Knowledgebase: Firmware Update
Axe-Fx II Firmware Update - MIDI-OX or Snoize SysEx Librarian
Posted by Matt Picone on Dec 19, 2012 - 11:08 am

Updating Axe-Fx II Firmware using a 3rd Party MIDI Librarian

The instructions below assume that you have already downloaded the firmware file. Our firmware comes in a zip archive which you will need to extract. The firmware is a .syx file, not to be confused with any PDF, TXT, or README files which may also be present in the zip.

A firmware update will not overwrite presets or settings but you should always back up of valuable data before performing updates. Always see the README file included with firmware before updating.

On a Mac

  1. Download and launch Snoize SysEx Librarian  (www.snoize.com)
  2. Drag the firmware file into the Snoize window
  3. Select "MIDI IN" in the destination dropdown
  4. Put the Axe-Fx into FIRMWARE UPDATE MODE
    • Press UTILITY, Turn to the FIRMWARE PAGE, and press ENTER
    • The display of your Axe-Fx should show "AWAITING FILE"
  5. Back in Sysex Librarian, select the firmware file and press PLAY.
  6. The Axe-Fx will show a progress bar as the file is received.
  7. Follow the instructions on the Axe-Fx display to finish.

On Windows

  1. Download/Launch MIDI-OX. (www.midiox.com)
  2. Set Up the PORTS In MIDI-OX
  3. Select Options->MIDI Devices
  4. Highlight the Axe-Fx II MIDI in the MIDI Output window.
  5. Make sure NOTHING is selected in the MIDI Input window.
  6. Press OK.
  7. In MIDI Ox, choose View->Sysex, which opens a new SYSEX window. 
  8. Put the Axe-Fx into FIRMWARE UPDATE MODE
    • Press UTILITY, Turn to the FIRMWARE PAGE, and press ENTER
    • The display of your Axe-Fx should show "AWAITING FILE"
  9. Back in MIDI Ox, in the SYSEX window, select File->Send Sysex File...
  10. Browse to and select the file you want to send and click OPEN.
  11. The Axe-Fx will show a progress bar as the file is received.Follow the instructions on the Axe-Fx display to finish.

For faster operation, adjust the following setting after step 7: Select Sysex->Configure. Set Delay Between Buffers and Delay After F7 to "35"

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