From e94f272209bc76fd8073178093750669af2fc152 Mon Sep 17 00:00:00 2001
From: Cody Cook <gitlab@codycook.us>
Date: Sun, 1 Dec 2019 10:53:00 -0800
Subject: [PATCH] Add new file

---
 install.sh | 76 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 install.sh

diff --git a/install.sh b/install.sh
new file mode 100644
index 0000000..af16618
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,76 @@
+#!/bin/bash
+
+bye() {
+  echo "$1"
+  cd /
+  rm -rf $orig_dir
+  exit
+}
+
+orig_dir=`pwd`
+
+# Make sure this is a NV
+if ! grep -q "model:.*ReadyNAS NV" /proc/sys/dev/boot/info; then
+  mesg="Unsuccessful setting minimum fan speed.  Wrong system detected."
+  bye "$mesg"
+fi
+
+# Make sure this is running the right system rev
+if ! grep -q "system_rev:.*0005" /proc/sys/dev/boot/info; then
+  mesg="Unsuccessful setting minimum fan speed.  Wrong system rev detected."
+  bye "$mesg"
+fi
+
+
+# Check fan speed to make sure it's in range.  This tells us if the fan
+# adapter is installed
+echo 255 > /proc/sys/dev/hwmon/fan0_speed_control
+sleep 5
+speed=`cat /proc/sys/dev/hwmon/fan_0`
+
+if [ $speed -gt 2500 ]; then
+  mesg="Unsuccessful setting minimum fan speed.  Fan adapter not installed."
+  bye "$mesg"
+fi
+
+
+# After install fan adaptor, change VPD to version 4
+
+# Remove USB modules if neccessary
+rmmod usb-uhci ehci-hcd
+if lsmod | egrep -q "usb-uhci|ehci-hcd"; then
+  mesg="Unsuccessful setting minimum fan speed.  Disconnect USB devices and try again."
+  bye "$mesg"
+fi
+
+# Temp working directory, use system temp if possible
+mkdir vpd_change_temp_dir
+cd vpd_change_temp_dir
+
+# Min RPM 1900 / 64 = 29 = 0x1d * 64 = 1856 RPM
+printf "\x1d" > min_rpm
+dd if=min_rpm of=/dev/mtdblock0 bs=1 seek=33153 count=1
+
+# Min PWM 16
+printf "\x10" > min_pwm
+dd if=min_pwm of=/dev/mtdblock0 bs=1 seek=33154 count=1
+
+# CFT PWM 255
+printf "\xff" > cft_pwm
+dd if=cft_pwm of=/dev/mtdblock0 bs=1 seek=33155 count=1
+
+# Change System revision number
+printf "\x04" > sys_rev
+dd if=sys_rev of=/dev/mtdblock0 bs=1 seek=33159
+
+# Force fan recalibration
+rm -f /etc/frontview/fan_setting_*
+
+
+# Clean up
+cd ..
+rm -rf vpd_change_temp_dir
+
+mesg="Successfully set minimum fan speed.  Please reboot the ReadyNAS now."
+bye "$mesg"
+