BIOS image of 2 MB for the Dell Studio 1555, version A07, in ROM format; the name marks it as OK, suggesting a tested working dump, while MOBILE 4 probably refers to the graphics variant and is unverified. Dell labels firmware revisions with Axx numbers. Technicians write such a file to the 16 Mbit SPI chip with a programmer to revive a board that fails to start. Back up the existing chip first, and check the image size matches the chip and the graphics configuration of the board.
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 .rom file
A BIOS image as shipped by the vendor (commonly AMI) — often the BIOS region only, without descriptor or ME.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →