![]() ![]() Wider keys are well-known to yield more typing errors, but Lenovo compensates somewhat for that by making the forward edge curved for larger "forgiveness zone" in front of the gap between keys. The surface of the chiclet keycaps is slightly wider than before. Availability is indicated by an icon on the space bar. Backlighting is available on some models. It was introduced in the main lineup in 2012 and branded "AccuType". Lenovo claimed to have performed 350 hours of user testing with people in four countries before launch. The first ThinkPad model with a chiclet keyboard design was the ThinkPad X1 (1st gen) in 2011. The key switches are buckling rubber sleeve over membrane, made by Key Tronic. Because of this mechanism, it has been nicknamed the "Butterfly Keyboard". When the laptop's lid is folded open, the keyboard parts slide (on tracks?) to its full width protruding out the sides of the computer like wings. To make the keyboard fit in the comparatively small width of these laptops, the keyboard is divided on the diagonal into two sections that are stored out of shift when the lid is closed. The TrackWrite keyboard is found only in the "sub-notebooks" ThinkPad 701C and 701CS released in March of 1995. These keyboards do otherwise have the same layout as every other classic ThinkPad. The keys on the left edge, the right edge and modifiers on the bottom row have been reduced in width to make the keyboard smaller overall. Larger 17"+ ThinkPads with a numeric keyboard on the right side. On some, the Windows key is shrunk to less than one unit in width. ![]() On keyboards with Windows keys, the Alt keys and the right Ctrl key are often smaller to make room for the Windows key and a Menu key. On winkeyless keyboards, the Alt and Ctrl keys are typically 1.5u wide. On some keyboards, the function and nav-keys are grey instead of black. The function row's keys and the arrow keys are often slightly smaller than the others: three keys fitting inside 2.75u width. The legend on the Fn key is often the same colour as the Fn-layer symbols on keys: blue or grey. There are usually media keys, a ThinkVantage button and a power button above the leftmost function keys.Īlmost all keyboards have a Fn key in the lower left corner of the keyboard. ![]() ![]() Above F9.F12 are PrtSc, ScrLk, Pause and on later keyboards also Insert. There is a six-key nav cluster above the Backspace key, later keyboards with a 2u high Delete key. The Escape key is above the F1 key on the function-key row or beside F1 being two keys high. Unless a special compact variant, the keyboard has typically seven rows. The Enter key is IBM-blue on most keyboards, although both grey and black variants also exist. ThinkPad keyboards then dropped the Model M designation and adopted scissor switches, which were manufactured by a plethora of OEMs such as Lite-On, Alps, NMB, Acer, and possibly Chicony. The classic keyboards were originally known as the Models M6 and M6-1 and were produced by Lexmark and Key Tronic with IBM buckling rubber sleeve switches. As a consequence of the rebranding, the "Access IBM" button changed name to "ThinkVantage". Joint Lenovo–IBM branding was used on the T43 in 2006 (type 2669-6EG), and possibly other models, before the IBM branding was removed entirely. 2001: Browser Forward and Backward were added to the left and right of the Up-Arrow keys.Ģ005: Lenovo, previously an OEM for IBM, acquired IBM's ThinkPad division in May 2005 and released their first Lenovo-branded laptop in June of that year. ![]()
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