1. Introduction

This Guide provides instructions for updating firmware with a USB flash drive on the following products.

  • YAS-109

  • ATS-1090

    • Sold only in certain countries or regions

See product pages on the Yamaha website for details regarding the issues resolved, and functions added, by updating firmware.

1.1. Equipment required for firmware update

Prepare the following items before attempting to update firmware.

  • USB flash drive: use a USB flash drive that meets all of the following requirements.

    • Supports the USB mass storage device class

    • Formatted in FAT16 or FAT32 format

    • No encryption applied

    • No data stored on the device (empty)

  • Computer that can be connected to the Internet: download the firmware from the Yamaha website.

1.2. Preparing the firmware

Download the latest version of firmware from the Yamaha website, and then save the firmware data file to your USB flash drive.

  1. Download the latest version of firmware from the Yamaha website to a computer.
    See product pages on the Yamaha website for more information.

  2. Decompress the downloaded file and save the firmware data file to the USB flash drive.

    • Be sure to save the firmware data file in the top folder (root folder) of the USB flash drive.

    • Do not change the file name when saving it. File names are as follows:

      • 000785-xxxx.bin

        • “xxxx” is a set of pre-determined alphanumeric characters.