HP 372284-001 - Manual (Page 32)

Firmware Upgrade Utility
3. Select the device to upgrade from the list. A description appears in the Device
Description panel.
4. Select the Check Firmware Version checkbox to have the utility compare the device
firmware version with the upgrade files. A message appears if the firmware version of the
device is higher than the upgrade version, and you have the option to continue or cancel
the upgrade.
HP 1x4 USB/PS2 KVM Switch User Guide 4-5