BIOS EPROM dump for the Dell Studio 1558, with PP39L given as the regulatory model number, labelled as fully working. The file is 1 MB, which corresponds to an 8-megabit flash chip. Technicians program it with an external programmer when the laptop fails to POST. Confirm the chip on your board has the same capacity and check the motherboard number. Save the original contents first, as the service tag and system data are stored in the flash.
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 @biosbigarchives. 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 →