Lenovo · laptop motherboard

Lenovo 09939-1

SchematicBIOS
Board code
09939-1
Made by
Wistron
Files
3
Updated

Lenovo 09939-1 is a laptop motherboard designed by Wistron.

The catalog has 1 schematic and 2 BIOS files for it, posted between 2021 and 2023 across 3 Telegram channels. Each download button opens the original Telegram post.

The schematic is a PDF; the first pages usually hold the block diagram and the power sequence. New to schematics? Start with How to Use a Schematic and a Boardview Together.

BIOS notes: file names mention 4 MB chip sizes; some archives also hold EC/KBC firmware. Read and save the original chip contents before you write anything to it — Keeping the Windows Product Key (MSDM) When Reflashing a BIOS.

Files for Lenovo 09939-1

Schematics 1 All schematics →

BIOS and firmware 2 All bios and firmware →

Frequently asked questions

What should I check before flashing the 09939-1 BIOS?
Read the original chip with a programmer and save two copies before writing anything. File names for this board mention 4 MB images; the dump size must match your chip. Some archives include EC/KBC firmware, which may need to be written to a separate chip. A dump from another board carries that board's serial number and MAC address, so restore yours from the backup.

Guides for this board

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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