Identify your products and get driver and software updates for your intel hardware. This can be fixed by disabling speedstep in bios or upgrading the kernel. The purpose of the intel processor diagnostic tool is to verify the functionality of an intel microprocessor. Download new and previously released drivers including support software, bios, utilities, firmware and patches for intel products. The est interface provides support for the intel enhanced speedstep technology. If the directory doesnt work, refer to your distribution documentation. The intel graphics for linux site describes other ways you can obtain drivers. Disable clear linux os enforcement of certain power and performance settings. Acpi cpufreq driver is a kernel driver that controls the.
I have tried switching the governor to performance with no effect. Enhanced intel speedstep technology allows the system to dynamically adjust processor voltage and core frequency, which can result in decreased average power consumption and decreased average heat production. This download installs the intel graphics driver for 6th, 7th, 8th, 9th generation, apollo lake, gemini lake, amber lake, whiskey lake and comet lake. Whats the difference between intel pstate and speed step from. In my understanding, they are both adjusting voltage and freq for power efficiency. Enhanced intel speedstep technology allows the system to dynamically adjust processor voltage and core frequency, decreasing average power consumption and heat production. The diagnostic tool checks for brand identification, verifies the processor operating frequency, tests specific processor features, and performs a stress test on the processor. With the builtin driver, you dont have an icon in the system tray of the taskbar, nor the power applet located in the control panel. By decreasing power and heat on desktop pcs, system builders can potentially lower acoustics, depending on system configurations. This download record is an xml file for the intel extreme tuning utility intel xtu for upgrade purposes. Frequently asked questions about enhanced intel speedstep. Other processors may default to the acpicpufreq driver which reads values. Cpu power and performance documentation for clear linux. Different from the previous versions of microsoft windows, the enhanced intel speedstep technology driver is built into microsoft windows xp.
Cpufreq red hat enterprise linux 7 red hat customer portal. Copy the files into the distributionspecific firmware directory, libfirmware. These drivers are provided and maintained by the linux distribution vendors. The intel product compatibility tool lists linux versions that are reported as compatible by intel nuc users. It is a scaling driver for the sandy bridge and later generations of intel processors. If you configure the kernel yourself, make sure firmware loading is enabled. Note that est capabilities are automatically loaded by the cpufreq4 driver. Intel speedstep on 440bxzxmx chipsets smi interface found in driverscpufreqkconfig. Contact your operating system vendor osv and use their distribution for driver access and support. This driver also supports the intel enhanced speedstep previously supported by. This feature can help address power concerns in companies with sites approaching the limits of bounded electrical infrastructures.