BIOS binary for the HP Pavilion dv5-1250us on the Quanta DAOT8HMB6BO board, revision B, written with the letter O in place of zero, so DA0T8HMB6B0 is the same number. The 1 MB size corresponds to an 8 Mbit SPI chip. Quanta uses the DA0xxxMBxx0 numbering pattern for its boards. Flash it with an external programmer to revive a board with corrupted firmware. Back up the existing chip, which may hold serial data, and check the board revision on the PCB matches.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @biosarchive. Enginerys does not host this file.
How to open a .bin file
A raw, byte-for-byte image of a flash chip: the main BIOS / UEFI, the embedded-controller (EC) firmware, or both.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →