Samsung · laptop motherboard

Samsung NP300E4A BA41-01666A

SchematicBIOS
Board code
BA41-01666A
Revisions
Rev 1.2
Files
8
Updated

Samsung NP300E4A BA41-01666A is a laptop motherboard used in the Samsung NP300E4A, Samsung 300E4A, Samsung NP305E4A and Samsung NP-300E4A.

The catalog has 2 schematics and 6 BIOS files for it, posted between 2018 and 2025 across 3 Telegram channels. Each download button opens the original Telegram post.

The files are marked Rev 1.2; other revisions of the same board can differ in parts and layout.

The schematic files are PDFs; 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.

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

  • Samsung NP300E4A
  • Samsung 300E4A
  • Samsung NP305E4A
  • Samsung NP-300E4A

Files for Samsung NP300E4A BA41-01666A

Schematics 2 All schematics →

BIOS and firmware 6 All bios and firmware →

Notes from the source posts

  • You can give us as a gift.

Frequently asked questions

Which laptops use the BA41-01666A motherboard?
File names in the catalog tie BA41-01666A to the Samsung NP300E4A, Samsung 300E4A, Samsung NP305E4A and Samsung NP-300E4A. Laptops sold under one model name can use different boards, so confirm by the code printed on the motherboard.
Which revision of BA41-01666A do I have?
Files for this board mention Rev 1.2. 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 BA41-01666A BIOS?
Read the original chip with a programmer and save two copies before writing anything. 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