santa0@ya.ru писал(а):Где найти описание что именно будет стерто?
Ну вот так в сервис мануале пишут
• Clear All Memory
The function resets the system to factory default settings. This function is used to reset the system to the initial value
when the product is functioning abnormally . All the values are returned to the default values, and all the information,
which was set by the user, will be erased.
NOTE
Always perform a memory clear after replacing the main board. Otherwise, the system may not operate properly.
В НР обычно страничку конфигурации на всякий случай сохраняют при NVRAM INIT