BIOS archive for the Acer Aspire 5542G with an AMD processor and discrete GPU, on the Wistron JV50-TR board numbered 09230-1. The RAR is compact at 511 KB, typical for this older generation of flash chips. Wistron identifies its boards by a five-digit number with a revision suffix, which should match the PCB before flashing. This image is useful for reviving units with corrupted firmware. Back up the chip with a programmer first and confirm the file size fits the flash device exactly.
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.
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 →