BIOS Chip for Acer Aspire ES1-432 Motherboard - 8MB Preprogrammed - Ready To Use / Unlock - Motherboard model: DA0ZQFMB6F0 - Chip Location: U23 - Voltage : 1.8v - This BIOS Chip is preprogrammed for this specified motherboard model. - BIOS chip can sometime failed causing motherboard will no power on, no boot up, no display & etc. - New BIOS chip can also unlock your notebook that having bios password locked problem. - We are not guarantee your motherboard will work again after install our bios chip without proper diagnostic & checking. Condition: New with programmed BIOS file BIOS Size: 8MB Warranty: No warranty after soldered Note: This parts must be installed by qualified electronics technician. We are not responsible for any problem caused by mishandling or improper installation of this parts.