove-pma/manifest.yml
new file mode 100644
index 00000000..b94bd02d
--- /dev/null
+++ b/files/board/arpl/p3/addons/remove-pma/manifest.yml
@@ -0,0 +1,15 @@
+version: 1
+name: remove-pma
+description: "Create a cron entry to remove *.pma files from Surveillance Station (#215 issue)"
+all:
+  install-script: "install.sh"
+available-for:
+  bromolow-3.10.108:
+  apollolake-4.4.180:
+  broadwell-4.4.180:
+  broadwellnk-4.4.180:
+  denverton-4.4.180:
+  geminilake-4.4.180:
+  v1000-4.4.180:
+  r1000-4.4.180:
+  epyc7002-5.10.55:
diff --git a/files/board/arpl/p3/modules/apollolake-4.4.180.tgz b/files/board/arpl/p3/modules/apollolake-4.4.180.tgz
index 6f448d69..f6a25242 100644
Binary files a/files/board/arpl/p3/modules/apollolake-4.4.180.tgz and b/files/board/arpl/p3/modules/apollolake-4.4.180.tgz differ
diff --git a/files/board/arpl/p3/modules/broadwell-4.4.180.tgz b/files/board/arpl/p3/modules/broadwell-4.4.180.tgz
index 23204a0e..33ade68e 100644
Binary files a/files/board/arpl/p3/modules/broadwell-4.4.180.tgz and b/files/board/arpl/p3/modules/broadwell-4.4.180.tgz differ
diff --git a/files/board/arpl/p3/modules/broadwellnk-4.4.180.tgz b/files/board/arpl/p3/modules/broadwellnk-4.4.180.tgz
index 74384b1e..e3d02af3 100644
Binary files a/files/board/arpl/p3/modules/broadwellnk-4.4.180.tgz and b/files/board/arpl/p3/modules/broadwellnk-4.4.180.tgz differ
diff --git a/files/board/arpl/p3/modules/bromolow-3.10.108.tgz b/files/board/arpl/p3/modules/bromolow-3.10.108.tgz
index 6c723299..02aefefc 100644
Binary files a/files/board/arpl/p3/modules/bromolow-3.10.108.tgz and b/files/board/arpl/p3/modules/bromolow-3.10.108.tgz differ
diff --git a/files/board/arpl/p3/modules/denverton-4.4.180.tgz b/files/board/arpl/p3/modules/denverton-4.4.180.tgz
index eef1c839..8db15f82 100644
Binary files a/files/board/arpl/p3/modules/denverton-4.4.180.tgz and b/files/board/arpl/p3/modules/denverton-4.4.180.tgz differ
diff --git a/files/board/arpl/p3/modules/epyc7002-5.10.55.tgz b/files/board/arpl/p3/modules/epyc7002-5.10.55.tgz
new file mode 100644
index 00000000..a36c1b2c
Binary files /dev/null and b/files/board/arpl/p3/modules/epyc7002-5.10.55.tgz differ
diff --git a/files/board/arpl/p3/modules/geminilake-4.4.180.tgz b/files/board/arpl/p3/modules/geminilake-4.4.180.tgz
index 219ea863..787684f5 100644
Binary files a/files/board/arpl/p3/modules/geminilake-4.4.180.tgz and b/files/board/arpl/p3/modules/geminilake-4.4.180.tgz differ
diff --git a/files/board/arpl/p3/modules/v1000-4.4.180.tgz b/files/board/arpl/p3/modules/v1000-4.4.180.tgz
index 149a7f09..8c79497a 100644
Binary files a/files/board/arpl/p3/modules/v1000-4.4.180.tgz and b/files/board/arpl/p3/modules/v1000-4.4.180.tgz differ
diff --git a/kpatch/kpatch b/kpatch/kpatch
new file mode 100755
index 00000000..275c08ad
Binary files /dev/null and b/kpatch/kpatch differ
diff --git a/kpatch/main.c b/kpatch/main.c
index b25d33e5..4e070e9a 100644
--- a/kpatch/main.c
+++ b/kpatch/main.c
@@ -60,6 +60,7 @@ void errorMsg(char *fmt, ...) {
     va_start(args, fmt);
     vfprintf(stderr, fmt, args);
     va_end(args);
+    fprintf(stderr, "\n");
     exit(1);
 }
 
@@ -307,15 +308,39 @@ int main(int argc, char *argv[]) {
     Elf_Scn *section;
     GElf_Shdr sectionHeader;
     char *sectionName;
+    char *fileIn = NULL, *fileOut = NULL;
+    int onlyBoot = 0, onlyRD = 0, onlyCMOS = 0, c;
 
-    if (argc != 3) {
-        errorMsg("Use: kpatch <vmlinux> <output>\n");
+    if (argc < 3) {
+        errorMsg("Use: kpatch (option) <vmlinux> <output>\nOptions:\n -b  Only bootparams\n -r  Only ramdisk\n -c  Only CMOS");
+    }
+    c = 1;
+    while (c < argc) {
+      if (strcmp(argv[c], "-b") == 0) {
+        onlyBoot = 1;
+      } else if (strcmp(argv[c], "-r") == 0) {
+        onlyRD = 1;
+      } else if (strcmp(argv[c], "-c") == 0) {
+        onlyCMOS = 1;
+      } else if (fileIn == NULL) {
+        fileIn = argv[c];
+      } else {
+        fileOut = argv[c];
+        break;
+      }
+      ++c;
+    }
+    if (NULL == fileIn) {
+        errorMsg("Please give a input filename");
+    }
+    if (NULL == fileOut) {
+        errorMsg("Please give a output filename");
     }
 
     if (elf_version(EV_CURRENT) == EV_NONE)
         elfErrno();
 
-    if ((fd = open(argv[1], O_RDONLY)) == -1)
+    if ((fd = open(fileIn, O_RDONLY)) == -1)
         errorNum();
 
     if ((elfHandle = elf_begin(fd, ELF_C_READ, NULL)) == NULL)
@@ -367,10 +392,22 @@ int main(int argc, char *argv[]) {
     printf("Found .init.text offset @ %lX\n", initTextOffs);
     printf("Found .rodata address @ %lX\n", rodataAddr);
     printf("Found .rodata offset @ %lX\n", rodataOffs);
-    patchBootParams();
-    patchRamdiskCheck();
-    patchCmosWrite();
-    if ((fd = open(argv[2], O_WRONLY | O_CREAT, 0644)) == -1) {
+    if (onlyBoot == 0 && onlyCMOS == 0 && onlyRD == 0) {
+        patchBootParams();
+        patchRamdiskCheck();
+        patchCmosWrite();
+    } else {
+        if (onlyBoot == 1) {
+            patchBootParams();
+        }
+        if (onlyRD == 1) {
+            patchRamdiskCheck();
+        }
+        if (onlyCMOS == 1) {
+            patchCmosWrite();
+        }
+    }
+    if ((fd = open(fileOut, O_WRONLY | O_CREAT, 0644)) == -1) {
         errorNum();
     }
     if (fileSize != write(fd, fileData, fileSize)) {