Ed Sharpe CEO of Computer Exchange Inc.
(The computer was younger and so was Ed!)            

(Click image for larger view)

 View of the Computer Exchange HP 2000
 Systems. The system in the foreground is the Maricopa Community College District 2000F System (purchased surplus by Computer Exchange Inc. of Phoenix Arizona) which consisted of a double cabinet and a 20 meg. 2883 disc drive. Note that a second drive had been added and also a third cabinet which housed the Vadic Modems and operational spare processor in case of a failure in the main system. At the time of this photograph the 2000F operating system had been upgraded to 2000 Access.

The system in the background was used for hardware testing, development of I/O boards, testing software patches for the 2000 Access production system and generally anything else you wanted to do but not jeopardize the operation of the production system.

The 2000A was the first HP 2000 time share system on the market ca. 1969

Mesa Community College
Academic Computing 1974-1978.

Recollections of the timesharing 
era from a former student, Kim Martinson.
The MCCCD 2000F is mentioned.

Odd HP 2100 Processor in desk top mount.
 Notice the odd front bezel on the front panel.
(click to make picture larger)

Beware this is a 137 page  PDF file and is over 5 megs... slow over a dialup line!