Lenovo IdeaPad EG521
2 board numbers are linked to the Lenovo IdeaPad EG521: NM-B452 and NM-B451. Check the number printed on your board before using a file. Indexed: 9 BIOS files, 4 schematics and 1 boardview.
Earliest upload: February 2021.
BIOS dumps 9
FileSizeRevAddedSource
ideapad EG521 EG522 EZ511 EG721 NM-B452 REV 1.0 CLEAR ME
BIOSTestedClean ME
5.1 MB
1.0
Get on Telegram BIOS Archive
Schematics 4
FileSizeRevAddedSource
EG521 EG522 MB Kabylake-U42 NM B452 REV0.2 pdf
Schematic.pdf
2.6 MB
0.2
Get on Telegram Schematics & Boardviews Archive +1 more
Boardviews 1
FileSizeRevAddedSource
From the uploader
520-15IKB EG521 EG522 EZ511 EG721 NM-B452 REV 1.0 2017.07.03 TESTED OK
LENOVO_IdeaPad_320_15IKB_520_15IKB_EG521_EG522_EZ511_EG721_NM_B452 2017-07-03 WORKING BIOS & KBEC 100%
LENOVO IDEAPAD IdeaPad 520-15IKB EG521 EG522 EZ511 EG721 NM-B452 Rev1.0 2017-07-03 SR3LA N17S-G1-A1
Model facts
| Brand | Lenovo |
|---|---|
| Series | IdeaPad |
| Board revisions | 1.0, 0.2 |
| CPU generation | Intel 7th gen |
| First seen | 2021-02-10 |
| Source channels | BIOS Archive, Schematics & Boardviews Archive, Cyberlan Electronics, Boardview Schematics |
Main boards used in Lenovo IdeaPad EG521
Tools to open these files
| Format | What it is | Open with |
|---|---|---|
| .7z | 7-Zip archive | 7-Zip or WinRAR |
| PDF schematic | any PDF reader; Sumatra PDF and Foxit handle large schematics well | |
| .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
Which motherboard does the Lenovo IdeaPad EG521 use?
The files link the Lenovo IdeaPad EG521 to NM-B452 and NM-B451. Check the number printed on your board before flashing anything.
Is there a boardview for the Lenovo IdeaPad EG521?
Yes, 1 boardview file.
Where do the download links go?
To the original public Telegram post of each file. ChambersDesignInc.com does not host files.