IBM ThinkPad 701

IBM ThinkPad 701

Also known as	Butterfly
Developer	Richard Sapper John Karidis Sam Lucente
Manufacturer	IBM Sharp Corporation[a]
Product family	ThinkPad
Type	Subnotebook
Release date	March 6, 1995 (1995-03-06)[b]
Introductory price	$1,499 - $3,299
Discontinued	December 21, 1995 (1995-12-21)
Operating system	Windows 3.11[c]
CPU	i486 (DX2 or DX4) by Intel, 25–75 MHz
Memory	4–40 MB
Storage	360-720 MB
Display	640 x 480, DSTN or TFT LCD
Graphics	Chips and Technologies CT-65545
Sound	ESS 688, Yamaha OPL3
Power	30 Watts
Dimensions	9.7 × 7.9 × 1.7″
Mass	4.96 lb (2.25 kg)
Predecessor	IBM ThinkPad 500
Successor	IBM ThinkPad 760
Website	pc.ibm.com at the Wayback Machine (archived December 19, 1996)

The IBM ThinkPad 701 is a subnotebook in the ThinkPad line by IBM. The 701 is colloquially known as the Butterfly due to its sliding keyboard, which was designed by John Karidis. It was developed from 1993 and sold from March 1995 until later that year and priced between $1,499 and $3,299. The 701 was the most sold laptop in 1995 and has received 27 design awards. It was based on either the DX2 or the DX4 version of the Intel i486, combined with the CT-65545 graphics chip. The 701Cs version used a DSTN display, while the 701C used a TFT LCD. It was pre-installed with Windows 3.11 and for the DX4 models also with OS/2 Warp 3.0. The 701 was discontinued because the keyboard design was no longer a necessity after screen sizes increased. After its discontinuation there has been some speculation about a new notebook with a butterfly style keyboard.

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