Difference between revisions of "Installing UNIX Sixth Edition on Ersatz-11"

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Installing Unix V6 on the [[Ersatz-11]] simulator can be a relatively simple process, depending on whether one simply wants to be able to say one has done it, or whether one wants a usable system.
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Installing [[Unix V6]] on the [[Ersatz-11]] simulator can be a relatively simple process, depending on whether one simply wants to be able to say one has done it, or whether one wants a usable system.
  
 
See the external links below for detailed instructions which cover a range from the simplest ('I did it') to the most complex.
 
See the external links below for detailed instructions which cover a range from the simplest ('I did it') to the most complex.
  
==Controlling LSI-11's==
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==Controlling actual PDP-11s==
  
To run an actual physical [[LSI-11]] from a simulated Unix V6 running under Ersatz-11, first see [[Running an LSI-11 from Unix V6]]; then include a line of the form:
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To run an actual physical [[PDP-11]] (e.g. an [[LSI-11]]) from a simulated Unix V6 running under Ersatz-11, first see [[Running an LSI-11 from Unix V6]]; then include a line of the form:
  
 
''assign tt1: com1: /mode:9600,n,8,2 /dtr:on /rts:on''
 
''assign tt1: com1: /mode:9600,n,8,2 /dtr:on /rts:on''
  
in the Ersatz-11 configuration file; the [[EIA RS-232 serial line interface|DTR and RTS]] can probably be dispensed with, and the speed and parity will have to be adjusted for the particular interface on the LSI-11, but the 8 bit size is key.
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in the Ersatz-11 configuration file; the [[EIA RS-232 serial line interface|DTR and RTS]] can probably be dispensed with, and the speed and parity will have to be adjusted for the particular interface on the PDP-11, but the 8 bit size is key.
  
One will want to cable the either the simulated PDP-11 or the actual LSI-11 as a [[EIA RS-232 serial line interface|DTE]] (DE-9S to DB-25P cables to do this from a simulated PDP-11 are easily available on eBay, etc); one can then cable either the LSI-11 or the simulated PDP-11 as a DCE, or use a [[null modem]] if either is also wired as a DTE.
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One will want to cable the simulated PDP-11 as a [[EIA RS-232 serial line interface|DTE]] (DE-9S to DB-25P cables to do this are easily available on eBay, etc); one can then cable the actual PDP-11 as a DCE, or use a [[null modem]] if it is also wired as a DTE.
  
 
==See also==
 
==See also==
  
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* [[UNIX V6 internals]]
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* [[Unix V6 kernel memory layout]]
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** [[Unix V6 dump analysis]]
 
* [[Installing UNIX Sixth Edition]]
 
* [[Installing UNIX Sixth Edition]]
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** [[Setting up UNIX Sixth Edition]]
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** [[Upgrading UNIX Sixth Edition]]
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** [[Running UNIX V6 on an -11/23]]
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* [[Installing Unix v6 (PDP-11) on SIMH]]
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** [[Running Unix v6 in SIMH]]
  
 
==External links==
 
==External links==
  
*[http://www.chiappa.net/~jnc/tech/V6Unix.html Bringing up V6 Unix on the Ersatz-11 PDP-11 Emulator]
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* [http://www.chiappa.net/~jnc/tech/V6Unix.html Bringing up V6 Unix on the Ersatz-11 PDP-11 Emulator]
*[http://www.chiappa.net/~jnc/tech/ImprovingV6.html Improving V6 Unix]
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* [http://www.chiappa.net/~jnc/tech/ImprovingV6.html Improving V6 Unix]
  
{{PDP-11}}
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{{Nav Unix}}
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[[Category: UNIX Practical Guides]]

Latest revision as of 02:45, 3 March 2019

Installing Unix V6 on the Ersatz-11 simulator can be a relatively simple process, depending on whether one simply wants to be able to say one has done it, or whether one wants a usable system.

See the external links below for detailed instructions which cover a range from the simplest ('I did it') to the most complex.

Controlling actual PDP-11s

To run an actual physical PDP-11 (e.g. an LSI-11) from a simulated Unix V6 running under Ersatz-11, first see Running an LSI-11 from Unix V6; then include a line of the form:

assign tt1: com1: /mode:9600,n,8,2 /dtr:on /rts:on

in the Ersatz-11 configuration file; the DTR and RTS can probably be dispensed with, and the speed and parity will have to be adjusted for the particular interface on the PDP-11, but the 8 bit size is key.

One will want to cable the simulated PDP-11 as a DTE (DE-9S to DB-25P cables to do this are easily available on eBay, etc); one can then cable the actual PDP-11 as a DCE, or use a null modem if it is also wired as a DTE.

See also

External links