Acer AR320 F1 - Manual (Page 162)

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Maintenance
Allows you to perform a upgrade the BMC firmware (including Acer
Smart Console and FRU information) and update the SDR file.
Upgrading firmware
1 Click Firmware Update on the Maintenance page.
2 Click Enter Update Mode. The Firmware Upload page appears.
Note: You will not be able to perform any tasks until the upgrade
is completed and the device is rebooted.
3 Click Browse to locate the firmware image file.
4 Click Upload Firmware to upload the image file to the server.