BIOS image for the HP Compaq 8100 desktop using motherboard MS-7557 version 1.0. The MS-XXXX pattern is MSI numbering, which shows MSI built this board for HP. The 2.64 MB rar archive is intended for reprogramming the SPI flash when the machine fails to POST or after a failed update. Check that the MS-7557 label and version on the board match, read and keep a backup of the current chip contents, and confirm the file size equals the chip capacity before writing.
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.
All sources (3)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 30 May 2022 | Open file on RM Schematics |
| @fileservicelaptop | 13 Jun 2022 | Open file on RM Schematics |
| @fileservicelaptop | 13 Jun 2022 | Open file on RM Schematics |
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 →