NovaCustom NV4x 11th Gen Dasharo Release Notes

Following Release Notes describe status of open-source firmware development for NovaCustom NV4x 11th Gen

For details about our release process please read Dasharo Standard Release Process.

Subscribe to NovaCustom NV4x 11th Gen Dasharo Release Newsletter

v1.5.2 - 2024-01-11

Test results for this release can be found here.

Added

• Added Microsoft 2023 keys for UEFI Secure Boot and DBX from 2023.05.9

Changed

• Changed throttling temperature to 80 degrees
• Enabled HTTPS for Dasharo Tools Suite network boot option

Fixed

• Low performance when booting on battery power only
• Regression charging via dell usb-c dock
• Video on USB-C docks sometimes fails to initialize
• USB-C chargers may be overloaded in certain scenarios
• Hybrid Power Boost mode of battery charger is not functional
• Laptop may shut down when disconnecting power supply
• Input current limits are set too high
• Keyboard backlight does not turn off immediately when going to sleep
• Power LED blinks erratically in HPB mode
• EC applying power limits may sometimes fail
• Wrong power limits are applied on AC attach / detach
• USB-PD controller may hang in glitched state on shutdown
• Yellow bangs in device manager
• Random freezes in Windows 11
• Low level interfering crackling/popping of the speakers while playing no sound
• ACPI error during boot (system76_acpi::kbd_backlight)
• Thunderbolt may not work after wakeup from sleep
• Unnecessary security warning after firmware update

Known issues

• Poor Package C-state residency at idle after first s2idle cycle
• Some commands in dasharo_ectool fail
• Incomplete serial console output
• Some devices on dock are not detected after warmboot or reboot
• Function Lock setting is not saved after cold boot
• No ability to change active PCR banks with TPM PPI in FW
• Turning wifi/bt off inside BIOS leads to an ACPI error message while system start on Gentoo Linux
• The laptop does not automatically wake up from hibernation using rtcwake
• Power state after power failure option does not work as intended
• OS fails to resume from S3 on some board revisions
• Windows 11 fails to resume from hibernation
• No HDMI output in firmware
• Connecting and immediately disconnecting the charger, sets the battery status in OS to "charging" for about 2 minutes
• Platform fails to resume from S3 suspend
• Early boot DMA protection setting in UEFI does not work correctly

Binaries

novacustom_nv4x_tgl_ec_v1.5.2.rom sha256 sha256.sig

novacustom_nv4x_tgl_v1.5.2.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 4.21 revision cb6ef1b9
• Dasharo EDKII fork based on edk2-stable202002 revision b7274c98

v1.5.1 - 2023-11-06

Test results for this release can be found here.

Added

• 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

Changed

• Rebased on coreboot release 4.21
• Removed software keyboard backlight controls for improved backlight reliability
• Disabled EC debug logging for improved security
• Set throttling temperature to 75 degrees C
• UEFI 2.8 specification compliance
• Improved battery charging logic
• Improved USB-C docking station compatibility

Fixed

• Low performance when booting on battery power only
• Power delivery compatibility
• Better support for USB-PD power supplies
• After changing the Intel ME mode the Reset option in the setup menu turns off the device
• Laptops randomly go into suspend mode from which they can not wake up.
• Reset to defaults with F9 causes the wrong settings to be restored
• Keyboard backlight not working after restart
• Warning sign in device manager under the touchpad device
• Popup with information about recovery mode is displayed after flashing with a valid binary
• The power LED is not always blinking while in sleep mode on Windows 11
• Internal keyboard stops working randomly in firmware
• DTS on network boot fails to boot
• Firmware Update Mode does not automatically boot into DTS
• Permanent keyboard illumination after cold boot fails: keyboard light level is not saved correctly
• Controlling keyboard illumination (brightess and on/off) does not work
• Permanent keyboard illumination not working in Ubuntu 22.04
• Controlling brightness and turning off RGB keyboard illumination does not work (Ubuntu 22.04)
• Wi-Fi card is not recognized on Windows 11
• No HDMI audio on Windows 11
• No HDMI display output on Windows 11
• No USB-C display output on Windows 11
• Keyboard backlight is disabled after suspend (Windows 11)
• Reset by F9 sets battery thresholds to 0
• The docking station is not detected after cold-boot, warm-boot and reboot

Known issues

• Docking station may fail to be initialized if connected before booting and connected to multiple monitors
• Connecting and immediately disconnecting the charger, sets the battery status in OS to 'charging' for about 2 minutes
• Power state after power failure option does not work as intended
• No ability to change active PCR banks with TPM PPI in FW
• Windows 11 fails to resume from S3 on some board revisions
• Windows 11 fails to resume from hibernation

Binaries

novacustom_nv4x_tgl_ec_v1.5.1.rom sha256 sha256.sig

novacustom_nv4x_tgl_v1.5.1.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 4.21 revision 36032e55
• Dasharo EDKII fork based on edk2-stable202002 revision b68e46b0

v1.4.0 - 2023-02-24

Test results for this release can be found here.

Added

• The same keyboard illumination setting is restored after suspend or poweroff
• One of the two fan profiles can now be selected in Setup Menu
• Fn lock hotkey feature

Changed

• Keys must be provisioned prior enabling Secure Boot

Fixed

• ISO keyboard issue for non-US layouts (Dasharo issue #259)
• The NVIDIA graphics power management isn't properly functional (Dasharo issue #145)

Known issues

• Low level interfering crackling/popping of the speakers while playing no sound (Dasharo issue #224)
• Waking up from sleep on Ubuntu 22.04 is not 100% reliable (Dasharo issue #205)
• The power LED is not always blinking while in sleep mode on Windows 11 (Dasharo issue #182)
• No video output via USB-C after shutdown if PowerDelivery (PD) is active NV40MZ (Dasharo issue #237)
• Buggy touchpad when charging via USB-C (NV40MZ) (Dasharo issue #265)
• Keyboard backlight turns on after resuming from sleep mode (Dasharo issue #332)
• The screen brightness level gets stuck when key are held or pressed too fast (Dasharo issue #341)
• Connecting and immediately disconnecting the charger, sets the battery status in OS to 'charging' for about 2 minutes (Dasharo issue #350)

Binaries

novacustom_nv4x_tgl_ec_v1.4.0.rom sha256 sha256.sig

novacustom_nv4x_tgl_v1.4.0.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 1a8eb6c02103727431ac1ea23f4f507e49f3cde7 revision 636f432a
• Dasharo EDKII fork based on e0334c228ce4ba51f47ff79a118f214031d4650f revision 2c61576a
• Intel ME version 15.0.30.1776

v1.3.0 - 2022-10-18

Test results for this release can be found here.

EC firmware transition

Please note, that version 1.3.0 of Dasharo BIOS firmware works correctly only with the Dasharo EC firmware. This is the first release when this open-source EC firmware is used, so additional steps need to be taken when upgrading.

Please refer to the Firmware update section for more details on upgrading your firmware.

Added

• Vboot recovery mode information popup
• Dasharo setup menu full screen mode support

Changed

• Rebased on upstream coreboot revision from 18 Aug 2022
• Support for open-source EC firmware (transition procedure is required)
• Disabled UEFI Secure Boot by default

Fixed

• Custom fan curve is not applied after suspend (Dasharo issue #45)
• The touchpad ON/OFF switch Fn key is not functional (Dasharo issue #38)
• UCM-UCSI ACPI device displays an error in Windows Device Manager
• Laptop cannot output video via the Tunderbolt 4 USB Type-C port

Known issues

• Low level interfering crackling/popping of the speakers while playing no sound (Dasharo issue #224)
• Waking up from sleep on Ubuntu 22.04 is not 100% reliable (Dasharo issue #205)
• After emergency shutdown, keyboard doesn't work before OS (Dasharo issue #199)
• The power LED is not always blinking while in sleep mode on Windows 11 (Dasharo issue #182)
• The NVIDIA graphics power management isn't properly functional (Dasharo issue #145)

Binaries

novacustom_nv4x_ec_v1.3.0.rom sha256 sha256.sig

novacustom_nv4x_v1.3.0.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 bcc2fb719aaf2d466f9fb429b892f2d268bed5a7 revision a087c3e2
• Dasharo EDKII fork based on e0334c228ce4ba51f47ff79a118f214031d4650f revision abfdef40

v1.2.1 - 2022-06-23

Fixed

• cbfstool logo replacement not working on NV4x v1.2.0

Known issues

• Custom fan curve is not applied after suspend (Dasharo issue #45)
• UCM-UCSI ACPI device displays an error in Windows Device Manager
• USB4 Root Device Router device displays an error in Windows 11 Device Manager
• Windows 10 SD card reader driver needs manual installation on NV41MB
• Low level interfering crackling/popping of the speakers while playing no sound
• Laptop cannot output video via the Tunderbolt 4 USB Type-C port

Binaries

novacustom_nv4x_v1.2.1.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)

• coreboot based on e3e965b1 revision baada726
• edk2 based on 2020.03.17 revision cad23725

v1.2.0 - 2022-06-10

Added

• Renamed device to NovaCustom NV4x

Fixed

• Wake from suspend doesn't work with certain SSDs
• CVE-2022-29264 SMM loader vulnerability
• Fix BIOS vendor name in SMBIOS

Known issues

• Custom fan curve is not applied after suspend (Dasharo issue #45)
• UCM-UCSI ACPI device displays an error in Windows Device Manager
• USB4 Root Device Router device displays an error in Windows 11 Device Manager
• Windows 10 SD card reader driver needs manual installation on NV41MB
• Low level interfering crackling/popping of the speakers while playing no sound
• Laptop cannot output video via the Tunderbolt 4 USB Type-C port

Binaries

novacustom_nv4x_v1.2.0.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)

• coreboot based on e3e965b1 revision baada726
• edk2 based on 2020.03.17 revision cad23725

v1.1.0 - 2022-03-23

Added

• Add Dasharo Tools Suite network boot integration
• Add a persistent bootlogo implementation

Known issues

• UCM-UCSI ACPI device displays an error in Windows Device Manager
• USB4 Root Device Router device displays an error in Windows 11 Device Manager
• Windows 10 SD card reader driver needs manual installation on NV41MB
• Low level interfering crackling/popping of the speakers while playing no sound
• Laptop cannot output video via the Tunderbolt 4 USB Type-C port

Binaries

clevo_nv41mz_v1.1.0.rom sha256 sha256.sig

SBOM (Software Bill of Materials)

• coreboot based on ae9a8447 revision 0722fdf0
• edk2 based on 2020.03.17 revision ec6805c2

v1.0.1 - 2022-03-01

Added

• Change DMI fields to match previous Insyde firmware
• Hide unknown ACPI devices
• Set correct Realtek HD Audio subsystem ID
• Set correct ACPI path for the TPM
• Set TPM IRQ in a manner understood by Windows

Removed

• Removed proprietary blobs from built coreboot images

Fixed

• Updating firmware using fwupd
• MIC-in phone jack not working
• This PC can't run Windows 11 error while installing Windows 11 from a USB pen drive

Known issues

• Custom fan curve is not functional after suspend
• UCM-UCSI ACPI device displays an error in Windows Device Manager
• USB4 Root Device Router device displays an error in Windows 11 Device Manager
• Windows 10 SD card reader driver needs manual installation on NV41MB
• Low level interfering crackling/popping of the speakers while playing no sound
• Laptop cannot output video via the Tunderbolt 4 USB Type-C port

Binaries

clevo_nv41mz_v1.0.1.rom sha256 sha256.sig

SBOM (Software Bill of Materials)

• coreboot based on ae9a8447 revision 3a3808f9
• edk2 based on 2020.03.17 revision e0334c22

v1.0.0 - 2022-01-19

Added

• Documentation for touchpad hotkey enablement on Linux

Removed

• Removed proprietary blobs from built coreboot images

Fixed

• The touchpad ON/OFF switch Fn key is not functional
• Charging indicator displays wrong state if power adapter was unplugged while in sleep mode
• Bluetooth does not work under Windows

Known issues

• Unable to download the system by using iPXE
• Laptop cannot output video via the Tunderbolt 4 USB Type-C port
• Windows 10 SD card reader driver needs manual installation on NV41MB

Binaries

clevo_nv41mz_v1.0.0.rom sha256 sha256.sig

SBOM (Software Bill of Materials)

• coreboot based on ae9a8447 revision e995fc1c
• edk2 based on 2020.03.17 revision 59ae285f

v0.5.0 - 2021-11-19

Added

• vboot Verified Boot
• TPM Measured Boot
• Custom fan curve
• Microcode for Tiger Lake stepping 0x2
• Documentation for EC firmware update

Changed

• Disabled unused DPTF device

Fixed

• Performance drop when the power adaptor is disconnected
• High Nvidia GPU energy draw at idle in Windows

Known issues

• Unable to download the system by using iPXE
• Laptop cannot output video via the Tunderbolt 4 USB Type-C port
• The touchpad ON/OFF switch Fn key is not functional

Binaries

dasharo_clevo_nv41mz_v0.5.0.rom sha256 sha256.sig

SBOM (Software Bill of Materials)

• coreboot based on ae9a8447 revision 7d439573
• EDK2 based on 2020.03.17 revision bfd3d1a2

v0.4.0 - 2021-10-26

Added

• Added full support for sleep mode (s0ix / Modern Standby)
• Added support for NV41MB model
• Added support for nvidia discrete graphics (doesn't power off in Windows yet)

Changed

• Fixed regression with non-funtional airplane mode hotkey on Windows
• Disabled legacy 8254 timer for lower power draw

Fixed

• Sleep mode is not functional
• The camera ON/OFF switch Fn key is not functional

Known issues

• Unable to download the system by using iPXE
• Laptop cannot output video via the Tunderbolt 4 USB Type-C port
• High Nvidia GPU energy draw at idle in Windows
• Performance drop when the power adaptor is disconnected
• The touchpad ON/OFF switch Fn key is not functional

Binaries

dasharo_clevo_nv41mz_v0.4.0.rom sha256 sha256.sig

SBOM (Software Bill of Materials)

• coreboot based on ae9a8447 revision 03972293
• EDK2 based on 2020.03.17 revision bfd3d1a2

v0.3.0 - 2021-10-11

Added

• Support for discrete TPM
• USB Type-C ACPI support (UCSI)
• Improved runtime power management for SSD (reduces power usage while in sleep)
• Added partial sleep support (system saves power, but fans still spin)

Changed

• Rebased on coreboot revision ae9a8447

Known issues

• Sleep mode is not functional
• The camera ON/OFF switch Fn key is not functional
• The touchpad ON/OFF switch Fn key is not functional

Binaries

dasharo_clevo_nv41mz_v0.3.0.rom sha256 sha256.sig

SBOM (Software Bill of Materials)

• coreboot based on ae9a8447 revision v0.3.0
• EDK2 based on 2020.03.17 revision bfd3d1a2

v0.2.1 - 2021-9-29

Added

• Integrated graphics backlight configuration for Windows

Changed

• Updated the Video Bios Table

Fixed

• Screen brightness is stuck at 0% in the Windows Installer

Known issues

• Sleep mode is not functional
• The camera ON/OFF switch Fn key is not functional
• The touchpad ON/OFF switch Fn key is not functional

Binaries

dasharo_clevo_nv41mz_v0.2.1.rom sha256 sha256.sig

SBOM (Software Bill of Materials)

• coreboot based on 4.14 revision 43c9604b
• EDK2 based on 2020.03.17 revision bfd3d1a2

v0.2.0 - 2021-9-24

Added

• UEFI Secure Boot support
• UEFI Shell selectable in boot menu
• iPXE selectable in boot menu
• NovaCustom boot logo
• Customized boot menu keys
• Customized setup menu keys
• Support for backlight hotkey in Windows
• Preserve boot order settings after Dasharo update

Changed

• Replaced CorebootPayloadPkg with Dasharo UEFIPayloadPkg
• Changed the behavior of airplane mode to match stock firmware (now it can be disabled in software)

Known issues

• Screen brightness is stuck at 0% in the Windows Installer
• Sleep mode is not functional
• The camera ON/OFF switch Fn key is not functional
• The touchpad ON/OFF switch Fn key is not functional

Binaries

dasharo_clevo_nv41mz_v0.2.0.rom sha256 sha256.sig

SBOM (Software Bill of Materials)

• coreboot based on 4.14 revision ff1c6572
• EDK2 based on 2020.03.17 revision bfd3d1a2

v0.1.2 - 2021-08-31

Added

• Clevo NV41MZ platform support
• Clevo IT5570 EC support
• UEFI boot support
• configurable boot order
• configurable boot options
• Integrated graphics initialization for internal LCD (eDP) and external HDMI port

Binaries

clevo_nv41mz_v0.1.2.rom sha256 sha256.sig

All in one zip

SBOM (Software Bill of Materials)

• coreboot 4.14 (with additional commits for Clevo NV41MZ board support)
• EDK2