The news is making some Thinkpad enthusiasts nostalgic for the discontinued model.

Early computer users, who were always on the go, appreciated the keyboard’s compact size.

I owned this model, and the butterfly keyboard was an immensely satisfying piece of machinery.

IBM ThinkPad 701C with folding butterfly keyboard.

Wikipedia / Raymangold22

The keyboard splits into two triangular pieces that slide as the laptop’s lid is opened or closed.

Unfortunately, the 701 series was short-lived.

Even after the 701’s demise, IBM reportedly experimented with new laptops with a butterfly keyboard.

A patent drawing for a Lenovo folding keyboard.

US Patent Office

And In 2021, Lenovo filed a patentfor a keyboardthat looks much like the one used in the 701.

He used a Framework Mainboard manufactured by the same company that makes the modular, repairableFramework Laptop.

I posted about that here:10.2" iPad 7 display on the internal eDP connector."

The IMB ThinkPad 701 with accessories.

Wikipedia / Ged Carroll

Getting the keyboard and TrackPoint to work took even more ingenuity.

Wikipedia / Ged Carroll

A Future for the Butterfly?

“It also provided a more comfortable typing experience as the keyboard was full-sized and ergonomically designed.

The folding movement also made it easier to access ports and cables.