The Unowhy Y13 has a small internal battery for the RTC (Real Time Clock). If you disconnect the main battery and the CMOS cell for 1 hour, you will reset the BIOS settings (date, time, boot order), but the System Password (Supervisor Password) is stored in a separate, non-volatile sector.
Unowhy Y13 laptop—typically distributed to students in the Île-de-France
The Unowhy Y13's BIOS security is robust enough to deter casual users but penetrable by determined technicians.
