[Simh] What OS was this {HP2100}

[J. David Bryan]

On Saturday, November 5, 2011 at 14:02, Gregg Levine wrote:

> Now how old is this particular system?

Here's an excellent timeline for HP 21xx/1000 systems:

  http://www.bitsavers.org/pdf/hp/21xx/poyner1.htm

                                      -- Dave