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This is list of my IO-boards and computer hardware and how it is connected:

Computer set-up

Currently I run a setup with 5 computers:

Lian Li PC-V1100AMain PC

This is the main computer, that (almost) only runs FSX. This way other programs is running on other computers and not using resources so as much as possible can be allocated to FSX. Only a few other programs running on this computer: Real Enviroment (Weather), FsRaas (I can’t get it to work via WideFS) and ProSim Audio.

On this computer I use ProsimAudio to play the sounds from the APU and hydraulic pumps.


  • Intel i7 2700K  CPU (No OC at this time / Yet)
  • AsRock Z77 Pro4 motherboard
  • 8Gb GeiL Evo Corsa 1833 RAM
  • Gigabyte GFX 660 2GB/OC Grapich card
  • Samsung 840-series 128Gb SSD Hard drive
  • WD 1gb SATA-drive Hard drive
  • XFX Core Edition PRO 550W PSU
  • CoolerMaster 212 Evo CPU cooler
  • Windows 7 64bit ultimate DK
  • 5.1 speaker-system
  • One projector – ceeling mount

All the rest of my computers are old HP office desktop models that I have gotten for free. They perform different tasks:

hp-dc7900-desktop-computer-sff-3.00ghz-2gb-160gb-dvd-1358-p(2) Prosim Server

When I use the word “server” it is an exaggeration. But this computer handles many background-tasks and tie everything together. This computer runs most of the external programs that connect with FSX:

  • Prosim server
  • Prosim ADFS addon
  • Webbrowser (Prosim service-module and webbrowsing)
  • vPilot
  • G-Plan / VatSpy

The computer monitor is located on the sidewall right outside the side window of the cockpit.

hp-dc7900-desktop-computer-sff-3.00ghz-2gb-160gb-dvd-1358-p(3) SIOC, CDU, MCP computer

Due to the psychical location of my computers (Behind the cockpit) I need on computer up front to be directly connected to the autopilot-unit (Open Cockpits). All other OpenCockpit cards also connects to this computer behind the MIP.

It handles:

  • SIOC with all Open Cockpits interface cards
  • Displays the FMC screen.


(4) PFD/ND

This computers main task is to display the Primary Flight Display and Navigational Display. This is done via ProsimDispaly. Further more it runs ProsimAudio from which it plays all cockpit-sounds like callouts and fans.

The signal for the screens is connected via a “splitter” to the same picture is shown on both the captains side and the first officer side.

ProsimAudio is a program that handles cockpit-sounds (like GPWS sounds, autopilot-sounds etc). This setup (on a second PC) makes it possible to only have aircraft/engine sounds on the 5.1-speakers and then have cockpit callouts on a different set of speakers.


The fifth computer only runs ProsimDisplays and its only task is to display the engine instrument.

The GFXcard has two exits: I use a DVI-splitter to get the same picture on two screens (Captain + first officer side).

Interface cards

I use a mix of OpenCockpits cards and Pokeys.

MIP and pedestal uses the following OC-cards:

  • Plug’n’play OpenCockpits MCP / Autopilot
  • 1 USB Keys card (For the FMC)
  • 1 x USB expansion card
  • 3 x mastercards
  • 3 x DisplayCards
  • 1 x USB servo-cards

The overhead panel is interfaced via:

  • 1 x USB expansion card
  • 3 x mastercards
  • 2 x DisplayCards (I might install an extra)

Furthermore it borrows a few LED outputs and servo-slots from the MIP.

I also have a Pokeys 56U laying around. I plan to use this in my throttle at some point.


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About BuildaBoeing

My name is Peter and I live in Denmark.
I am building the cockpit of a Boeing 737 in my basement using my limited skills and inspiration from fellow builders.
I post my progress on this blog and hope it can be an inspiration to others.

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