NovaCustom V540TU Dasharo Release Notes
Following Release Notes describe status of open-source firmware development for NovaCustom V540TU
For details about our release process please read Dasharo Standard Release Process.
v1.0.0 - 2025-09-18
Test results for this release can be found here.
Added
- Quiet boot/Fast boot
- FTDI controller support
- Dasharo TrustRoot (Intel Boot Guard) support
- Sleep-and-charge ports
- Sleep type option
- PCR-0 reconstruction
- ACPI driver
- UEFI Capsule Update support
- Fedora support
Changed
- coreboot rebased on 24.12
- EDK II rebased on edk2-stable202502
- UEFI DBX updated to 2025-06-13
- Owner GUID of Secure Boot DB and KEK to Microsoft recommended values
Fixed
- No HDMI output in FW on V540TU and V560TU
- Laggy behaviour on Manjaro (KDE) with open drivers
- Battery draining in sleep mode on Windows 11
- Small text in setup menu
- External boot file to USB flash drive not found after rebooting
- XFCE battery indicator keeps switching charge state when fully charged
- Laptop starts after shutting down if WiFi is firmware-disabled
- No HDMI output in firmware
- Integrated graphics driver does not load (Windows 11)
- Windows 11 fails to resume from hibernation
- BIOS settings are randomly reset
- Booting DTS v2.0.0 through iPXE has no internet
- Wrong serial number printed in console
- No external HDMI display (Firmware)
Known issues
- Previous power state restoration doesn't work
- Artifacts in video playback in some players using HW acceleration
- Only native resolution listed for internal panel
- Early DMA protection cannot be applied to NovaCustom MTL
- Spurious USB 3 disconnects with Sonnet Echo 11 Thunderbolt 4 dock
- Logo out of proportion
- GRUB installation fails sometimes
- Capsule Updates require ME to be manually disabled
- Capsule update signing is not enforced
- Microphone mute Fn key doesn't work in Windows
- 48GB SODIMMs get hot during MemTest86+
Binaries
novacustom_v54x_mtl_igpu_ec_v1.0.0.rom sha256 sha256.sig
novacustom_v54x_mtl_igpu_v1.0.0_btg_provisioned.cap sha256 sha256.sig
novacustom_v54x_mtl_igpu_v1.0.0_btg_provisioned.rom sha256 sha256.sig
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 coreboot fork based on 25.03 revision 91420dbc
- Dasharo EDKII fork based on edk2-stable202502 revision 1c50dad8
- Dasharo iPXE fork based on 2025.03 revision 6c7068fc
- vboot based on 3d37d2aafe revision f1f70f46
- Intel Management Engine version v18.0.10.2285
- Intel Firmware Support Package for Meteor Lake-H version 2024/04/30 v4122_12
- Intel Flash Descriptor version v1.0
- Intel microcode version MTL C0 0x00000020 0x25 19/03/2025
v0.9.0 - 2024-07-18
Test results for this release can be found here.
Added
- Support for NovaCustom Meteor Lake platform (integrated graphics)
- Vboot Verified Boot
- TPM Measured Boot
- Vboot recovery notification in UEFI Payload
- UEFI Shell
- UEFI Secure Boot
- Firmware update mode
- BIOS boot medium write-protection
- SMM BIOS write protection
- Early boot DMA protection
- Early Sign of Life display output
- Current limiting for USB-PD power supplies
- Setup menu password configuration
- Wi-Fi / Bluetooth module disable option in setup menu
- Built-in webcam disable option in setup menu
- USB stack disable option in setup menu
- Network stack disable option in setup menu
- Battery threshold options in setup menu
- Intel ME disable option in setup menu
- Block boot when battery is too low
- Power on AC option in setup menu
- Keyboard backlight level is restored after suspend or poweroff
- Fan profiles in setup Menu
- Fn lock hotkey feature
- Throttling temperature adjustment in setup menu
Known issues
- No HDMI output in FW on V540TU and V560TU
- Laggy behaviour on Manjaro (KDE) with open drivers
- V540TU: Option Previous power state restoration doesn't work
- Artifacts in video playback in some players using HW acceleration
- Only native resolution listed for internal panel
Binaries
novacustom_v54x_mtl_ec_v0.9.0.rom sha256 sha256.sig
novacustom_v54x_mtl_v0.9.0.rom sha256 sha256.sig
novacustom_v54x_mtl_v0.9.0_dev_signed.rom sha256 sha256.sig
To verify binary integrity with hash and signature please follow the instructions in Dasharo release signature verification using this key