Firmware dump named opt 3046 new, 16 MB, with no file extension given. Opt 3046 might hint at an OptiPlex-style model, but the name is too terse to be certain, so treat the platform as unconfirmed. The word new suggests a revised or freshly prepared image rather than an original read. A 16 MB size matches a 128 Mbit SPI flash; use a programmer, back up the existing chip first, and compare the board's service tag or markings before writing this image.
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 @Laptopdesktopbios. Enginerys does not host this file.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →