hp proprietary uP history (9825 uP?)

From: J. David Bryan <jdbryan_at_acm.org>
Date: Thu May 6 10:57:45 2004

On 2 May 2004 at 22:07, Christian Fandt wrote:

> Secondly, can the HP250/9825(45) uP connection be verified by any
> other source(s)?

The April 1979 issue of "Hewlett-Packard Journal" (published by HP) has an
article titled, "Cost-Effective Electronics for the Small-Business
Computer" that describes the HP 250 processor. It says, in part:

  "The heart of the system is a 16-bit NMOS processor manufactured by
   the HP NMOS facility at Loveland, Colorado. This is a hybrid chip
   set which is also used in other HP products, such as the desktop
   System 45."


> Thirdly, could anybody add more to the limited amount of technical
> info available on the HP250 machines?

That HPJ issue devoted seven articles (and the cover) to the HP 250.

                                      -- Dave
Received on Thu May 06 2004 - 10:57:45 BST

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