IBM TrackPoint II Keyboard (Black)

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The IBM Enhanced Keyboard with TrackPoint II (or simply IBM TrackPoint II Keyboard) was a variant of the IBM Enhanced Keyboard with an integrated TrackPoint II pointing stick. Also branded as the Lexmark Classic Touch Keyboard with Pointing Stick, the Model M13 is perhaps the most famous standard Model M variant with the most useful integrated pointing device. Production for the Model M13 was largely handled by Maxi Switch for both the standard beige and the more infamous black versions, with Lexmark only making some beige ones and all of the rarer Erase-Eaze split-spacebar version. Model M13s had several distinctive features, including noticeably stronger chassis case texturing, PS/2 pass-through port for mice on the back, and the use of pad-printed legends for the black variant due to the contrast limitations of dye-sublimation.