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The PS/2 mouse connector generally replaced the older DE-9 RS-232 "serial mouse" connector, while the PS/2 keyboard connector replaced the larger 5-pin/180° DIN connector used in the IBM PC/AT design. The PS/2 keyboard port is electrically and logically identical to the IBM AT keyboard port, differing only in the type of electrical connector used.
ThinkPad is a line of business-oriented laptop and tablet computers produced since 1992. The early models were designed, developed and marketed by International Business Machines (IBM) until it sold its PC business to Lenovo in 2005; since 2007, all new ThinkPad models have been branded Lenovo instead [5] and the Chinese manufacturer has continued to develop and sell ThinkPads to the present day.
While designed and manufactured by Lenovo, the T60 and the T60p still featured the IBM logo on the machines. [ 7 ] The T60 and T60p can be initially ordered with 2 case options (the 14" 4:3 and 15" 4:3 models); the latest lineup includes an additional 15" 16:10 model with another motherboard layout (the motherboard of 4:3 models was compatible ...
IBM sold a mouse with a pointing stick in the location where a scroll wheel is common now. A pointing stick on a mid-1990s-era Toshiba laptop. The two buttons below the keyboard act as a computer mouse: the top button is used for left-clicking while the bottom button is used for right-clicking.
The ThinkPad T series is a line of notebook computers manufactured by Lenovo as part of the ThinkPad family. The T series is officially the flagship ThinkPad product, offering high-performance computers aimed at businesses and professionals. [1] The ThinkPad X series was originally introduced in 2000 and was produced by IBM until 2005.
The ThinkPad E Series (formerly ThinkPad Edge) is a notebook computer series produced since 2010 by Lenovo. It is the most affordable sibling in the ThinkPad family [ 1 ] and is aimed at small business users [ 2 ] as well as education markets.