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D > DIGITAL EQUIPMENT CORPORATION > PDP-8


 

This mini forum is intended to provide a simple means of discussion about the Digital Equipment Corporation PDP-8 computer. If you want to share your own experience or memories, or add relevant information about this system: post a message! For other purposes like sales messages, hardware & software questions or information requests, please use our main forum.

  Click Here to add a message in the forum

 

Friday 26th December 2014
Chuck Rose (Vermont, USA)

The first two of the first three machines I ever worked on were PDP-8''s. A PDP-8A in my high school freshman year in a computer math class and a PDP-8E in my junior and senior years in a computer science/data processing vocational program. They were incredible machines for their time. The one in the vocational program had 2 removable rk05e''s and an rk05f hard drives attached and had 15 terminals attached that could all be used at the same time! It did this with only 32k word memory (appx 48k bytes)! It used an operating system called ''ETOS'' which used the rk05f (5MB fixed version) for virtual memory, one of the rk05e''s for the OS and languages (BASIC, DIBOL, COBOL, and Fortran IV) and the other rk05e for data files.


Tuesday 18th February 2014
Douglas W. Jones (Iowa City, Iowa, USA)
Douglas W. Jones

I am currently leading a group of students in an attempt to restore PDP-8 serial number 85 to operating condition. Our restoration project log is on the web at:
$ http://www.cs.uiowa.edu/~jones/pdp8/UI-8/
We''re posting photos of our work $ currently the focus is on reforming the capacitors in the power supply so we can turn it on. That will take a while, since we had to disassemble quite a bit just to get to some of them.


Tuesday 12th February 2013
Bob (USA)

I had the privilege of debugging PDP 8S serial no. 2 in the factory at Maynard in the Traditional products dept. in 1970. It had come to the factory to be rebuilt after being struck by lightning in some place in the Midwest.
It took me almost two months to repair and get it working again. I almost couldn''t believe It was working again after finding so many blown out transistors and other burnt components.


Tuesday 12th February 2013
Bob (USA)

I had the privilege of debugging PDP 8S serial no. 2 in the factory at Maynard in the Traditional products dept. in 1970. It had come to the factory to be rebuilt after being struck by lightning in some place in the Midwest.
It took me almost two months to repair and get it working again. I almost couldn''t believe It was working again after finding so many blown out transistors and other burnt components.


Saturday 24th September 2011
Chuck Rose (Vermont, USA)

Alex, perhaps you should also get your own facts straight. Unix was first written for the Digital PDP 7.... Not the 8 nor the 11. A quick look at any of the many Unix histories available online will confirm this.


Tuesday 12th April 2011
alex

Unix? Get your facts straight. It first ran on PDP-11.


Friday 1st October 2010
CitizenPete (Ohio)

@ A$exeo : Unix? Unix? Unix? are you kidding me?

Ken Olsen would never allow any stinking penguin near any of his machines.

RMS 4ever!

LMAO


Sunday 14th October 2007
Chris (Home PC)

I have a friend who's dad OWNS two PDP-8s (plus three PDP-11s).

I'm actually going to be getting one of the 8s and one of the 11s from her.

Long live the PDP!


Wednesday 3rd May 2006
A;exeo (Seattle (USA))

Well, here it is. First to run UNIX! 12-bit for life. :D





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