LA-7981P – Lenovo G580
The LA-7981P (Compal) motherboard is found in the Lenovo G580, Lenovo G480, Lenovo G580-20150 and Lenovo IdeaPad G580. 13 files are indexed for this board: 5 BIOS files, 5 schematics and 4 EC firmware images.
Revisions seen in file names: 1.0. The BIOS dumps are 4 MB images. ODM project names: QIWG5, QIWG6 and QIWG9. First posted in January 2017 in BIOS Archive, Schematics & Boardviews Archive and Cyberlan Electronics.
BIOS dumps 5
Schematics 5
EC / KBC firmware 3
From the uploader
Model:Lenovo G580(20150)
Platform:Compal LA-7981P
Dumps:Main & EC
Main Flash:Winbond W25Q32BV (U5)
EC Flash:Winbond W25Q16BV (U6)
Q32B-104HIP(U5)
QH16-104HIP(U6)
BIOS 5ECN92WW(V8.04)
EC 5EEC92WW(V8.04
Board facts
| Board number | LA-7981P |
|---|---|
| Designed by | Compal |
| Platform group | LA-7 |
| ODM project | QIWG5, QIWG6, QIWG9 |
| Revisions | 1.0 |
| BIOS chip size | 4 MB |
| Flash chip | W25Q16BV, W25Q32BV |
| EC / KBC chip | KB9012 |
| First seen | 2017-01-26 |
| Source channels | BIOS Archive, Schematics & Boardviews Archive, Cyberlan Electronics, BIOS Files |
| About the number | Compal board numbers start with LA- for main boards and LS- for daughter boards. |
Laptops that use LA-7981P
What these files are for
A BIOS dump is a full image of the board's SPI flash chip. It is written back with an SPI programmer when the original firmware is corrupted, after a chip replacement, or to recover from a failed update. Read and save the original chip first: serial number, DMI data and the Intel ME / AMD PSP state differ between boards.
A schematic is the circuit diagram of the main board: power rails, power-up sequence, component values and net names. It is the reference for measuring voltages and tracing a fault.
EC (embedded controller) firmware runs the keyboard controller, power sequencing, battery charging and fans. Depending on the board it lives in a separate chip (ENE KB9012, ITE IT85xx, Nuvoton NPCE) or inside the main SPI image, so check which applies before flashing.
Tools to open these files
| Format | What it is | Open with |
|---|---|---|
| .bin | raw SPI flash image | a CH341A, XGecu T48 / TL866II Plus or RT809H programmer |
| 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 |
Questions
Who designed the LA-7981P board?
LA-7981P is a Compal board number used by Lenovo.
Is there a boardview for LA-7981P?
No boardview has been indexed for LA-7981P yet; the schematic is available on this page.
What BIOS chip size does LA-7981P use?
The BIOS images for LA-7981P are 4 MB. Flash chips named in the files: W25Q16BV and W25Q32BV.
Which laptops use the LA-7981P board?
Files in the catalog link LA-7981P to the Lenovo G580, Lenovo G480, Lenovo G580-20150 and Lenovo IdeaPad G580.
Where do the download links go?
Each button opens the original public Telegram post the file was shared in. ChambersDesignInc.com only indexes and cross-references those posts.