LA-E811P – HP 15-bs038ur
The LA-E811P (Compal) motherboard is found in the HP 15-bs038ur, HP 15-bs572ur, HP 250 G5 and HP CSL50CSL52. ChambersDesignInc.com has indexed 8 files for this board — 6 BIOS files, 2 schematics and 1 EC firmware image.
File names mention revision 2.0, 0.0 or 1.0. The BIOS dumps are 8 MB images. ODM project names: CSL50 and CSL52. First posted in December 2018 in BIOS Archive, Schematics & Boardviews Archive and Cyberlan Electronics.
BIOS dumps 6
Schematics 2
Board facts
| Board number | LA-E811P |
|---|---|
| Designed by | Compal |
| Platform group | LA-E |
| ODM project | CSL50, CSL52 |
| Revisions | 2.0, 0.0, 1.0 |
| BIOS chip size | 8 MB |
| First seen | 2018-12-01 |
| Source channels | BIOS Archive, Schematics & Boardviews Archive, Cyberlan Electronics, BIOS BIN FILES |
| About the number | Compal board numbers start with LA- for main boards and LS- for daughter boards. |
Laptops that use LA-E811P
- HP 15-bs038ur
- HP 15-bs572ur
- HP 250 G5
- HP CSL50CSL52
- HP TPN-C129
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
Is there a boardview for LA-E811P?
No boardview has been indexed for LA-E811P yet; the schematic is available on this page.
Which laptops use the LA-E811P board?
Files in the catalog link LA-E811P to the HP 15-bs038ur, HP 15-bs572ur, HP 250 G5, HP CSL50CSL52 and HP TPN-C129.
What BIOS chip size does LA-E811P use?
The BIOS images for LA-E811P are 8 MB.
Who designed the LA-E811P board?
LA-E811P 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.