LA-J091P – Dell Inspiron 3493

The Dell Inspiron 3493, Dell Inspiron 3593, Dell Inspiron 5593 and Dell Inspiron 3793 are built on the LA-J091P board designed by Compal. The catalog lists 9 files for it: 7 BIOS files, 1 schematic and 1 boardview.

File names mention revision 1.0. BIOS images are 8 MB and 16 MB. ODM project names: FDI45 and FDI55. The earliest file dates from June 2021 (BIOS Archive, Schematics & Boardviews Archive and Cyberlan Electronics).

BIOS dumps 7

FileSizeRevAddedSource
7.9 MB
—
Get on Telegram BIOS Archive
8.2 MB
1.0
Get on Telegram BIOS Archive
8.0 MB
—
Get on Telegram BIOS Archive

Schematics 1

FileSizeRevAddedSource
4.4 MB
—
Get on Telegram Schematics & Boardviews Archive +1 more

Boardviews 1

FileSizeRevAddedSource
564 KB
1.0
Get on Telegram Schematics & Boardviews Archive

Board facts

Board numberLA-J091P
Designed byCompal
Platform groupLA-J
ODM projectFDI45, FDI55
Revisions1.0
BIOS chip size8 MB, 16 MB
Flash chipW25Q64BV
First seen2021-06-27
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-J091P

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.

A boardview is the component placement map of the PCB: click a part or a net and the viewer highlights where it is and what it connects to. Used together with the schematic to find test points.

Tools to open these files

FormatWhat it isOpen with
.binraw SPI flash imagea CH341A, XGecu T48 / TL866II Plus or RT809H programmer
.rarRAR archive7-Zip or WinRAR
.zipZIP archive7-Zip, WinRAR or the built-in Windows extractor

Questions

What BIOS chip size does LA-J091P use?

The BIOS images for LA-J091P are 8 MB and 16 MB. Flash chips named in the files: W25Q64BV.

Which laptops use the LA-J091P board?

Files in the catalog link LA-J091P to the Dell Inspiron 3493, Dell Inspiron 3593, Dell Inspiron 5593, Dell Inspiron 3793 and Dell Inspiron 5493.

Who designed the LA-J091P board?

LA-J091P is a Compal board number used by Dell.

Is there a boardview for LA-J091P?

Yes, 1 boardview file.

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.