HP · laptop motherboard

HP ProBook 450 G9 DA0X8SMB8H1

BIOS
Board code
DA0X8SMB8H1
Platform
Quanta X8S
Made by
Quanta
Revisions
Rev H
Files
4
Updated

HP ProBook 450 G9 DA0X8SMB8H1 is a laptop motherboard designed by Quanta and used in the HP ProBook 450 G9 and HP ProBook 440 G9.

The catalog has 4 BIOS files for it, posted between 2024 and 2026 across 2 Telegram channels. Each download button opens the original Telegram post.

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

BIOS notes: file names mention 32 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 X8S.

Compatible models

Files for HP ProBook 450 G9 DA0X8SMB8H1

BIOS and firmware 4 All bios and firmware →

Frequently asked questions

Which laptops use the DA0X8SMB8H1 motherboard?
File names in the catalog tie DA0X8SMB8H1 to the HP ProBook 450 G9 and HP ProBook 440 G9. Laptops sold under one model name can use different boards, so confirm by the code printed on the motherboard.
Which revision of DA0X8SMB8H1 do I have?
Files for this board mention Rev H. 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 DA0X8SMB8H1 BIOS?
Read the original chip with a programmer and save two copies before writing anything. File names for this board mention 32 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