USB MCU FIRMWARE UPDATE
DENAFRIPS all-new USB DAC solution supports off-site firmware update. The update includes updating of the USB MCU firmware and the core DSP FPGA firmware.
The procedures are as described in the following. It can be done in Windows 10 Operating System over the USB port by a computer savvy person. Should you need further assistance, please contact us.
DISABLE WINDOWS SIGNED DRIVER ENFORCEMENT
Windows 10 enforces driver signatures by default. This can be disabled to install drivers that are not digitally signed. Use the following steps to disable driver signature enforcement.
Click the Start Start menu and select Settings.
Click Update and Security.
Click on Recovery.
Click Restart now under Advanced Startup.
Click Advanced options.
Click Startup Settings.
Click on Restart.
On the Startup Settings screen press 7 or F7 to disable driver signature enforcement.
Your computer will restart and you will be able to install non-digitally signed drivers. If you restart your computer again the driver signature enforcement will be re-enabled.
WHAT IS REQUIRED?
You would need the following items in order to proceed:
A Windows 10 PC/Laptop with USB port
Standard USB Cable
Internet Connection (To download the driver and firmware packages)
Please click on the following links to download the necessary zip packages.
Firmware Tool - USB MCU
- Original firmware
- Increase USB resync time to address USB out-of-sync issue
- Supports PCM1536 / DSD1024
- Fixed compatibility issue with macOS
- PCM1536 / DSD1024 supports disabled
LET'S GET STARTED!
STEP 1: Plug in the USB cable from the Windows PC to the DAC USB input port.
STEP 2: Power up the DAC. Turn in on by pressing the STANDBY button once. Select the USB input. The USB DAC should be detected (if the driver is already installed in the Windows PC).
STEP 3: Press the STANDBY button once, turn the DAC into STANDBY mode. Press the following button once:
Ares II - Phase Button
Pontus/Venus/Terminator/Terminator Plus - Mode Button
This will enable the Firmware Configuration mode. The Windows PC shall detect an unknown USB device. Please note that the Firmware Configuration mode can only be activated when the DAC is in STANDBY.
STEP 4: Install the Configuration Driver. You've downloaded it previously in DOWNLOAD section above. Unzip it. Click on the Setup (Windows Batch File) to install the driver. Click Next on the Installation Wizard, follow the on-screen instruction to complete the installation.
Important Note: Windows Signed Driver Enforcement must be disabled to successfully install the Configuration Driver. Failure to install the driver will not be able to proceed with the firmware update.
STEP 5: Once the Configuration Driver is installed successfully, the libusb-win32 device -> USB HiRes Audio F-20 Configuration shall be detected by the Windows PC without any (?) or (!) mark. This signify that the Configuration Driver is installed successfully.
STEP 6: Locate the Firmware Tool zip folder. You've downloaded it previously in DOWNLOAD section above. Unzip it. You should see the following files in the folder.
STEP 7: Click on the Update USB MCU (Windows Batch File) to start flashing the USB MCU firmware. The following Command Prompt windows pop-up to details the Flashing Progress. It may take up to 10seconds to flash the firmware.
STEP 8: Once the firmware is flashed successfully, press any key to close the Command Prompt. Power off the DAC completely by turning off the power supply or unplug the power cord. Wait for 2 minutes, power on the DAC. Select USB. The DENAFRIPS USB DAC should be detected. Play some test tones to make sure the DAC is operational.
Congratulation! You've successfully updated the USB MCU firmware! Enjoy the music!