Firmware archive for a Philco PHN 14 notebook, with Ph24 and H24l codes and revision 2.1 in the name, 467 KB as RAR. The extra codes likely identify the board or model family, so match them and the 2.1 revision to the PCB markings before use. Images like this let a technician restore a laptop with a corrupted BIOS by reflashing the SPI chip using an external programmer. Back up the original contents first and check that the image size fits the chip.
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 @afsbiosfree. Enginerys does not host this file.
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →