LA-8581P – Lenovo G485-G585
The LA-8581P (Compal) motherboard is found in the Lenovo G485-G585. ChambersDesignInc.com has indexed 3 files for this board — 2 schematics and 1 EC firmware image.
File names mention revision 0.1 or 1.0. The earliest file dates from March 2017 (Schematics & Boardviews Archive, Cyberlan Electronics and BIOS Archive).
Schematics 2
EC / KBC firmware 1
Board facts
| Board number | LA-8581P |
|---|---|
| Designed by | Compal |
| Platform group | LA-8 |
| Revisions | 0.1, 1.0 |
| EC / KBC chip | KB9012 |
| First seen | 2017-03-08 |
| Source channels | Schematics & Boardviews Archive, Cyberlan Electronics, BIOS Archive |
| About the number | Compal board numbers start with LA- for main boards and LS- for daughter boards. |
Laptops that use LA-8581P
What these files are for
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 |
Questions
Who designed the LA-8581P board?
LA-8581P is a Compal board number used by Lenovo.
Is there a boardview for LA-8581P?
No boardview has been indexed for LA-8581P yet; the schematic is available on this page.
Which laptops use the LA-8581P board?
Files in the catalog link LA-8581P to the Lenovo G485-G585.
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.