Install Libreboot on Topton X2E N150 or BKHD H30W-N150

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PLEASE READ THESE INSTRUCTIONS BEFORE INSTALLING, OR YOU MAY BRICK YOUR MACHINE!! - Please click the link and follow the instructions there, before flashing. For posterity, here is the link again.

Specifications
Manufacturer	Topton, BKHD
Name	X2E N150
	H30W-1264NP-4L5G
Released	2025
Chipset	Intel Alder Lake-N PCH (on package)
CPU	Intel Processor N150 (Twin Lake)
Graphics	Intel Alder Lake Xe (Gen 12)
Memory	Up to 32GB (single-channel DDR5 SO-DIMM)
Architecture	x86_64
Intel ME/AMD PSP	Present, HAP bit set
Flash chip	SOIC-8 16MiB

W+: Works without vendor firmware; 
N: Doesn't work; 
W*: Works with vendor firmware; 
U: Untested; 
P+: Partially works; 
P*: Partially works with vendor firmware

Features
Internal flashing with original boot firmware	W*
Display (Intel GPU)	W*
Display (PCIe graphics card)	U
Audio	W+
RAM Init	W*

Payloads supported
GRUB	Works
SeaBIOS	Works
SeaBIOS with GRUB	Works
U-Boot	Works

This document will teach you how to install Libreboot, on your Topton X2E N150 / BKHD H30W-1264NP-4L5G Mini PC. Libreboot is a Free Software project that replaces proprietary BIOS/UEFI firmware.

Libreboot has support for this, in the Git repository and release versions after (but not including) 25.06.

Topton X2E N150 is a mini-pc with quad i226-V 2.5GbE NICs, intended for networking “appliances” such as routers and firewalls. The board is passively cooled by its aluminium chassis.

Before internal flashing, you must first disable /dev/mem protections. Make sure to re-enable them after you’re finished.

See: Disabling /dev/mem protection

You can actually just compile the Libreboot ROM for this, and flash the entire ROM internally.

You can build the images for it in Libreboot like so:

./mk -b coreboot x2e_n150

More information about building ROM images can be found in the build guide.

This is a Twin Lake board which means that an ME image is required if you wish to flash the ME region. Libreboot’s build system automatically downloads, and inserts this if compiling from source. On this board, neutering is done by setting the High Assurance Platform bit in the Flash Descriptor. This is already done on the IFD Libreboot provides in ROMs.

If you’re using Libreboot release ROM images, the ME image has been scrubbed and you must re-insert it. Use the information on this guide to know how to do that:

Insert vendor files to release ROMs

Vendor firmware imposes no write-protections. Internal flashing is possible.

The board has a single 16 MiB SOIC-8 flash chip on the bottom side of the motherboard. To access it, you need to disassemble the case and remove the board, using a Phillips head screwdriver.

The BIOS flash chip is in the bottom left of the photo below. It is silkscreened with text “SPI_ROM”. Do not mix it up with the 4 other similar flash chips marked LANx_ROM, those are for the Ethernet NICs.

• 16 GB DDR5 RAM @4800 MT/s
• USB keyboard
• Boot from USB, NVMe and SATA
• All NICs
• DisplayPort and HDMI, using FSP blob for graphics init
• beeper output
• S3 suspend, wake on USB keyboard
• Mini-PCIe, M.2 SSD
• SATA
• USB ports
• Serial port (RS-232, Cisco-style RJ45)

At the time of adding this board to Libreboot, the following is untested:

• 5G modem slot

The following does not work:

• USB 3.0, ports only work at up to 2.0 speeds (480Mbps)

SPDX-License-Identifier: GFDL-1.3-or-later

Markdown file for this page: https://libreboot.org/docs/install/x2e-n150.md

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