SY-300 System Program Version 1.03

This system program updates your SY-300 to the latest version 1.03.

How to tell the version
Please check the version of the system working on your SY-300 before downloading the archive file.

  1. Connect an AC adaptor to your SY-300.
    * Do not connect the SY-300 and the computer.
  2. Hold down [ SYNTH/FX ] button and [ BLENDER ] button, and press and hold [ POWER ] switch.
    The display will show the current version number at "Ver."
  3. Press and hold [ POWER ] switch to turn off the power.
* Don't perform the update if the product is already up-to-date.

Update history
[ Version 1.03 ]
Bug Fixes
The following bugs were fixed.
  • The pulse-width value does not change when switching between patches of different pulse-width values.
  • Operation according to the CTL assignment settings sometimes fails to occur.

What you will need to update your SY-300
  • SY-300
  • AC Adaptor
  • USB cable
  • A computer with a USB connector ( Windows, Mac OS X )

Caution when performing the update
  • Never apply this update data to any product other than the SY-300. This update data may destroy the data or system program of other products.
  • Never power-off your SY-300 while the update is in progress!
    If a power failure or similar accident occurs during the update process, the SY-300 won’t be able to start up in normal operating mode. This will require servicing, so you will need to contact Roland service center near you if this occurs.
  • We regret that we are unable to answer questions regarding the update procedure using this system program. Please perform the update responsibly, following the directions given in this document.

Getting the update file
Please open/extract the downloaded "" file on your computer to get the four update files named "ROMINFO_1.TXT", "ROMINFO_2.TXT", "SY-300_UPD1.BIN", and "SY-300_UPD2.BIN" in the "sy300_sys_v103" folder.

Procedure for the update
  • You must not rename the extracted files.
  • Never turn off the SY-300's power while the update is in progress. Otherwise the system program or the SY-300 itself may be destroyed.

Please install the extracted system program files into your SY-300 according to the following procedure.
  1. Adjust the OUTPUT LEVEL knob to minimum.
    * Do not connect the SY-300 and the computer yet.
  2. Connect an AC adaptor to your SY-300.
  3. Hold down [ EXIT ] button and [ PAGE > ] button, and press and hold [ POWER ] switch.
    The message "SY-300 Updater" will appear on the display.
  4. Connect the computer to the SY-300's USB port by a USB cable.
    The message "Connected." will appear on the display.
  5. Open the BOSS_SY-300 icon.
    "Removable Disk (*:)" may appear instead of the BOSS_SY-300 icon.
  6. Copy (drag and drop) all the files included in the "sy300_sys_v103" folder into the "BOSS_SY-300" icon.
    * Do not copy the "sy300_sys_v103" folder.
  7. Disconnect the BOSS_SY-300 from the computer.
    With Windows
    Right-click on the "BOSS_SY-300" icon in My Computer (or the "Removable Disk (*:)" icon) and execute "Eject."
    With Mac OS X
    Drag the "BOSS_SY-300" icon to the Trush icon in the Dock.
  8. Disconnect the USB cable.
    The message "[WRITE] to start" will appear on the display.
  9. Press [ WRITE ] button to start the update process.
  10. The message "Completed." will appear on the display when the update process completes.
  11. Turn the SY-300 power off.
    Please verify the version number "1.03" with the procedure described in "How to tell the version" part of this document.