Dell Inspiron 1545 BIOS dump for the DR1 board in its discrete-graphics version with 512 MB of video memory, as indicated by the dis 512m tag. The raw image is 2 MB, matching a 16 Mbit SPI chip. Discrete and integrated versions of this board use different firmware, so confirm that your board has the dedicated GPU before flashing. Save a backup of the original chip with your programmer first, then write and verify this image to recover a board with corrupted firmware.
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 →