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Grandioso K1X
Model covered
Grandioso K1X
Equipment used
Windows computer (with built-in USB 2.0 port)
Micro USB cable
o Cables designed only for charging cannot be used. Always use a
micro USB cable that supports data transmission.
Supported operating systems
Windows 8 (32/64-bit)
Windows 8.1 (32/64-bit)
Windows 10 (32/64-bit)
(as of February, 2020)
1. Preparation
A micro USB cable is necessary to update the firmware. Use a
commercially-available micro USB cable.
Download the DFU driver and updaters to any location on the
computer from the following download link.
o Double-click the downloaded files to decompress them.
https://www.esoteric.jp/en/product/k1x/download
DFU driver
o Win_DFU_driver.exe
Updaters
o K1X_IFvxxx_updater.exe
o FPGA_updater_K1X_DIGITAL_Vxxx_DAC_Vxxx.exe
o MQA_vxxxxxx_updater.exe
IMPORTANT NOTICE
Different firmware update programs are made for every
model. Execution of a firmware update program for a different
model will make the Grandioso K1X unusable.
NOTE
The screens used in these instructions are from Windows 10.
Microsoft and Windows are either registered trademarks or trade-
marks of Microsoft Corporation in the United States and/or other
countries.
Other company names and product names in this document are
the trademarks or registered trademarks of their respective owners.
Firmware update manual
2. Install the DFU driver
After installing this on the computer once, installing it again will not
be necessary. Proceed to "3. Update the I/F firmware".
1
Double-click Win_DFU_driver.exe.
2
When "Press any key to continue..." appears,
press the Enter key.
Display example
* DFU driver for "Windows10 32bit" will be installed.
Press any key to continue...
NOTE
If a "User Account Control" pop-up message appears during
installation, click "Yes".
3
When the Device Driver Installation Wizard
appears, click "Next".
4
Click "Finish".
1
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Table of Contents
Related Manuals for Esoteric Grandioso K1X
Summary of Contents for Esoteric Grandioso K1X
- Page 1 A micro USB cable is necessary to update the firmware. Use a commercially-available micro USB cable. Download the DFU driver and updaters to any location on the computer from the following download link. o Double-click the downloaded files to decompress them. https://www.esoteric.jp/en/product/k1x/download DFU driver o Win_DFU_driver.exe Updaters o K1X_IFvxxx_updater.exe o FPGA_updater_K1X_DIGITAL_Vxxx_DAC_Vxxx.exe...
- Page 2 Grandioso K1X Firmware update manual 3. Update the I/F firmware * I/F firmware updater K1X_IFvxxx.dfu o Do this after installing the DFU driver (page 1). 1. Shut down the target unit. 2. Connect the micro USB cable from PC to target. Turn the unit off. 3.
- Page 3 Grandioso K1X Firmware update manual 4. Update the audio program 1 Device(s) found: Device [1]: STM Device in DFU Mode, having [4] alternate targets Target 00: Upgrading - Download Phase (100)...Duration: 00:00:14 o Do this after installing the DFU driver (page 1). Upgrade successful ! o Before starting this procedure, confirm that a micro USB cable is not connected to the SOFTWARE maintenance port on the back...
- Page 4 Grandioso K1X Firmware update manual Confirm that “K1X_DIGITAL_Vxxx_DAC_Vxxx. When “* Writing is completed.” appears, press dfu” is shown on the screen, and press the the Enter key to close the window. Enter key. step1: Upgrading Digital FPGA Do not turn the unit power off or disconnect the micro USB cable while updating.
- Page 5 Grandioso K1X Firmware update manual Click the “Download” button to start the update. 5. Update the MQA decoder firmware o Do this after updating the firmware of the unit. o Before starting this procedure, confirm that a micro USB cable is not connected to the SOFTWARE maintenance port on the back of the unit.
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