Diablo Data Systems

Diablo Data Systems was a division of Xerox created by the acquisition of Diablo Systems Inc. for US$29 million in 1972,[1][2] a company that had been founded in 1969 by George E. Comstock, Charles L. Waggoner and others.

The company was best known for the HyType I and HyType II typewriter-based computer terminals, the Diablo 630 daisy wheel printers,[5] as well as removable hard disk drives that were used in the Xerox Alto computer and resold by DEC as the RK02 and RK03.

This model could connect directly to a remote machine using the Bell 103A, 113A, 202 and 212 standards, and supported a nominal 1200 baud transfer rate.

It used a microprocessor in combination with mechanical linkages to allow more advanced editing and data entry.

[11] In 1970 a team at Diablo Systems led by engineer Dr Andrew Gabor developed the first commercially successful daisy wheel printer, a device that was faster and more flexible than IBM's Selectric devices, being capable of 30 cps (characters per second), whereas the Selectric operated at 13.4 cps.