Asus EA-N66 - Manual (Page 20)

EA-N66 Step-by-Step Setup Manual
20
• Settings configured in the old firmware are retained during
the upgrade process. If the upgrade process fails, EA-N66 will
enter Emergency mode automatically.
• The LED lights on the front panel of the EA-N66 will indicate
that it is currently in Emergency mode. Use the Firmware
Restoration utility on the CD to restore the firmware to factory
defaults.