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biac:experimentalcontrol:biac5hardware

Hardware device connections at BIAC-5 3T (MR750) scanner

BIAC5 3T -- Darwin computer

Darwin is our primary stimulus presentation computer. It is usually connected to the monitor on the left.
Darwin has the following peripheral hardware connected:

  • Keyboard, video, and mouse connected to KVM video switch (CPU 1)
  • Second monitor video output connected to KVM switch (CPU 2)
  • Stereo sound output to audio switch boxes (CPU1 - switch 1)
  • NeuroScan 4-button response box via E-Prime SRbox (COM1: 19200 baud, 8 bits, no parity)
  • GE scanner cardiac/respiratory cable (COM4)
  • Serial cable to Kulpe computer (COM3: 56K baud, 8 bits)
  • Serial cable to KVM video switch (COM2)
  • Current Design 8-button serial response device (USB keyboard device, default mode)
    • button box mode: “HHSC-2×4-C” response box
    • button mode : “HID NAR 12345” (003)
      • must check this mode if power is cycled to the interface
  • MagConcepts Joystick (USB Gaming device)
  • Measurement Computing Analog/Digital data acquisition device (USB-1208FS, dev=0, 8 a/d chans)
    • to reset AD device disconnect USB cable.
  • E-Prime dongle connected to USB port
  • Scanner trigger cable connected via SRbox (code=16), and MeasComp analog (ch 5) and digital (B0)
  • Scanner trigger is also connected to the MCC counter pin (CTR), this would show up as a number increase NOT a positive pulse
  • Biopac belt respiratory signal connected as MeasComp analog input (ch 0, w/ 1Kohm resistor), biopac analog ch4
  • Biopac cardiac signal connected as MeasComp analog input (pulse ch3, OxSat ch4), biopac analog ( o2 ch3, pulse wave ch7, pulse rate ch11)
  • BioPac GSR signal connected as MeasComp analog input (ch 1)
  • BioPac EGG signal connected as MeasComp analog input (ch 2)
  • Measurement Computing Box, DigPort-A0 Output to Analog Ch6 In, to BioPac Analog 8 input
  • Measurement Computing Box, DigPort-A1 Output to Analog Ch7 In

BIAC5 3T -- Kulpe computer

Kulpe is our accesory computer. It is usually connected to the monitor on the right.
Kulpe has the following peripheral hardware connected:

  • Keyboard, video, and mouse connected to KVM video switch (CPU 3)
  • BioPac communication (RJ45) cable
  • Serial cable to Darwin computer (COM1)

BIAC5 3T -- Other devices

  • DVD player, video output connected to KVM switch (CPU 5)
  • DVD player, sound connected to Audio switch (DVD - switch 3)
  • Stereo sound jack for I-pod, MP3, etc connected to Audio switch (Aux - switch 4)

Video Switch Connections

Source Devices

  • CPU1 = Primary Display Computer (Darwin), primary video output
  • CPU2 = Primary Display Computer (Darwin), secondary video output
  • CPU3 = Secondary/Eyetracker Computer (Kulpe)
  • CPU4 = Not connected
  • CPU5 = DVD player
  • CPU6 = Not connected
  • CPU7 = Not connected
  • CPU8 = Not connected

Output Devices

  • OUT1 = Left Monitor (faulty port)
  • OUT2 = Middle Monitor
  • OUT3 = Right Monitor
  • OUT4 = Projector
  • OUT5 = Not connected
  • OUT6 = Not connected
  • OUT7 = Not connected
  • OUT8 = Left Monitor

Default Configuration "Stimulus to Subject"

Note: If you double-click the “Reset Video Switch” icon on the desktop, you will get the following configuration:

Source Output Labels
Darwin 1Left MonitorCPU1 → OUT1
Darwin 2Middle MonitorCPU2 → OUT2
Kulpe Right Monitor CPU3 → OUT3
Darwin 1Projector CPU1 → OUT4
DVD No device CPU5 → OUT5
Darwin 1No device CPU1 → OUT6
Darwin 1No device CPU1 → OUT7
Darwin 1Left Monitor CPU1 → OUT8

MCC digital channel to BIOPAC digital channel mapping

MCC BIOPAC
DA0 “Trig”
DA1 D9
DA2 D10
DA3 D11
DA4 D12
DA5 D13
DA6 D14
DA7 D15

See also

biac/experimentalcontrol/biac5hardware.txt · Last modified: 2016/09/07 13:22 by cmp12