Toshiba · laptop motherboard

Toshiba L40-A LA-9861P

SchematicBIOS
Board code
LA-9861P
Made by
Compal
Revisions
Rev 0.3
Files
3
Updated

Toshiba L40-A LA-9861P is a laptop motherboard designed by Compal and used in the Toshiba L40-A.

The catalog has 1 schematic and 2 BIOS files for it, posted between 2020 and 2021 across 2 Telegram channels. Each download button opens the original Telegram post.

The files are marked Rev 0.3; other revisions of the same board can differ in parts and layout.

The schematic is a PDF; the first pages usually hold the block diagram and the power sequence. New to schematics? Start with How to Use a Schematic and a Boardview Together.

BIOS notes: file names mention 4 MB chip sizes. Read and save the original chip contents before you write anything to it — Keeping the Windows Product Key (MSDM) When Reflashing a BIOS.

Compatible models

  • Toshiba L40-A

Files for Toshiba L40-A LA-9861P

Schematics 1 All schematics →

BIOS and firmware 2 All bios and firmware →

Frequently asked questions

Which laptops use the LA-9861P motherboard?
File names in the catalog tie LA-9861P to the Toshiba L40-A. Laptops sold under one model name can use different boards, so confirm by the code printed on the motherboard.
Which revision of LA-9861P do I have?
Files for this board mention Rev 0.3. The revision is printed on the PCB silkscreen, usually next to the board code. Pick files with the same revision when you can; if yours is not listed, the closest revision is usually fine for the schematic but check part positions in the boardview carefully.
What should I check before flashing the LA-9861P BIOS?
Read the original chip with a programmer and save two copies before writing anything. File names for this board mention 4 MB images; the dump size must match your chip. A dump from another board carries that board's serial number and MAC address, so restore yours from the backup.

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Files are hosted on Telegram by third parties; ExcitingSpas.com only links to public posts. Check that a file matches your board before using it. Disclaimer · Report a file