Firmware package for a board named SWBACK with part number 6050A2560501-MB-A02, the A02 suffix being the board revision. The 6050A prefix follows the Inventec numbering used on many HP and other OEM notebooks. At 6.21 MB the RAR probably contains an SPI image for direct programming, though the name does not state chip type. Match the full number and A02 revision on the PCB, back up the original chip with your programmer, and confirm the image length equals the flash size before you write it.
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 .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 →