Look elsewhere on the board for the true engineer markings. Examples include codes like DA0R53MB6E0 (Quanta), LA-9104P (Compal), or specific ASUS/HP/Dell part numbers.
Open the verified, clean Hannstar-matching BIOS .bin file in your programmer software.
Open the laptop casing and search for an 8-pin IC chip (SOP8 package), usually located near the Southbridge, CMOS battery, or Super I/O chip. Look for common chip manufacturer markings: Winbond (e.g., W25Q64JV, W25Q128JV) Macronix (e.g., MX25L6406E) SST / Gigadevice Step 2: Read and Backup the Original Dump