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PiKVM is a Free and Open Source Software that is released under the GPLv3 license. The Operating System (OS) image provided here is solely for the purpose of hardware testing. For commercial use, it is advised to directly contact the developers of PiKVM.

The development of this software would not be possible without the financial backing of the community. Contributions play a vital role in sustaining and advancing the project. If you wish to contribute, you can visit the PiKVM donation page at https://pikvm.org/donate/. Your support is greatly appreciated and will help in the continuous development and improvement of this software.

  

  
   

*Compatible with PiKVM V3 platform OS version only, not support V4
*Not support Mass Storage Emulation as the integrated USB hub supports data sharing between 4 target hosts and can also be used for one of them, which will be available even in BIOS/UEFI when you need a live disk to revive the OS or even reinstall it. 		 
       Flash the image  
 
  How to install Raspberry Pi Imager

Raspberry Pi Imager is free to install from the official Raspberry Pi website. It's available for MacOS, Windows, and Ubuntu systems.

  1. Visit the Raspberry Pi download page.
  2. Download the Raspberry Pi Imager installer for your Operating System.
  3. Run the installer and follow the prompts to complete the setup.

Write a Raspberry Pi Imager built-in image

 

1. Launch Raspberry Pi Imager.
2. Click Choose OS.
3. Select Use custom to write an unlisted image.
4. Click Choose SD card.
5. Select from the list the SD card you want to write to.
6. Click Write to begin the image writing process.


When the imager is finished, you can connect your microSD card to the Pi and boot it up.

Raspberry Pi Imager alternatives

If for whatever reason you don't want to or are unable to use Raspberry Pi Imager, you can opt to use an alternative application. Here are a couple we've relied on over the years leading up to the new imager release.

 
 - balenaEtcher - The application runs on Windows, MacOS, and Ubuntu operating systems.

 - Win32 Disk Imager - This imaging software is designed for Windows machines.
  
 
       Programming the Compute Module  
 
 

To program the Compute Module with eMMC, an external “host” PC is connected to the compoute module USB Type-B port on the rear panel. After connecting the USB cable and running the “rpiboot” utility, the Compute Module 4 will then appear as a USB device to the “host” PC, allowing it to be programmed.

 

  
 

                                          Host USB Connection for eMMC Programming		  
 
   1   

Connect the power supply (5V 4A)

    2   

Locat a USB port on your PC/laptop and connect using an USB2.0 A to B cable

  
             
   3   

Important: Remove the USB cable after programming is complete.

      
             
 
       Configuring the OS  
 
  1. Access to web interface

Access to PiKVM Web Interface via any browser with the URL https://pikvm/ OR https:// IP address of your ipkvm/  .



2. Log in to PiKVM and click Terminal :

3. Get root access (enter the root password: root ).

   [kvmd-webterm@pikvm ~]$ su

4. To enable write-mode

   [kvmd-webterm@pikvm ~]$ rw

5. To support max resolution 1920x1080 60Hz

   [root@pikvm kvmd-webterm]# nano /boot/config.txt

Change the line7 from dtoverlay=tc358743 to dtoverlay=tc358743,4lane=1



6. Save and exit by hitting CTRL + X, answering Y and hitting Enter when prompted.

7. Editing the EDID
   [root@pikvm kvmd-webterm]# nano /etc/kvmd/tc358743-edid.hex

Delete existing EDID data, then copy and paste below new EDID data
 
00FFFFFFFFFFFF005262888800888888
1C150103800000780AEE91A3544C9926
0F505400000001010101010101010101
010101010101011D007251D01E206E28
5500C48E2100001E8C0AD08A20E02D10
103E9600138E2100001E000000FC0054
6F73686962612D4832430A20000000FD
003B3D0F2E0F1E0A202020202020014F
020323454F041303021211012021A23C
3D3E1F102309070766030C00300080E3
007F8C8C0AD08A20E02D10103E9600C4
8E210000188C0AD08A20E02D10103E96
00138E210000188C0AA01451F0160026
7C4300138E2100009800000000000000
00000000000000000000000000000000
00000000000000000000000000000087

8. Save and exit by hitting CTRL + X, answering Y and hitting Enter when prompted.

9. Adding UI elements to control the KVM switch

   [root@pikvm kvmd-webterm]# nano /etc/kvmd/override.yaml

Edit the file: /etc/kvmd/override.yaml and include the following. 
kvmd:
    gpio:
        scheme:
            button1:
                pin: 16 # GPIO pin number for PC1
                mode: output
                switch: false
                pulse:
                    delay: 1
                    max_delay: 2
            button2:
                pin: 26 # GPIO pin number for PC2
                mode: output
                switch: false
                pulse:
                    delay: 1
                    max_delay: 2
            button3:
                pin: 11 # GPIO pin number for PC3
                mode: output
                switch: false
                pulse:
                    delay: 1
                    max_delay: 2
            button4:
                pin: 17 # GPIO pin number for PC4
                mode: output
                switch: false
                pulse:
                    delay: 1
                    max_delay: 2

        view:
            header:
                title: Switches  # The menu title
            table:  # The menu items are rendered in the form of a table of text labels and controls
                - ["#X680 IPKVM Switch"]  # Text starting with the sharp symbol will be a label
                - []  # creates a horizontal separator and starts a new table
                - ["#PC1-XXXXX:", button1]  # Text label for PC1, one button with text "Click"
                - ["#PC2-XXXXX:", button2]  # Text label for PC2, one button with text "Click"
                - ["#PC3-XXXXX:", button3]  # Text label for PC3, one button with text "Click"
                - ["#PC4-XXXXX:", button4]  # Text label for PC4, one button with text "Click"


 reads like this:


10. Save and exit by hitting CTRL + X, answering Y and hitting Enter when prompted.

11. Restart the kvmd service

   [root@pikvm kvmd-webterm]# systemctl restart kvmd

12. Switching between hosts in the UI

To switch between hosts, enter the KVM UI and click the "Switches" menu. Click the buttons.



13. To disable write mode

   [root@pikvm kvmd-webterm]# ro

14. Reboot the system

   [root@pikvm kvmd-webterm]# reboot
   
 
     About Mass Storage Emulation  
   
  The X680 doesn't support PiKVM's Mass Storage Drive because it already supports hotkey switching. The integrated USB hub supports data sharing between 4 target hosts and can also be used for one of them, which will be available even in BIOS/UEFI when you need a live disk to revive the OS or even reinstall it.

Step-by-Step Guide: Reinstalling the Operating System Remotely

1. Insert a flash drive into a USB 2.0 port on your X680.

2. Utilize one of the target hosts to create a bootable USB stick using standard Microsoft tools, such as the Media Creation Tool. Alternatively, you can create a bootable USB stick from an ISO file using other tools like Rufus.

3. Switch to the target host where the operating system will be installed and proceed with the regular installation procedure.
   
 
     CSI-2 bridge connection test  
   
  Make sure that the ‘/dev/video0’ device is available. Use this command to check:


   [kvmd-webterm@pikvm ~]$ ls /dev/video0



If you see anything other than ‘file not found‘, then it’s available. 
   
 
 
   
   
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