Toshiba · laptop motherboard

Toshiba Satellite M305D DA0BU2MB8F0

SchematicBIOS
Board code
DA0BU2MB8F0
Platform
Quanta BU2
Made by
Quanta
Revisions
Rev 1A, Rev F
Files
7
Updated

Toshiba Satellite M305D DA0BU2MB8F0 is a laptop motherboard designed by Quanta and used in the Toshiba Satellite M305D and Toshiba Satellite U400D.

The catalog has 3 schematics and 4 BIOS files for it, posted between 2018 and 2026 across 4 Telegram channels. Each download button opens the original Telegram post.

File names mention 2 board revisions (Rev 1A and Rev F). Check the revision printed on your PCB before relying on a boardview or flashing a BIOS dump — How to Open .FZ Boardview Files explains why it matters.

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.

BIOS notes: file names mention 2 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.

Also listed under platform Quanta BU2; codes Quanta BU2.

Compatible models

  • Toshiba Satellite M305D
  • Toshiba Satellite U400D

Files for Toshiba Satellite M305D DA0BU2MB8F0

Schematics 3 All schematics →

BIOS and firmware 4 All bios and firmware →

Frequently asked questions

Which laptops use the DA0BU2MB8F0 motherboard?
File names in the catalog tie DA0BU2MB8F0 to the Toshiba Satellite M305D and Toshiba Satellite U400D. Laptops sold under one model name can use different boards, so confirm by the code printed on the motherboard.
Which revision of DA0BU2MB8F0 do I have?
Files for this board mention Rev 1A and Rev F. 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 DA0BU2MB8F0 BIOS?
Read the original chip with a programmer and save two copies before writing anything. File names for this board mention 2 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