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- #INTEL DYNAMIC PLATFORM AND THERMAL FRAMEWORK CODE 31 INSTALL#
- #INTEL DYNAMIC PLATFORM AND THERMAL FRAMEWORK CODE 31 UPDATE#
- #INTEL DYNAMIC PLATFORM AND THERMAL FRAMEWORK CODE 31 DRIVER#
#INTEL DYNAMIC PLATFORM AND THERMAL FRAMEWORK CODE 31 UPDATE#
You can use UEFITool or PhoenixTool to extract the VGA BIOS from factory firmware or Lenovo firmware update images, or dump the VGA BIOS via sysfs on Linux. Using ifdtool you can extract those images from the backup BIOS image. To obtain ME, Intel Descriptor, GbE images you will need to read the BIOS off your T420. EHCI debug dongle support is recommended for debugging.You can use native graphics initialization.You can select 'Use CMOS for configuration values'.Size of CBFS can be set up to 3M (0x300000), if you use a stripped ME from HM65 chipset, it can be more.Just run make nconfig, and select the board Lenovo T420. EC (Embedded Controller) => you do not have to touch it (just leave as is).If you use the 1.5MB one you also need the modified flash descriptor The smallest stripped ME is 1.5MB that can be found. ME (Management Engine) => The original ME is 5MB.The newest version that works is version 2170 VGA Option ROM (optional): you need it if you want graphics in SeaBIOS but most payloads should work without it (text mode or corebootfb mode).CPU Microcode (optional): you may need it if your system is unstable (especially you're using a ES/QS processor).State of dual graphics on Lenovo Notebooks: Board:lenovo/Nvidia_Optimus Proprietary components status eSATA (needs this patch, hotplugging not work).ExpressCard slot (hotplugging not work).Fn hotkeys (backlight control, suspend, thinklight).Windows (through SeaBIOS as payload or chainload SeaBIOS from GRUB payload, using a VGA BIOS).
#INTEL DYNAMIC PLATFORM AND THERMAL FRAMEWORK CODE 31 INSTALL#
Linux (through GRUB-as-payload and a typical MBR install through SeaBIOS).Sound (integrated speakers, integrated mic, external headphones, external mic).An unknown device under Windows 10 is the ACPI\VEN_GOOG&DEV_CB00.System clock time does not change after sleep and wake up under Windows 10.
#INTEL DYNAMIC PLATFORM AND THERMAL FRAMEWORK CODE 31 DRIVER#
Under Windows 10, the Intel Dynamic Platform and Thermal Framework driver does not work (PCI\VEN_8086&DEV_0153) Under linux it's possible to use the thermald software to work around this. Coreboot seems does not have native thermal management (dptf.asl) for t420. To workaround this, uncomment this line (MS_GROUP01_InterTouch_Inst,*PNP0F13) in the SynPD.inf file of Synaptics offcial driver.
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The reason is the ACPI\VEN_PNP&DEV_0F13 generated by the coreboot can not be recognized by the driver. Synaptics Touchpad and Trackpint driver doesnot work originally under Windows 10 (but work under linux).Microphone Mute button not working in Windows 10 (but seems to work under linux).The USB/eSATA hybrid port that are used for EHCI debug cannot funtion after S3 resume if CONFIG_USBDEBUG is set (seems to be the southbridge problem, occurs in older Linux systems but not in newer Linux systems, I just can't figure out why, work around: reload ehci-pci module).Thanks for your interest in Lenovo T420 port. Intel_Native_Raminit has it's own status page.