Lenovo · laptop motherboard

Lenovo B480 11264-1M

SchematicBIOS
Board code
11264-1M
Platform
Wistron LA48
Made by
Wistron
Files
15
Updated

Lenovo B480 11264-1M is a laptop motherboard designed by Wistron and used in the Lenovo B480, Lenovo B490, Lenovo LA48 and Lenovo B590 and 2 more.

The catalog has 7 schematics and 8 BIOS files for it, posted between 2017 and 2023 across 3 Telegram channels. Each download button opens the original Telegram post.

The schematic files are PDFs; 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 and 8 MB chip sizes; some archives also hold EC/KBC firmware; versions with a cleaned ME region are included. 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 Wistron LA48; codes 11264-1.

Compatible models

Files for Lenovo B480 11264-1M

Schematics 7 All schematics →

BIOS and firmware 8 All bios and firmware →

Frequently asked questions

Which laptops use the 11264-1M motherboard?
File names in the catalog tie 11264-1M to the Lenovo B480, Lenovo B490, Lenovo LA48, Lenovo B590, Lenovo B580 and Lenovo M490. Laptops sold under one model name can use different boards, so confirm by the code printed on the motherboard.
What should I check before flashing the 11264-1M BIOS?
Read the original chip with a programmer and save two copies before writing anything. File names for this board mention 4 MB and 8 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.

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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