Diablo Data Systems was a division of Xerox created by the acquisition of Diablo Systems Inc. for US $ 29 million in 1972,  a company which had been founded in 1969 by George E. Comstock, Charles L. Wagoner and others.  
The company was best known for the HyType I, HyType II, and Diablo 630 daisywheel printers, but also produced the hard disk drives that were resold by DEC as the RK02 and RK03 . Lead engineers Jonny Skolnick and Eli Fenyes headed operations at the division.
- Jump up^ Xerox Factbook 2003-2004, p.43
- Jump up^ “CI News: Play it again, George?” . Computerworld . Computerworld, Inc. XI (47): 64. 1977-11-21 . Retrieved 2017-06-13 .
- Jump up^ Schultz, Brad (1978-10-02). “Business Mini Weighs 65 Pound – What is Durango?” . Computerworld . CW Communications, Inc. XII (40): 1, 4 . Retrieved 2017-06-13 .