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PDP-11/40 Computer and ASR-33 Teletype

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Uploaded by on Jan 17, 2008

Here is a video taken in 2007 of a live DEC (Digital Equipment Corporation) PDP-11/40 Computer system running a 1979 V7 version of the RSTS/E Operating System. An ASR-33 teletype is connected to this PDP-11/40 via a 20mA current loop connection using the DZ11 M7814 multiplexer.

Watch the ASR-33 teletype run the SYSTAT program as it clanks out the system status!

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  • click*KA-CHUNK* click*KA-CHUNK* chuckachuckachuckachucka*DING!­*chuckachucka :D :D

    Sh*t is so cash. Awesome tty. I drool.

  • Wonderfull!! I remeber learning BASIC on the T33 ASR. I loved it becuase of the warm oil, it smelled of steam engines, my other passion. Aromatherapy for men!

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All Comments (27)

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  • perfect retro steam punk printer

  • I built 11/40's for DEC in 1973 @ Westminster MA. 11/45's were much faster and a better overall design. 45 was the basis for the 55, 70, and 11/74

  • A local company donated an ASR33 connected to an 11/40 to my high school in 1972. This video and seeing the output and hearing the rhythm and the bell has sent (good) shivers up my spine.

  • ls -R /

  • CR and LF are more fun like this!

  • One of the first 'real' computers I encountered was a PDP11/40. I was sent in the catacombs of the building to reboot it. Didn't know what to do... I learnt and loved the 'hands on' feeling of using a teletype!

  • funny to watch after so long. Still remember my old PPN and password. Think the PDP 11/70 I was connecting to via acoustic coupler was running RSTS V07C or something like that :) A real trip down memory lane. Thanks!

  • don't you just love the times when machines and computers actually made noise and had moving parts? : D

  • Does that machine have an air-cooled processor?

  • This would be awesome to play a simulated text adventure style mud war game on. Soveit troops advance in the east. STOP. Bombers sighted crossing Ural moutains. STOP. Estimated strength 30 aircraft 20 fighter escort. STOP. General Murphy requesting to advance in south east to execute Strategic plan 32B. STOP. Awaiting command >

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