Lenovo ThinkPad X1 FX490 NM-B861 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | ThinkPad X1 FX490 |
| Board number | NM-B861 |
| Board maker (ODM) | Compal |
| Revision | 1.0 |
| Device | Laptop |
| Format | RAR |
| Size | 16 MB |
| BIOS chip size | 32 MB / 1 MB |
| Marks | tested by uploader |
| Added | May 22, 2023 |
| Updated | |
| Original file name | LENOVO_THINKPAD_X1_FX490_NM_B861_REV_1_0_2019_03_28_32MB_&_1MBWORKING.rar |
Where to get the file
Opens the matching file on RM Schematics, or its source details if it is not catalogued there yet.
Alternative links
No other copies are known yet.
Description
LENOVO THINKPAD X1 FX490 NM-B861 REV 1.0 2019-03-28 32MB & 1MB WORKING BIOS 100% BIOS dump for the Lenovo ThinkPad X1 FX490 laptop, board NM-B861 revision 1.0 from Compal, supplied for both 32 MB and 1 MB flash chips and marked as tested by the uploader. Technicians use a dump like this to reprogram the SPI flash chip with a programmer after BIOS corruption or a failed update. Before writing anything, confirm that the board number and revision on your motherboard match NM-B861 rev 1.0, and save the original chip contents as a backup. The file is about 15.5 MB in RAR format.
For board NM-B861 the catalog also has 2 schematics and 6 BIOS dumps.
Description generated from the catalog data. ·
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Questions about this file
How do I flash this BIOS dump?
Write it to the SPI flash chip with a programmer such as the CH341A and a SOIC8 clip. Read and keep the original contents first, and check that the chip size matches the dump.
Will this BIOS work on my board?
Only if the board number and revision match: Lenovo ThinkPad X1 FX490 NM-B861. Dumps from a different board or revision can leave the board dead.
What does “clean ME” mean?
The Intel ME region in the dump has been reset, so it can be used on another board of the same model. Keep your original dump and transfer serial numbers if needed.