3 jumper, Clear rtc ram (clrtc) | Asus Multimedia System S-presso User Manual | Page 45 / 106 | Original mode
La memoria CMOS e il Real Time Clock
GitHub - fabianoriccardi/RTCMemory: An intuitive library to simplify read and write operations on RTC memory of ESP8266 and its backup on flash memory .
Jumpers
Amiga 500 IDE Controller / 8MB Fast RAM / RTC | DIY Chris