Old PC BIOS chips were often EPROMs, and the erasing window was often covered with an adhesive label containing the BIOS publisher's name, the BIOS revision, and a copyright notice.
PC lama BIOS chip yang sering EPROMs, dan menghapus jendela itu sering ditutupi dengan perekat label yang berisi BIOS nama penerbit, BIOS revisi, dan hak cipta.