NM-A351 – Lenovo ThinkPad L450
NM-A351 is the LCFC main board used in the Lenovo ThinkPad L450. ChambersDesignInc.com has indexed 7 files for this board — 5 BIOS files, 2 schematics and 1 EC firmware image.
File names mention revision 1.0. The BIOS dumps are 4 MB and 8 MB images. ODM project names: AIVL1 and AILV1. First posted in September 2020 in BIOS Archive, Schematics & Boardviews Archive and Cyberlan Electronics.
BIOS dumps 5
Schematics 2
From the uploader
LENOVO THINKPAD L450 L460 AIVLL NM-A351 REV 1.0 2014-11-10 SR23Y 4MB & 8MB
Board facts
| Board number | NM-A351 |
|---|---|
| Designed by | LCFC |
| Platform group | NM-A |
| ODM project | AIVL1, AILV1 |
| Revisions | 1.0 |
| BIOS chip size | 4 MB, 8 MB |
| First seen | 2020-09-12 |
| Source channels | BIOS Archive, Schematics & Boardviews Archive, Cyberlan Electronics |
| About the number | LCFC is Lenovo's joint venture with Compal; its main boards use NM- numbers and sub-boards NS- numbers. |
Laptops that use NM-A351
- Lenovo ThinkPad L450
What these files are for
A BIOS dump is a full image of the board's SPI flash chip. It is written back with an SPI programmer when the original firmware is corrupted, after a chip replacement, or to recover from a failed update. Read and save the original chip first: serial number, DMI data and the Intel ME / AMD PSP state differ between boards.
A schematic is the circuit diagram of the main board: power rails, power-up sequence, component values and net names. It is the reference for measuring voltages and tracing a fault.
EC (embedded controller) firmware runs the keyboard controller, power sequencing, battery charging and fans. Depending on the board it lives in a separate chip (ENE KB9012, ITE IT85xx, Nuvoton NPCE) or inside the main SPI image, so check which applies before flashing.
Tools to open these files
| Format | What it is | Open with |
|---|---|---|
| .7z | 7-Zip archive | 7-Zip or WinRAR |
| .rar | RAR archive | 7-Zip or WinRAR |
| .zip | ZIP archive | 7-Zip, WinRAR or the built-in Windows extractor |
| .bin | BIOS image inside the archive (usually .bin) | a CH341A, XGecu T48 / TL866II Plus or RT809H programmer |
Questions
Who designed the NM-A351 board?
NM-A351 is an LCFC board number used by Lenovo.
What BIOS chip size does NM-A351 use?
The BIOS images for NM-A351 are 4 MB and 8 MB.
Which laptops use the NM-A351 board?
Files in the catalog link NM-A351 to the Lenovo ThinkPad L450.
Is there a boardview for NM-A351?
No boardview has been indexed for NM-A351 yet; the schematic is available on this page.
Where do the download links go?
Each button opens the original public Telegram post the file was shared in. ChambersDesignInc.com only indexes and cross-references those posts.