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* [https://github.com/geekworm-com/x730-script Github]
<span style='color:red;'>12. How to delete X735 script completely?
* A:
(1）sudo nano /etc/rc.local , delete "x730pwr.sh", then save
(2）sudo rm <span class="tb_red">12. How to delete X735 script completely?</etcspan>* A: Run the coomand '''./x730pwruninstall.sh''' if you found this command in the x735-script fold.
(3) sudo rm /usr/local/bin/x730shutdown.sh
"/Home/pi/x735-v2.5" indicates the path where pwn_fan_control.py is located:[[File:X120x setting1.png]]
X735
,[[File:X735 and X820 board.jpg|thumb|right|X735+X820 board]]
==Foreword==
X735 V3.0 V2.5 supports Raspberry Pi 5 hardware also.
There are 5 version of X735: V3.0, V2.5, V2.1, V2.0, V1.0:
'''Some new features of X735 v2.5:'''
* Use the silent PWM cooling fan, and support fan speed is control by script, support read fan speed, and we provide sample python code.
* <SPAN style="color:red;">You must install shell script to enable the PWM fan work fine since it's a PWM fan, refer to [[X735 V2.5 Software-script]]</span>
* Support TRUE AUTO ON function (in the old version,the power management function is disabled if AUTO ON is enabled)
* Considering that some customers use X735 together with other DAC shield, we adjusted the GPIO pins used.
* Please install shell script to get safe shutdown function. please refer to [[X735 V2.5 Software-script]]
* Remove the 2pin power cable from X735 v2.5
* No any size changes.
* [[X735 Hardware]]
* [[X735 Software-script]]
<span style="color:red;">Version 2.1</span>(Updated on Oct. 30th, 2019): Only change jumper 'FAN_HS' to 'AUTO ON' function; because we found 'AUTO ON' function is more useful to user.
Generally speaking, we require the output power of the power adapter to be above 20W;
==Function Hardware Description=={| class==="wikitable"! Model !! URL|-| X735 V3.0 ===Refer to || [http://www.suptronics.com/miniPCkits/x735_v3.0-hardware.html | X735 V3.0 Hardware]===|-| X735 V2.5 ===Refer to || [[X735 V2.5 Hardware]]|-===| X735 V2.1 (Sold out)===Please refer to || [[X735 V2.1 Hardware]]|-===| X735 V2.0 (Sold out)===|| [[X735 V2.0 Hardware]]|-Please refer to | X735 V1.0(Sold out) || [[X735 V2V1.0 Hardware]]|}
==PCB dimention==* X735 V1v3.0Dimensions source file (Sold outDXF)===Please refer to : [[File:X735-PCB-v3.0.dxf|X735 V1v3.0 HardwareDimensions source file (DXF)]]- You can view it with [https://viewer.autodesk.com/ Autodesk Viewer]online
==User Manual==
{{#ev:youtube|https://youtu.be/I1nnjh9HvGI}}
===X735 V1.0 Installation Guide ManualSoftware Installtion===[[File:X735安装说明You must install the script to enable PWM fan running and safe shutdown function.jpg|X735 installation guide]]
Please choose a different script according to the version number of X735 shield==Document=====for Version 3.0/2.5====Please refer to [[X735 V2.5 Software-script]]
====for Version 2.1 or more low version====
Please refer to '''[http://www.suptronics.com/miniPCkits/x735-hardware.html Hardware]''' and '''[http://www.suptronics.com/miniPCkits/x730-software.html Software]''' and read them and follow the instructions before ask any questions, thank you!
The safe shutdown script is same with X730.
We test this shell script base official Raspbian '2018-11-13-raspbian-stretch.img' version;other operating systems not be tested!
<pre>
x730off
</pre>
===X735 V1.0 Installation Guide Manual=Some Tips==1. https[[File://github.com/geekworm-com/x735-v2X735安装说明.5/issues/6jpg|X735 installation guide]]
==FAQ==
<span styleclass='color:red;'"tb_red">1.How to use the Auto Power On jumper and Latching Switch Jumper on X735 V2.1 version board?</span> Answer:
There two jumpers: Auto Power On jumper and Latching Switch Jumper on X735 board.
* Auto Power On jumper
:Short - Auto power-on when power applied
Open - Power on when power button pressed
* Latching Switch Jumper
:Short - Using external latching switch
:Open - Using on-board power button or external external momentary switch
* 1. When use X735 V2.1 with Geekworm [[X825-C2 Case]], we equipped '''momentary switch''' in X825 metal case, please remove both of the jumper caps.
<span styleclass='color:red;'"tb_red">2. Which GPIOs are used in the X735 V2.1 script?</span>
Answer: The GPIO4, GPIO17 and GPIO18 is used for power management. And the rest GPIO pins are available to use.
<span styleclass='color:red;'"tb_red">3.What if I connect the x820 XH2.54 5v to the IN of the X735, and then connect the power supply to the x820. Will the safe shutdown work?</span>
Answer: This is no suggested, because power supply for X820 cannot be controlled by X735 and safe shutdown won't be implemented as well.
<span styleclass='color:red;'"tb_red">4.Does the x735 power board work with the rock64 board? is the 40 pin connector compatible with the rock64 40 pin connector?</span>
Answer: In fact, we didn't test X735 based with ROCK64, and we didn't consider ROCK64 board when we wrote a safe shutdown shell script, so we think X735 is not compatible with ROCK64. Also the
<span styleclass='color:red;'"tb_red">5. What is the pinout for the PWR Switch?</span>
Answer: Please refer to here: [[PH2.0 Conector Specification]]
<span styleclass='color:red;'"tb_red">6.Does the X725/X750 support to use with X735 together?</span>
Answer: Please refer to [[Connecting the X725 UPS to the X735 Power Supply]]
<span styleclass='color:red;'"tb_red">7.Does the X735 V2.1 support to check the speed of the fan?</span>
Answer: Sorry, no, X735 V2.1 is not support to check the fan speed by software, please refer to new version X735 V2.5.
<span styleclass='color:red;'"tb_red">8. Why my RPi4 will switched off directly after connected to the X735?</span>
1. Please confirm all product connection is correct first. If you are not sure about the connection, please attach some pictures and contact us for help.
* Press and hold for more than 8 seconds, will the blue LED go out?
<span styleclass='color:red;'"tb_red">9.How to remove/unload the X735 script from your Pi?</span>
A: Open the /etc/rc.local file (sudo nano /etc/rc.local or vim /etc/rc.local to open the /etc/rc.local file;), and seach x735, then comment out that line (add # on the begin of that line);
<span styleclass='color:red;'"tb_red">10. Can the x735 work in harmony with the x765 POE? </span>
* A: Yes, but the X735 must be set as "AUTO ON" mode.
<span styleclass='color:red;'"tb_red">11. Does this supply safe shutdown when power is cut? Or just safe shutdown when power is constant and a signal switch is cut</span>
* A: Sorry, no, the X735 does not support safe shutdown when power is cut. Please consider [[X728]] if you need this function.
<span styleclass='color:red;'"tb_red">13. Can I connect DC supply 5V and at the same time connect Powerbank to USBC input of X735 as a some kind of "UPS"?</span>
* A: No. It is not support to do so.
:The POWERBANK output may not have a polarity protection circuit, and there is no path management for this connection.
<span styleclass='color:red;'"tb_red">14. After installing the script, the fan does not turn?</span>
* A: Please run the following command and tell us the result. Or upgrade the system to reinstall the test.
:<pre>sudo python /home/pi/x735-v2.5/pwm_fan_control.py</pre> :"/Home/pi/x735-v2.5" indicates the path where pwn_fan_control.py is located. <span class="tb_red">15. Is there any way to check or verify if X735 is physically connected to the Raspberry Pi?</span>* A: GPIO17=1, X735 connected, GPIO17=0 , X735 discontinued. <span class="tb_red">16. What is the current draw with power off?</span>* A: It is less than 1mA. 15.Why does the following message appear: ''this power supply cannot supply 5 a power to peripherals with be restricted'' when using <span class="tb_red">raspberry pi 5 hardware?</span>* A: The following settings are required， from the command line or terminal window start by running the following command::<pre>sudo rpi-eeprom-config -e</pre> :Change the setting of '''POWER_OFF_ON_HALT''' from '''0''' to '''1''' , :Then add '''PSU_MAX_CURRENT=5000''' at the end of the file that reads like this:
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