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Lenovo later started to include backlit keyboards, and some models included both the ThinkLight and a backlit keyboard. For those models, the Fn-Space shortcut is also used in conjunction to control a backlit keyboard (if the laptop has it). The on-screen display of ThinkPad computers will display a light on and a light off indicator.
The desktop offered up to 32 GB of DDR3 RAM, with storage options of a 128 GB solid-state drive or up to 4 TB hard disk drives. [3] The desktop could also be optionally equipped with twin hard disks in a RAID configuration. [3] A differentiator from Lenovo's other mainstream desktops was the choice of either NVIDIA or AMD discrete graphics. [3]
The keyboard sends the key code to the keyboard driver running in the main computer; if the main computer is operating, it commands the light to turn on. All the other indicator lights work in a similar way. The keyboard driver also tracks the shift, alt and control state of the keyboard.
The IdeaCentre K300 desktop was described by Lenovo as a “performance desktop”. [16] The desktop included an Intel Core 2 Quad processor and hard disk drives configured for RAID. [16] Another feature on the desktop was the Lenovo Power Control Switch, allowing users to adjust power utilization between energy efficiency and superior ...
[citation needed] The keyboard switch matrix is wired to its inputs, it converts the keystrokes to key codes, and, for a detached keyboard, sends the codes down a serial cable (the keyboard cord) to the main processor on the computer motherboard. This serial keyboard cable communication is only bi-directional to the extent that the computer's ...
Computer cooling is required to remove the waste heat produced by computer components, to keep components within permissible operating temperature limits. Components that are susceptible to temporary malfunction or permanent failure if overheated include integrated circuits such as central processing units (CPUs), chipsets , graphics cards ...
Processor power dissipation or processing unit power dissipation is the process in which computer processors consume electrical energy, and dissipate this energy in the form of heat due to the resistance in the electronic circuits.
A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals combined with polarizers to display information. Liquid crystals do not emit light directly [1] but instead use a backlight or reflector to produce images in color or monochrome. [2]