NovaCustom V540TU 14th Gen Dasharo (coreboot + heads) Release Notes
This document contains the release notes for Heads firmware for NovaCustom V540TU series of laptops.
Tests were conducted only on the Full HD model.
Test matrix and results will be published here.
This is a Dasharo Pro Package Release. To access the pre-built binaries, you need to subscribe to the Dasharo Pro Package . You can do this by purchasing a Dasharo Pro Package product from our shop . As a subscriber, you will receive access to all firmware updates for the duration of your subscription via the Dasharo Pro Package newsletter, and gain entry to the Dasharo Premier Support invite-only live chat on the Matrix network, enabling direct engagement with the Dasharo Team and fellow subscribers for personalized , priority assistance.
For details about our release process please read Dasharo Standard Release Process.
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v0.9.0 - 2025-03-20
Test results for this release can be found here.
Added
- Configured correct clock for GbE on Clevo/MTL-H
- Fixed touchpad IRQ pin assignment on Clevo/MTL-H
- Adjusted ACPI configuration to fix missing CNVi pinmux
- Meteor Lake graphics operations integrated into SoC
- Clevo/MTL-H PCIe root port flags added
- Windows BSOD caused by missing ACPI device names
- RTC failure workaround for MRC fastboot
- SPD size correctly set for Clevo/MTL-H
- Corrected temperature control offsets in Meteor Lake
- Fixed duplicate temperature symbol in Kconfig
- Introduced Quiet Mode for reduced technical output in logs
- Added TPM extend operations logging while maintaining quiet mode
- Added support for GPG Admin/User PIN output grabbing for Nitrokey HOTP verification
- Integrated EFF Diceware short wordlist v2 for easier passphrase generation
- Introduced automatic Secrets App reset logic for Nitrokey 3
- Unified and enhanced passphrase generation logic in recovery shell
- Support for Novacustom V54 (v540tu)
- Quiet Mode now logs all technical details to /tmp/debug.log instead of showing them in the console
- Improved TPM2 primary handle debugging and error handling
- Refactored the OEM Factory Reset process to clarify mode-based security implications
- Improved kexec boot configuration handling with enhanced security warnings
- Transitioned from
ashshell tobashfor improved scripting consistency - Suppressed unnecessary grep errors for missing
/etc/config.user - Resolved logging inconsistencies when performing TPM resets
- Fixed Secure App PIN handling during Nitrokey 3 re-ownership
- Corrected Diceware dictionary parsing and selection method for unbiased passphrase generation
- Eliminated redundant USB Security dongle detection messages
Known issues
Binaries
This is a Dasharo Pro Package Release. To obtain access to the pre-built binaries you will have to become a Dasharo Pro Package subscriber. You will get the access to all of the firmware updates for the duration of the subscription via Dasharo Pro Package newsletter.
To verify binary integrity with hash and signature please follow the instructions in Dasharo release signature verification using this key
SBOM (Software Bill of Materials)
- Dasharo heads fork based on v0.2.1 revision 5383a0c3
- Dasharo fork of System76 EC based on 485f3900 revision 4ae73b9d
- vboot based on 3d37d2aa revision 3d37d2aa
- Intel Management Engine version v18.0.5.2040
- Intel Flash Descriptor version v1.0
- Intel microcode version MTL C0 0x0000001c 0x1c 03/01/2024
- Intel Firmware Support Package for Meteor Lake-H version 2024/04/30 v4122_12