Skip to content

Lenovo IdeaPad 700 15221-1M BIOS (1 MB)

BIOS 15221-1M Added: Aug 29, 2020 7Z · 4.5 MB

File details

TypeBIOS
BrandLenovo
ModelIdeaPad 700
Board number15221-1M
Board maker (ODM)Wistron
DeviceLaptop
Format7Z
Size4.5 MB
BIOS chip size1 MB
AddedAugust 29, 2020
Updated
Original file nameLenovo_Ideapad_700_15ISK_LOL_SKL_MB_15221_1M_448_06r01_001m_MX25L128.7z

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.

AwesomeHeader does not store this file. It was published in a public Telegram channel; the links above lead to the original post and its copies.

Description

BIOS dump for the Lenovo IdeaPad 700 laptop, board number 15221-1M from Wistron, supplied as a 7Z archive of about 4.5 MB with a 1 MB flash chip size. The original file name also references the MX25L128 chip family, though the listed chip size is 1 MB. Technicians use a dump like this to reprogram the SPI flash with a programmer after BIOS corruption or a failed update. Before writing anything, confirm that the board number and revision on your motherboard match, and read and save the original chip contents as a backup.

For board 15221-1M the catalog also has 9 BIOS dumps.

Description generated from the catalog data. ·

How to open it

A BIOS dump is written to the SPI flash chip with a programmer such as the CH341A and a SOIC8 clip. Read and save the original chip contents twice before writing.

Guide: Flash a Laptop BIOS with a CH341A Programmer →

Browse more

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 IdeaPad 700 15221-1M. 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.

Report a dead link or request removal