LA-4491P – Acer 4935G

The Acer 4935G, Acer Aspire 4736 and Acer Aspire 4736Z are built on the LA-4491P board designed by Compal. 3 files are indexed for this board: 2 BIOS files and 1 schematic.

File names mention revision 1.0. ODM project name: KAL90. First posted in July 2021 in BIOS Archive, Schematics & Boardviews Archive and Cyberlan Electronics.

BIOS dumps 2

FileSizeRevAddedSource
760 KB
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Get on Telegram BIOS Archive

Schematics 1

FileSizeRevAddedSource
928 KB
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Get on Telegram Schematics & Boardviews Archive +1 more

Board facts

Board numberLA-4491P
Designed byCompal
Platform groupLA-4
ODM projectKAL90
Revisions1.0
First seen2021-07-06
Source channelsBIOS Archive, Schematics & Boardviews Archive, Cyberlan Electronics
About the numberCompal board numbers start with LA- for main boards and LS- for daughter boards.

Laptops that use LA-4491P

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.

Tools to open these files

FormatWhat it isOpen with
.pdfPDF schematicany PDF reader; Sumatra PDF and Foxit handle large schematics well
.rarRAR archive7-Zip or WinRAR
.binBIOS image inside the archive (usually .bin)a CH341A, XGecu T48 / TL866II Plus or RT809H programmer

Questions

Is there a boardview for LA-4491P?

No boardview has been indexed for LA-4491P yet; the schematic is available on this page.

Which laptops use the LA-4491P board?

Files in the catalog link LA-4491P to the Acer 4935G, Acer Aspire 4736 and Acer Aspire 4736Z.

Who designed the LA-4491P board?

LA-4491P is a Compal board number used by Acer.

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.