NVIDIA System Tools (previously called nTune) is a discontinued collection of

utilities A public utility company (usually just utility) is an organization that maintains the infrastructure for a public service (often also providing a service using that infrastructure). Public utilities are subject to forms of public control and r ...

for accessing, monitoring, and adjusting

system A system is a group of Interaction, interacting or interrelated elements that act according to a set of rules to form a unified whole. A system, surrounded and influenced by its environment (systems), environment, is described by its boundaries, ...

components, including temperature and voltages with a

graphical user interface The GUI ( "UI" by itself is still usually pronounced . or ), graphical user interface, is a form of user interface that allows users to interact with electronic devices through graphical icons and audio indicator such as primary notation, inste ...

within Windows, rather than through the

BIOS In computing, BIOS (, ; Basic Input/Output System, also known as the System BIOS, ROM BIOS, BIOS ROM or PC BIOS) is firmware used to provide runtime services for operating systems and programs and to perform hardware initialization during the ...

. Additionally, System Tools has a feature that automatically adjusts settings and tests them to find what it believes to be the optimal combination of settings for a particular

computer hardware Computer hardware includes the physical parts of a computer, such as the computer case, case, central processing unit (CPU), Random-access memory, random access memory (RAM), Computer monitor, monitor, Computer mouse, mouse, Computer keyboard, ...

configuration. Everything, including the

graphics processing unit A graphics processing unit (GPU) is a specialized electronic circuit designed to manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display device. GPUs are used in embedded systems, mobi ...

(GPU),

central processing unit A central processing unit (CPU), also called a central processor, main processor or just processor, is the electronic circuitry that executes instructions comprising a computer program. The CPU performs basic arithmetic, logic, controlling, an ...

(CPU),

Media Communications Processor nForce is a motherboard chipset created by Nvidia originally for AMD Athlon and Duron, with later revisions also supporting contemporary Intel processors. The chipset shipped in 3 varieties; 220, 415, and 420. 2 ...

(MCP),

RAM Ram, ram, or RAM may refer to: Animals * A male sheep * Ram cichlid, a freshwater tropical fish People * Ram (given name) * Ram (surname) * Ram (director) (Ramsubramaniam), an Indian Tamil film director * RAM (musician) (born 1974), Dutch * ...

, voltage and fans are adjusted, though not all motherboards support all of these adjustment options. Configurations can also be saved. This allows the

end user In product development, an end user (sometimes end-user) is a person who ultimately uses or is intended to ultimately use a product. The end user stands in contrast to users who support or maintain the product, such as sysops, system administrat ...

to toggle between performance gaming profiles, quiet profiles for less demanding work, or some other profile that is usage-specific. NVIDIA System Tools is also a front end for the BIOS. Most settings that can be changed in the BIOS are available in the utilities included. BIOS and driver updates to both nForce and GeForce hardware can also be done through System Tools. It additionally supports hardware which is certified under the

Enthusiast System Architecture The Enthusiast System Architecture (ESA) specification is a royalty-free protocol for two-way communication of PC components. Announced in 2007, ESA is used for monitoring temperature of computer hardware components such as the computer case and ...

and connects to the motherboard via USB.

Previously supported motherboard chipsets

The following chipsets were supported in nTune releases, but are no longer supported by NVIDIA System Tools. * nForce 220, nForce 220D, nForce 415 and nForce 420D *

nForce2 The nForce2 chipset was released by Nvidia in July 2002 as a refresh to the original nForce product offering. The nForce2 chipset was a platform for motherboards supporting AMD's Socket A CPUs along with DDR SDRAM. There were multiple variat ...

and nForce2 400 * nForce2 Ultra and nForce2 Ultra 400 * nForce2 400R and nForce2 Ultra 400Gb * nForce3 150 and nForce3 PRO 150 * nForce3 250, nForce3 250Gb and nForce3 PRO 250

Currently supported motherboard chipsets

* nForce4 Pro 2200, nForce4 Ultra, nForce4 SLI, and nForce4 SLI x16 * nForce 590 SLI, nForce 570 SLI, nForce 570 LT SLI, nForce 570 Ultra, nForce 560, nForce 550, nForce 520, and nForce 520 LE * nForce 680a SLI, nForce 680i SLI, nForce 680i LT SLI, nForce 650i SLI, nForce 650i Ultra, nForce 630a, nForce 630i, and nForce 610i * nForce 790i Ultra SLI, nForce 790i SLI, nForce 780a SLI, nForce 780i SLI, nForce 750a SLI, nForce 750i SLI, nForce 730a, nForce 720a, and nForce 710a

Supported graphics processors

The following

GPUs A graphics processing unit (GPU) is a specialized electronic circuit designed to manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display device. GPUs are used in embedded systems, mobil ...

are supported for overclocking and temperature monitoring. * GeForce 5 (FX) *

GeForce 6 The GeForce 6 series (codename NV40) is Nvidia's sixth generation of GeForce graphic processing units. Launched on April 14, 2004, the GeForce 6 family introduced PureVideo post-processing for video, '' SLI'' technology, and ''Shader Model 3.0 ...

GeForce 7 The GeForce 7 series is the seventh generation of Nvidia's GeForce graphics processing units. This was the last series available on AGP cards. A slightly modified GeForce 7-based card (more specifically based on the 7800GTX) is present as the ...

* GeForce 8 * GeForce 9 * GeForce 200 * GeForce 300 *

GeForce 400 Serving as the introduction of Fermi (microarchitecture), Fermi, the GeForce 400 series is a series of graphics processing units developed by Nvidia. Its release was originally slated in November 2009; however, after delays, it was released on M ...

* GeForce 500 {{NVIDIA BIOS Nvidia software Windows-only software