Lenovo · laptop motherboard

Lenovo M70Q NM-C621

SchematicBoardviewBIOS
Board code
NM-C621
Platform
GH470
Made by
LCFC
Revisions
Rev 1.0
Files
6
Updated

Lenovo M70Q NM-C621 is a laptop motherboard designed by LCFC and used in the Lenovo M70Q.

The catalog has 2 schematics, 1 boardview file and 3 BIOS files for it, posted between 2022 and 2024 across 3 Telegram channels. Each download button opens the original Telegram post.

The files are marked Rev 1.0; other revisions of the same board can differ in parts and layout.

The boardview comes in .BDV and .TVW format. .TVW files usually need FlexBV or the viewer they were exported for; OpenBoardView handles .BRD, .BDV and .FZ. See OpenBoardView: Installation and First Steps.

With both a schematic and a boardview you can find a net on the diagram and then locate the same part on the board by its reference designator. No Boardview for Your Board? How to Work Without One shows the workflow.

BIOS notes: file names mention 2 MB, 8 MB and 16 MB chip sizes. Read and save the original chip contents before you write anything to it — Keeping the Windows Product Key (MSDM) When Reflashing a BIOS.

Also listed under platform GH470; codes NM-C901.

Compatible models

  • Lenovo M70Q

Files for Lenovo M70Q NM-C621

Schematics 2 All schematics →

Boardview files 1 All boardview files →

BIOS and firmware 3 All bios and firmware →

Frequently asked questions

Which laptops use the NM-C621 motherboard?
File names in the catalog tie NM-C621 to the Lenovo M70Q. Laptops sold under one model name can use different boards, so confirm by the code printed on the motherboard.
Which revision of NM-C621 do I have?
Files for this board mention Rev 1.0. The revision is printed on the PCB silkscreen, usually next to the board code. Pick files with the same revision when you can; if yours is not listed, the closest revision is usually fine for the schematic but check part positions in the boardview carefully.
How do I open the NM-C621 boardview file?
The boardview for NM-C621 is available as .BDV and .TVW. .BDV usually opens in OpenBoardView (free) or FlexBV. .TVW usually needs FlexBV or the matching viewer. See What Is a Boardview File and Why You Need One.
What should I check before flashing the NM-C621 BIOS?
Read the original chip with a programmer and save two copies before writing anything. File names for this board mention 2 MB, 8 MB and 16 MB images; the dump size must match your chip. A dump from another board carries that board's serial number and MAC address, so restore yours from the backup.

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Files are hosted on Telegram by third parties; ExcitingSpas.com only links to public posts. Check that a file matches your board before using it. Disclaimer · Report a file