LA-A521P – HP Pavilion 11

The HP Pavilion 11 and HP Pavilion 11-E000ER are built on the LA-A521P board designed by Compal. The catalog lists 4 files for it: 2 BIOS files and 2 schematics.

Revisions seen in file names: 1.0. ODM project name: ZKT11. First posted in June 2018 in BIOS Archive, Schematics & Boardviews Archive and Cyberlan Electronics.

BIOS dumps 2

FileSizeRevAddedSource

Schematics 2

FileSizeRevAddedSource
747 KB
1.0
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750 KB
1.0
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Board facts

Board numberLA-A521P
Designed byCompal
Platform groupLA-A
ODM projectZKT11
Revisions1.0
First seen2018-06-03
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-A521P

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
.binraw SPI flash imagea CH341A, XGecu T48 / TL866II Plus or RT809H programmer
.pdfPDF schematicany PDF reader; Sumatra PDF and Foxit handle large schematics well
.rarRAR archive7-Zip or WinRAR
.zipZIP archive7-Zip, WinRAR or the built-in Windows extractor

Questions

Is there a boardview for LA-A521P?

No boardview has been indexed for LA-A521P yet; the schematic is available on this page.

Which laptops use the LA-A521P board?

Files in the catalog link LA-A521P to the HP Pavilion 11 and HP Pavilion 11-E000ER.

Who designed the LA-A521P board?

LA-A521P is a Compal board number used by HP.

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.