My PiDP-11 back panel and serial ports

[Erik Bruchez]

I used the internal serial port as well as one USB-to-serial adapter. I installed two MAX-232 "just in case". I set up two male DE-9 ports on the back. I contemplated using a more period-accurate DEC pinout, but then settled for the standard PC pinout. This requires a null-modem adapter or cable to connect to a real terminal.

I also used the opportunity to wire the key button and cut the two traces on the main PCB.

-Erik

[minc...@gmail.com]

That’s similar to mine, except I soldered headers to the board and used cables with female DuPont connectors on the end so I could disconnect and move things about.

[Erik Bruchez]

except I soldered headers to the board and used cables with female DuPont connectors on the end so I could disconnect and move things about.

That sounds like a good idea!

-Erik 

[minc...@gmail.com]

Here you go — I also have the power, a USB port and HDMI broken out onto the back panel.  The HDMI uses a right-angle flat cable to fit inside the case.

I haven't done anything with the power key yet — I'm not sure of the best way to use it!

  - Bob

[terry-...@glaver.org]

Here's mine. This is from almost 5 years ago, so hopefully people will forgive the repost...

[Erik Bruchez]

Clean wiring, I like it!

On Tue, Nov 14, 2023 at 6:45 PM terry-...@glaver.org <terry-...@glaver.org> wrote:

Here's mine. This is from almost 5 years ago, so hopefully people will forgive the repost...

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[terry-...@glaver.org]

On Friday, November 17, 2023 at 10:25:16 AM UTC-5 Erik Bruchez wrote:

Clean wiring, I like it!

Thanks! A close-up of the USB-serial and MAX232 area appears (with permission) on the "Hacks" section of Oscar's web page.