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In 1992, IBM announced a new series of notebook computers — the ThinkPad.
Featuring a distinctive black case and a TrackPoint pointing device in the middle of the keyboard, the ThinkPad won more than 300 awards for design and quality.
The name comes from the small flip open notebook carried by IBM customer engineers to jot down reminders. The pads had "IBM" embossed in gold letters on one side and "THINK" on the other, and were known as "Think Pads" by the engineers.
This is an early example of a ThinkPad, a model 720. The machine is powered by a 50MHz 486 SLC CPU, can support up to 16MB RAM and a 120MB hard disk.
The display is a 9.54-inch LCD screen with a 640x480 resolution.
The first of the IBM Aptiva PC family was announced in September 1994 as a replacement for the PS/1 line. It was sold until May 2001, when IBM pulled out of the home computing market.
Initially PCs in the Aptiva brand were powered by Intel 486 processors, while later models had more powerful Intel Pentium and AMD CPUs.
Like the PS/1 family Aptiva PCs were sold as bundles that included the monitor, keyboard, mouse and speakers, as well as an installed operating system. During the lifetime of the family that OS changed from PC DOS/Windows 3.1 to the OS/2 Warp.
The Aptiva shown here is a Machine Type 2138 Model E82.
The design of the ThinkPad 701 allowed it to pack an 11.5-inch keyboard into a 9.7-inch notebook.
When the lid of the machine, released in 1995, is opened up the full-size keyboard unfolds and slides into place.
As later ThinkPads featured larger screens the need for a fold-out keyboard was eliminated and the 701 was the only ThinkPad to use this "Butterfly" keyboard.
The 701 is powered by a 486DX4/75 processor and weighs only 4.5 pounds.
The "Butterfly" keyboard won plaudits for its design and was put on display at the Museum of Modern Art in New York.