The firmware for the PXSu is field upgradeable using the USB Device Firmware Upgrade (DFU) device class specification. When a PXSu is put into DFU mode, it appears to the operating system as a different device. The DfuSe program provided allows the user to perform the upgrade.
The LayGO PXS-USB DFU Driver Package contains the device driver and auxiliary files to help in the installation of the PXSu DFU driver.
Please make sure the DFU driver is installed before connecting the PXSu to start the update.
The driver package is available for download from our FTP site. Contact Advanced
Relay Support for download instructions. The installation file is
Execute it as administrator and just follow the instructions on the screen.
By default the toolkit is installed in
C:\laygoutk-3.10\drv\dfu. The tools are
Only one PXSu can be upgraded in a system at a time. All other PXSu units not being upgraded must be unplugged from the system.
To perform the upgrade, make sure all PXSu units are unplugged from the system. Then start the DfuSe program from the Start → Programs → LayGO PXS-USB Toolkit menu.
Plug in the PXSu to be upgraded. The DfuSe should recognize the adapter.
Signal the PXSu to enter DFU mode by pressing the Enter DFU Mode button.
The first time an upgrade is performed in a system, the operating system will present the Found New Hardware Wizard. Follow the instructions in Installing the Driver to install the DFU driver.
The PXSu should now be recognized by the DfuSe program:
When the PXSu is in DFU mode, the red LED should flash instead of the green LED.
The upgraded firmware is provided in a file with the
.dfu extension. To load
the firmware upgrade into the DfuSe, press the Choose...
button, find the file in the Open dialog:
Press the Open button to load the firmware:
Press the Upgrade button to perform the upgrade:
The upgrade is now complete: