System Image Flashing

System Image Flashing

System Overview

FlyOS-Fast is a lightweight Linux system specifically customized for 3D printing, supporting all FLY series host platforms. Its features include:

• Fast boot speed, kernel optimization ensures Klipper's real-time performance
• File system optimization reduces the risk of boot failure caused by power outages
• KlipperScreen starts in 30 seconds
• Pre-installed services including Klipper, RRF, Mainsail, Fluidd, Moonraker, KlipperScreen, etc.
• Supports switching between Klipper and RRF systems
• Supports one-click online switching between Mainsail and Fluidd
• Supports USB printing, power failure recovery, serial LCD screens
• Supports automatic firmware flashing at boot (fly-c8, fly-geminiv3)
• Allows setting default language and printer name for Fluidd and other front-end UIs in advance

For more OEM customization features (such as boot logo, preset configuration files, hiding Mainsail tabs, etc.), please contact us.

Note

This system is a lightweight customized system. The built-in components and services such as klipper are not official versions and do not support user modifications or upgrades.

• The system account for FLYOS-FAST is root, with password mellow

Preparations Before System Flashing

1. Prepare the required devices

If using a TF card to boot the system, prepare the following equipment

• Card reader
• TF card, capacity 16GB-128GB, transfer speed Class10 or higher
• It is recommended to use TF cards from well-known brands such as SanDisk, Samsung, or Kioxia. Do not use unbranded TF cards!
• A Windows system computer (Windows 7, 10, or 11)

If using M2WE to boot the system, prepare the following equipment

• M2WE (FLY proprietary device)
• M2SD (FLY flashing device)
• A Windows system computer (Windows 7, 10, or 11)
• Installation diagram
• M2WE printing file download, using this print can prevent poor contact issues
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2. Download the FLY-H5 system image:

   • The current FAST version is FlyOS-FAST-V1.2.48
   • Please note that you need to download the FLY-H5 image within the FlyOS-FAST-V1.2.48 folder
   • Click the link below to go to the system image download page
   • System Image
     tip

     • System file naming rule: FlyOS-Fast-[chip series]-[version number].img, for example: FlyOS-Fast-H5-v1.0.0.img
     • Windows system download .exe file, this is a 7z self-extracting archive. After download completes, double-click to extract and get the .img file (can only be extracted on Windows)
     • For other systems like MacOS or Linux, download the .7z file, which is a 7z compressed file. After download completes, use tools that support 7z format to extract and get the .img file
     • Due to large file size, other compression formats and source images are not provided currently
     • This tutorial uses .exe and Google Drive as examples
   • Access the cloud drive, click FlyOS-FAST-V1.2.48
   
   • Click the image you need to download
   • In this tutorial, you need to download Fly_FAST-H5.exe
   
   • Click "Download Anyway"
   

3. Extract the system image file to get the .img file.

   • Double-click or right-click to open FlyOS-Fast-H5.exe, wait a few seconds and the following window will pop up (if the system warns about security, choose "More info" -> "Run")
   • You can choose the extraction directory, then click the Extract button and wait for extraction to complete.
   
   • After extraction completes, the FlyOS-Fast-H5-vx.x.x.img file will be generated in the extraction directory. x.x.x is the system version number.

4. Install the device to be flashed on the computer

Flashing the System

1. Open Rufus, select the device. The displayed capacity should match the capacity of the inserted flash card.

   

2. Select Boot selection, this can be left as default set to Image file.

3. To select the image file, click the Select button on the right side of Boot selection, and choose the extracted .img file.

4. After selecting the image file, Boot selection will display the filename of the image.

   

5. Click the Start button. If a window pops up prompting that disk data needs to be cleared, click OK.

   

6. When flashing completes, the computer will emit a beep sound and the progress bar will display Ready.

   

7. After flashing completes, there's no need to immediately remove the flash card.

8. Open File Explorer and check if there is a USB drive or removable disk named FlyOS-Conf.

   

9. Open FlyOS-Conf, if the two files shown in the image below exist, the flashing was successful.

   

10. Install the system card onto the motherboard.

Installing the System Card

Install the TF card on Gemini-V3

• After flashing the system to the TF card, you need to connect the TF card to position C8, otherwise the system will not boot.

Install the M2WE card on Gemini-V3

• Please note that if there is a TF card, the system will boot from the TF card by default.
• Please note that a 1.27 hex screwdriver is required to secure the screws.

Installing the Antenna

1. Install the antenna for the M2WE or 2.4G WiFi module.

warning

• The FLY host computer requires the M2WE or 2.4G WIFI module; otherwise, Wi-Fi cannot be used.
• Please note that the host computer does not support Wi-Fi with Chinese names and does not support dual-band Wi-Fi (2.4G and 5G combined).

• The red arrow indicates the Wi-Fi antenna interface.
• The Wi-Fi antenna port is ipex1.
• Please install the antenna onto the M2WE; otherwise, poor signal may prevent connection to the router.

tip

• After installing the system card, proceed to the next step: connecting to the host via SSH.

2. Power the host computer.
   At this point, your host computer is ready to boot!!!
   Proceed to the next step: SSH Connection to Host Computer

Modifying Other System Configuration Options

To modify other system configuration options, please refer to: Modifying System Configuration