Intel speedstep linux driver

By decreasing power and heat on desktop pcs, system builders can potentially lower acoustics, depending on system configurations. I have tried switching the governor to performance with no effect. Copy the files into the distributionspecific firmware directory, libfirmware. Acpi cpufreq driver is a kernel driver that controls the. This download record is an xml file for the intel extreme tuning utility intel xtu for upgrade purposes.

This can be fixed by disabling speedstep in bios or upgrading the kernel. Enhanced intel speedstep technology allows the system to dynamically adjust processor voltage and core frequency, decreasing average power consumption and heat production. Contact your operating system vendor osv and use their distribution for driver access and support. Intel graphics drivers for linux are available in source form. These drivers are provided and maintained by the linux distribution vendors. Note that est capabilities are automatically loaded by the cpufreq4 driver. This feature can help address power concerns in companies with sites approaching the limits of bounded electrical infrastructures. The est interface provides support for the intel enhanced speedstep technology. 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. If youre installing openelec or ubuntu on the intel nuc kit dn2820fykh or de3815tykhe, there are specific changes required in bios. The diagnostic tool checks for brand identification, verifies the processor operating frequency, tests specific processor features, and performs a stress test on the processor.

This driver also supports the intel enhanced speedstep previously supported by. Download new and previously released drivers including support software, bios, utilities, firmware and patches for intel products. Linux drivers are part of the upstream linux kernel. Most linuxbased distributions include intel graphics drivers. Cpu power and performance documentation for clear linux. The intel graphics for linux site describes other ways you can obtain drivers. Intel speedstep on 440bxzxmx chipsets smi interface found in driverscpufreqkconfig. The purpose of the intel processor diagnostic tool is to verify the functionality of an intel microprocessor. It is a scaling driver for the sandy bridge and later generations of intel processors. Identify your products and get driver and software updates for your intel hardware. Other processors may default to the acpicpufreq driver which reads values.

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. Frequently asked questions about enhanced intel speedstep. If you configure the kernel yourself, make sure firmware loading is enabled. If the directory doesnt work, refer to your distribution documentation. In my understanding, they are both adjusting voltage and freq for power efficiency. The intel product compatibility tool lists linux versions that are reported as compatible by intel nuc users.