Lenovo ThinkPad T490 FP531 NM-B901 BIOS
File details
| Type | BIOS |
|---|---|
| Brand | Lenovo |
| Model | ThinkPad T490 |
| Board number | NM-B901 |
| Platform | FP531 |
| Board maker (ODM) | Compal |
| Revision | 1 |
| Device | Laptop |
| Format | RAR |
| Size | 30 MB |
| Marks | tested by uploader |
| Added | May 6, 2023 |
| Updated | |
| Original file name | LENOVO_THINKPAD_T490_T590_FT490_FT492_FT590_FP531_NM_B901_REV_1.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 T490 T590 FT490 FT492 FT590 FP531 NM-B901 REV 1.0 DREJP i7-8565U N17S-G2-A1 MEC1663 WORKING BIOS 100% BIOS dump for the Lenovo ThinkPad T490 laptop, board number NM-B901 (Compal, platform FP531), revision 1. The uploader marked it as tested, and the archive is a RAR file of about 29.9 MB. Technicians use a BIOS dump like this to reprogram the SPI flash chip with a programmer after a corrupted BIOS or a failed update. Before flashing, confirm that the board number and revision on your motherboard match, and back up the original chip contents so you can recover if something goes wrong.
The catalog also lists 2 schematics, 1 boardview file, and 11 BIOS dumps for board NM-B901.
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 T490 FP531 NM-B901. 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.