Friday, November 1, 2013

Vintage PDP8S - Bob Rosenbloom has his new (50 year old) Digital Equipment Corporation minicomputer operational

david larsen
Bob & David

Great news - Bob Rosenbloom successfully restores his PDP8S minicomputer to working condition. This is the minicomputer from the "Bugbook Historical Microcomputer Museum".  We visited Bob just last week in Santa Cruz , California and he had started the process of restoring the PDP8S. He first removed every card , cleaned the card and contacts, then checked every transistor and diode. He did find a few transistors and diodes bad. This sure saved a lot of diagnostic time. See the video below for Bob's description of the restoration and operating PDP8S.                                                                                                                     
       Bob tells in his own words the the retro work on his PDP8S minicomputer    Send Message CLICK

Video of PDP8S restoration and  operational computer 'CLICK'

David Larsen

Lyle Bickley, PDP8S restored by Bob, Bob Rosenbloom & David Larsen

Bob Rosenbloom
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Lyle Bickley & Bob Rosenbloom with Bob's analog
computer collection

Bob Rosenbloom Computers

Display area in Bob's computer corner - this is how he uses his airplane hanger. I don't know just where the airplane is but the computers are in here.

Bob Rosenbloom Computers

9 containers full of collectable computers and electronic memorabilia.

Bob Rosenbloom Computers

A look into one of the containers with many historical microcomputers.

 These are some big Redwood trees around Bob's home.

David Larsen KK4WW
David Larsen
The visit to see Bob's collection was really interesting. He has a great collection of very interesting historical computers and other electronic equipment. He also lives next to a private air strip he uses with his airplane. The Redwood trees around his property are very large compared to our Pine and Firs trees here in Virginia. He lives in an interesting area of the Santa Cruz Mountains and we enjoyed the rural experience.
 "by David Larsen"  KK4WW Computer Collector Historian   
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