diff --git a/platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-s6100.install b/platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-s6100.install
index 9aae95a161f7..b9b6abbb35e0 100644
--- a/platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-s6100.install
+++ b/platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-s6100.install
@@ -2,8 +2,9 @@ s6100/scripts/iom_power_*.sh usr/local/bin
 s6100/scripts/s6100_platform.sh usr/local/bin
 common/dell_i2c_utils.sh usr/local/bin
 common/io_rd_wr.py usr/local/bin
+s6100/scripts/platform_reboot_override usr/share/sonic/device/x86_64-dell_s6100_c2538-r0
+s6100/scripts/override.conf /etc/systemd/system/systemd-reboot.service.d
 common/dell_lpc_mon.sh usr/local/bin
-common/platform_reboot usr/share/sonic/device/x86_64-dell_s6100_c2538-r0
 s6100/scripts/platform_sensors.py usr/local/bin
 s6100/modules/sonic_platform-1.0-py2-none-any.whl usr/share/sonic/device/x86_64-dell_s6100_c2538-r0
 s6100/scripts/platform_watchdog_enable.sh usr/local/bin
diff --git a/platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-z9100.install b/platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-z9100.install
index 8bfdcd2e9944..bb3d869cf274 100644
--- a/platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-z9100.install
+++ b/platform/broadcom/sonic-platform-modules-dell/debian/platform-modules-z9100.install
@@ -3,7 +3,8 @@ z9100/scripts/z9100_platform.sh usr/local/bin
 common/dell_i2c_utils.sh usr/local/bin
 common/dell_lpc_mon.sh usr/local/bin
 common/io_rd_wr.py usr/local/bin
-common/platform_reboot usr/share/sonic/device/x86_64-dell_z9100_c2538-r0
+z9100/scripts/platform_reboot_override usr/share/sonic/device/x86_64-dell_z9100_c2538-r0
+z9100/scripts/override.conf /etc/systemd/system/systemd-reboot.service.d
 z9100/scripts/platform_sensors.py usr/local/bin
 z9100/scripts/sensors usr/bin
 z9100/modules/sonic_platform-1.0-py2-none-any.whl usr/share/sonic/device/x86_64-dell_z9100_c2538-r0
diff --git a/platform/broadcom/sonic-platform-modules-dell/s6100/scripts/override.conf b/platform/broadcom/sonic-platform-modules-dell/s6100/scripts/override.conf
new file mode 100644
index 000000000000..cd7458e7a8b2
--- /dev/null
+++ b/platform/broadcom/sonic-platform-modules-dell/s6100/scripts/override.conf
@@ -0,0 +1,3 @@
+[Service]
+ExecStart=
+ExecStart=/usr/share/sonic/device/x86_64-dell_s6100_c2538-r0/platform_reboot_override
diff --git a/platform/broadcom/sonic-platform-modules-dell/s6100/scripts/platform_reboot_override b/platform/broadcom/sonic-platform-modules-dell/s6100/scripts/platform_reboot_override
new file mode 100755
index 000000000000..3e165630658b
--- /dev/null
+++ b/platform/broadcom/sonic-platform-modules-dell/s6100/scripts/platform_reboot_override
@@ -0,0 +1,25 @@
+#!/usr/bin/python
+import sys
+import os
+import struct
+
+PORT_RES = '/dev/port'
+
+
+def portio_reg_write(resource, offset, val):
+    fd = os.open(resource, os.O_RDWR)
+    if(fd < 0):
+        print 'file open failed %s" % resource'
+        return
+    if(os.lseek(fd, offset, os.SEEK_SET) != offset):
+        print 'lseek failed on %s' % resource
+        return
+    ret = os.write(fd, struct.pack('B', val))
+    if(ret != 1):
+        print 'write failed %d' % ret
+        return
+    os.close(fd)
+
+if __name__ == "__main__":
+    portio_reg_write(PORT_RES, 0xcf9, 0xe)
+
diff --git a/platform/broadcom/sonic-platform-modules-dell/z9100/scripts/override.conf b/platform/broadcom/sonic-platform-modules-dell/z9100/scripts/override.conf
new file mode 100644
index 000000000000..2b3b32546615
--- /dev/null
+++ b/platform/broadcom/sonic-platform-modules-dell/z9100/scripts/override.conf
@@ -0,0 +1,3 @@
+[Service]
+ExecStart=
+ExecStart=/usr/share/sonic/device/x86_64-dell_z9100_c2538-r0/platform_reboot_override
diff --git a/platform/broadcom/sonic-platform-modules-dell/z9100/scripts/platform_reboot_override b/platform/broadcom/sonic-platform-modules-dell/z9100/scripts/platform_reboot_override
new file mode 100755
index 000000000000..3e165630658b
--- /dev/null
+++ b/platform/broadcom/sonic-platform-modules-dell/z9100/scripts/platform_reboot_override
@@ -0,0 +1,25 @@
+#!/usr/bin/python
+import sys
+import os
+import struct
+
+PORT_RES = '/dev/port'
+
+
+def portio_reg_write(resource, offset, val):
+    fd = os.open(resource, os.O_RDWR)
+    if(fd < 0):
+        print 'file open failed %s" % resource'
+        return
+    if(os.lseek(fd, offset, os.SEEK_SET) != offset):
+        print 'lseek failed on %s' % resource
+        return
+    ret = os.write(fd, struct.pack('B', val))
+    if(ret != 1):
+        print 'write failed %d' % ret
+        return
+    os.close(fd)
+
+if __name__ == "__main__":
+    portio_reg_write(PORT_RES, 0xcf9, 0xe)
+