# Hardware **URL:** https://psychtoolbox.discourse.group/c/for-questions-relating-to-hardware-used-with-ptb/9.md?page=1 [Latest](https://psychtoolbox.discourse.group/latest.md) · [Categories](https://psychtoolbox.discourse.group/categories.md) · [Tags](https://psychtoolbox.discourse.group/tags.md) **Page:** 2 --- ## [High bit-depth on a laptop](https://psychtoolbox.discourse.group/t/high-bit-depth-on-a-laptop/5525)
**Author:** [@christopher.shooner](https://psychtoolbox.discourse.group/u/christopher.shooner)\ **Replies:** 1\ **Last updated:** [October 24, 2024, 12:26am UTC](https://psychtoolbox.discourse.group/t/high-bit-depth-on-a-laptop/5525 "2024-10-24T00:26:11Z")
In the market for a laptop on which PTB can run at high bit depth (10+) needed for color contrast threshold measurements. Has anyone had success with this and can point me to a certain model that has been tested? --- ## [10-bit setup from scratch](https://psychtoolbox.discourse.group/t/10-bit-setup-from-scratch/5527)
**Author:** [@arenart](https://psychtoolbox.discourse.group/u/arenart)\ **Replies:** 1\ **Last updated:** [October 24, 2024, 12:24am UTC](https://psychtoolbox.discourse.group/t/10-bit-setup-from-scratch/5527 "2024-10-24T00:24:32Z")
Hi. I realize that there’s quite a few 10-bit posts already but browsing through them they seem either old or asking about specific components. Apologies if this is somewhat redundant, happy to be re-directed to existin… --- ## [Sync issues with NVIDIA GeForce RTX 3060 dual-display setup](https://psychtoolbox.discourse.group/t/sync-issues-with-nvidia-geforce-rtx-3060-dual-display-setup/5518)
**Author:** [@tobiasfw](https://psychtoolbox.discourse.group/u/tobiasfw)\ **Replies:** 3\ **Last updated:** [October 15, 2024, 1:58pm UTC](https://psychtoolbox.discourse.group/t/sync-issues-with-nvidia-geforce-rtx-3060-dual-display-setup/5518 "2024-10-15T13:58:51Z")
Hello, Using PsychToolbox, the line Screen('OpenWindow', win.screenNumber, \[0 0 0\],\[\],\[\],\[\],\[\]); caused this error: WARNING: Couldn't compute a reliable estimate of monitor refresh interval! Trouble with VBL syncing?… --- ## [PTB thinks I have hybrid graphics on Ubuntu 24.04.1-LTS](https://psychtoolbox.discourse.group/t/ptb-thinks-i-have-hybrid-graphics-on-ubuntu-24-04-1-lts/5498)
**Author:** [@AndrewMcC](https://psychtoolbox.discourse.group/u/AndrewMcC)\ **Replies:** 3\ **Last updated:** [September 23, 2024, 7:01pm UTC](https://psychtoolbox.discourse.group/t/ptb-thinks-i-have-hybrid-graphics-on-ubuntu-24-04-1-lts/5498 "2024-09-23T19:01:00Z")
I’m trying to get my system off the ground with PTB. It’s a ubuntu 24.04.1 LTS desktop, with an AMD GPU (only default linux drivers as per documentation here) - Gigabyte 7900 GRE. I’ve been having trouble with every flip… --- ## [Timing with AMD Advantage](https://psychtoolbox.discourse.group/t/timing-with-amd-advantage/5493)
**Author:** [@opn](https://psychtoolbox.discourse.group/u/opn)\ **Replies:** 1\ **Last updated:** [September 18, 2024, 5:15pm UTC](https://psychtoolbox.discourse.group/t/timing-with-amd-advantage/5493 "2024-09-18T17:15:43Z")
Hi! Has anyone tested the quality of the timing for visual stimulus presentation with an AMD advantage system with Ubuntu (or Windows)? It would be great to hear about the results as we are considering to buy the follo… --- ## [PsychToolBox 3.0.19.14 install issues Apple Silicon MacBook](https://psychtoolbox.discourse.group/t/psychtoolbox-3-0-19-14-install-issues-apple-silicon-macbook/5496)
**Author:** [@tobiasfw](https://psychtoolbox.discourse.group/u/tobiasfw)\ **Replies:** 1\ **Last updated:** [September 18, 2024, 5:07pm UTC](https://psychtoolbox.discourse.group/t/psychtoolbox-3-0-19-14-install-issues-apple-silicon-macbook/5496 "2024-09-18T17:07:28Z")
Hello, I have always used PsychToolbox on a Windows machine. Due to reasons, I have to run it in my MacBook now. I downloaded the version 3.0.19.14 from Releases · Psychtoolbox-3/Psychtoolbox-3 · GitHub to my MacBook an… --- ## [Problem running Psychtoolbox on Ubuntu 22.04](https://psychtoolbox.discourse.group/t/problem-running-psychtoolbox-on-ubuntu-22-04/5433)
**Author:** [@lorenadesdentado](https://psychtoolbox.discourse.group/u/lorenadesdentado)\ **Replies:** 4\ **Last updated:** [August 6, 2024, 12:56pm UTC](https://psychtoolbox.discourse.group/t/problem-running-psychtoolbox-on-ubuntu-22-04/5433 "2024-08-06T12:56:09Z")
Hi We are trying to run the Psychtoolbox SimpleMovieDemo (PTB version 3.0.19 - Flavor: Debian package) in Ubuntu. To open psychtoolbox in Matlab, we use the ptb3-matlab command in the ubuntu Terminal. Originally, when … --- ## [No Detection of Key Presses on the Keyboard](https://psychtoolbox.discourse.group/t/no-detection-of-key-presses-on-the-keyboard/5431)
**Author:** [@sud8233](https://psychtoolbox.discourse.group/u/sud8233)\ **Replies:** 3\ **Last updated:** [July 17, 2024, 5:51pm UTC](https://psychtoolbox.discourse.group/t/no-detection-of-key-presses-on-the-keyboard/5431 "2024-07-17T17:51:03Z")
Hi, Software Environment: Matlab: R2022a Psychophysics Toolbox: 3.0.19.13 I am using KbQueueCreate and other associated functions. I have also used KbQueueRelease function before creating any instance of KbQueueCreat… --- ## [Intel Graphics card error on Windows with Psychtoolbox?](https://psychtoolbox.discourse.group/t/intel-graphics-card-error-on-windows-with-psychtoolbox/5404)
**Author:** [@esi](https://psychtoolbox.discourse.group/u/esi)\ **Replies:** 1\ **Last updated:** [June 28, 2024, 5:37pm UTC](https://psychtoolbox.discourse.group/t/intel-graphics-card-error-on-windows-with-psychtoolbox/5404 "2024-06-28T17:37:03Z")
We are building a study in Matlab that uses Psychtoolbox and interfaces to an Eyelink 1000 eye tracking system. When we run our study, we get the following PTB error: PTB-ERROR: Screen(‘Flip’); beamposition timestamping… --- ## [What GPUs don't dither?](https://psychtoolbox.discourse.group/t/what-gpus-dont-dither/5381)
**Author:** [@Jordan](https://psychtoolbox.discourse.group/u/Jordan)\ **Replies:** 2\ **Last updated:** [June 18, 2024, 3:00am UTC](https://psychtoolbox.discourse.group/t/what-gpus-dont-dither/5381 "2024-06-18T03:00:11Z")
So I am wondering what GPU/kernel version do not dither in Linux? I currently have the following GPUs to choose from. Radeon Rx 6600xt Radeon w3200 Radeon w5500 Rtx 4070ti Rtx 2080 super Quadro rtx 4000 / 5000 Rt… --- ## [Current graphics card recommendations](https://psychtoolbox.discourse.group/t/current-graphics-card-recommendations/5097)
**Author:** [@mattsmith](https://psychtoolbox.discourse.group/u/mattsmith)\ **Replies:** 21\ **Last updated:** [June 13, 2024, 7:04pm UTC](https://psychtoolbox.discourse.group/t/current-graphics-card-recommendations/5097 "2024-06-13T19:04:23Z")
Could anyone post current graphics card recommendations they have for Ubuntu PTB computers? For some time I was buying a Polaris-class WX3200, which worked very well and was recommended. It’s not easily possible to buy t… --- ## [Synchronization failure due to use of deficient Intel graphics on MS-Windows](https://psychtoolbox.discourse.group/t/synchronization-failure-due-to-use-of-deficient-intel-graphics-on-ms-windows/5067)
**Author:** [@Keren](https://psychtoolbox.discourse.group/u/Keren)\ **Replies:** 9\ **Last updated:** [June 10, 2024, 3:33pm UTC](https://psychtoolbox.discourse.group/t/synchronization-failure-due-to-use-of-deficient-intel-graphics-on-ms-windows/5067 "2024-06-10T15:33:29Z")
Hello everyone. Thank you very much for your help. I’m conducting research using Psychtoolbox in fMRI, and I’m facing synchronization issues with critical timing concerns. During the study, the code runs on a computer co… --- ## [Psychtoolbox on MacOs 14.5 Sonoma, matlab 2024a](https://psychtoolbox.discourse.group/t/psychtoolbox-on-macos-14-5-sonoma-matlab-2024a/5372)
**Author:** [@MTM2024](https://psychtoolbox.discourse.group/u/MTM2024)\ **Replies:** 3\ **Last updated:** [June 6, 2024, 3:55pm UTC](https://psychtoolbox.discourse.group/t/psychtoolbox-on-macos-14-5-sonoma-matlab-2024a/5372 "2024-06-06T15:55:36Z")
Hi, I just tried to setup Psychtoolbox on matlab 2024a on a MacOS 14.5, Sonoma system. But I got this error: “Removing the quarantine flag from our mex files to workaround macOS brokeness failed! Error was: zsh:1: no ma… --- ## [Using two Soundcards in Parallel (11 Channels needed)](https://psychtoolbox.discourse.group/t/using-two-soundcards-in-parallel-11-channels-needed/5341)
**Author:** [@Annaelisa7](https://psychtoolbox.discourse.group/u/Annaelisa7)\ **Replies:** 2\ **Last updated:** [May 21, 2024, 8:22am UTC](https://psychtoolbox.discourse.group/t/using-two-soundcards-in-parallel-11-channels-needed/5341 "2024-05-21T08:22:32Z")
Hello everybody, Is there a way to use two soundcards at the same time using psychportaudio on Windows? For a study we would like to play back mono sound from 11 separate speakers and we would need very low latency. Th… --- ## [Does Psychtoolbox work under Mac M3 chip?](https://psychtoolbox.discourse.group/t/does-psychtoolbox-work-under-mac-m3-chip/5210)
**Author:** [@minjaejo](https://psychtoolbox.discourse.group/u/minjaejo)\ **Replies:** 3\ **Last updated:** [May 13, 2024, 4:45pm UTC](https://psychtoolbox.discourse.group/t/does-psychtoolbox-work-under-mac-m3-chip/5210 "2024-05-13T16:45:51Z")
Hi all. I was wondering, if PTB works under mac m3 chip or not. I would like some opinions from who actually tried installing PTB under m3 chip or from the developers. Appreciated for reading. --- ## [PTB thinks USB sound card doesn't support 44100Hz](https://psychtoolbox.discourse.group/t/ptb-thinks-usb-sound-card-doesnt-support-44100hz/5324)
**Author:** [@ChrisDancer](https://psychtoolbox.discourse.group/u/ChrisDancer)\ **Replies:** 5\ **Last updated:** [April 14, 2024, 5:51pm UTC](https://psychtoolbox.discourse.group/t/ptb-thinks-usb-sound-card-doesnt-support-44100hz/5324 "2024-04-14T17:51:57Z")
I hope someone can suggest some possible reasons for this behaviour. I recently wrote some code for outputting 10-channel wav files using a Behringer UMC1820 audio interface. That works perfectly. I now want to output a… --- ## [Waiting forever for data transmission with Cedrus RB](https://psychtoolbox.discourse.group/t/waiting-forever-for-data-transmission-with-cedrus-rb/5319)
**Author:** [@Cemre](https://psychtoolbox.discourse.group/u/Cemre)\ **Replies:** 5\ **Last updated:** [April 5, 2024, 7:51am UTC](https://psychtoolbox.discourse.group/t/waiting-forever-for-data-transmission-with-cedrus-rb/5319 "2024-04-05T07:51:06Z")
Hi there! I am trying to setup a new experiment in which I will use a Cedrus response box. My code is stuck, I don’t get any response. I have waited for 1,5 hour at most but PTB doesn’t do anything. After adjusting all… --- ## [Psychtoolbox only recognizes one touch screen in Window 11](https://psychtoolbox.discourse.group/t/psychtoolbox-only-recognizes-one-touch-screen-in-window-11/5317)
**Author:** [@yzengae](https://psychtoolbox.discourse.group/u/yzengae)\ **Replies:** 3\ **Last updated:** [April 4, 2024, 2:22am UTC](https://psychtoolbox.discourse.group/t/psychtoolbox-only-recognizes-one-touch-screen-in-window-11/5317 "2024-04-04T02:22:44Z")
Hi everyone, I am programing an experiment that uses 3 touch screens in Windows 11 with an AMD Radeon RX 6700 XT graphics card. The touch screens are connected, but Psychtoolbox only recognizes one. Below is the info I … --- ## [Disabling dithering on recent Nvidia GPU's?](https://psychtoolbox.discourse.group/t/disabling-dithering-on-recent-nvidia-gpus/5303)
**Author:** [@x79ftw](https://psychtoolbox.discourse.group/u/x79ftw)\ **Replies:** 2\ **Last updated:** [March 16, 2024, 2:06am UTC](https://psychtoolbox.discourse.group/t/disabling-dithering-on-recent-nvidia-gpus/5303 "2024-03-16T02:06:24Z")
Hello, I have an Nvidia RTX A4000 which seems to have two layers of dithering enabled, the typical driver one that can be disabled in Linux, and Windows with the application Color Control which can be verified with a lo… --- ## [MATLAB + Mac Keyboard Recognition](https://psychtoolbox.discourse.group/t/matlab-mac-keyboard-recognition/5158)
**Author:** [@russelldejesus](https://psychtoolbox.discourse.group/u/russelldejesus)\ **Replies:** 14\ **Last updated:** [March 4, 2024, 10:03pm UTC](https://psychtoolbox.discourse.group/t/matlab-mac-keyboard-recognition/5158 "2024-03-04T22:03:15Z")
MacOS Sonoma 14.0 (23A344) + MATLAB R2023b Update 1 (23.2.0.2380103) 64-bit (maci64) My PI and I are designing an experiment on a new desktop Mac that takes over the whole screen. When it gets time for the participant t… --- ## [XOrgConfSelector help](https://psychtoolbox.discourse.group/t/xorgconfselector-help/5281)
**Author:** [@Nicholas](https://psychtoolbox.discourse.group/u/Nicholas)\ **Replies:** 1\ **Last updated:** [March 1, 2024, 5:49pm UTC](https://psychtoolbox.discourse.group/t/xorgconfselector-help/5281 "2024-03-01T17:49:15Z")
I have trouble finding the file created by XOrgConfCreator. In a previous post 3 days ago I had not succeeded but I subsequently used Settings to create two X-screens, Display 1 and Display 2, which now seem to work well… --- ## [Configuration of MRI button box to record subject response](https://psychtoolbox.discourse.group/t/configuration-of-mri-button-box-to-record-subject-response/5273)
**Author:** [@Henrike96](https://psychtoolbox.discourse.group/u/Henrike96)\ **Replies:** 3\ **Last updated:** [February 29, 2024, 12:24pm UTC](https://psychtoolbox.discourse.group/t/configuration-of-mri-button-box-to-record-subject-response/5273 "2024-02-29T12:24:56Z")
Dear community, I am trying to record subject responses with a MR compatible Current Designs button box. The software I am using is PTB 3.0.18, MATLAB 2016b, and Windows 10. I am using the KbCheck() function and have t… --- ## [Monitor resolution larger than hardware specs (Due to wrong use of HiDPI on MS-Windows)](https://psychtoolbox.discourse.group/t/monitor-resolution-larger-than-hardware-specs-due-to-wrong-use-of-hidpi-on-ms-windows/5229)
**Author:** [@MrAndre89](https://psychtoolbox.discourse.group/u/MrAndre89)\ **Replies:** 4\ **Last updated:** [February 29, 2024, 12:46am UTC](https://psychtoolbox.discourse.group/t/monitor-resolution-larger-than-hardware-specs-due-to-wrong-use-of-hidpi-on-ms-windows/5229 "2024-02-29T00:46:15Z")
Hello, I am trying to get the resolution of an external monitor ASUS MS238H, whose specs clearly state that the resolution is 1920\*1080 (https://icecat.biz/p/asus/ms238h/monitor-pc-MS238H-3960318.html). NVIDIA control p… --- ## [XOrgConfCreator Ubuntu VPixx dual monitor not found on outdated/end-of-life Ubuntu 18.04](https://psychtoolbox.discourse.group/t/xorgconfcreator-ubuntu-vpixx-dual-monitor-not-found-on-outdated-end-of-life-ubuntu-18-04/5277)
**Author:** [@Nicholas](https://psychtoolbox.discourse.group/u/Nicholas)\ **Replies:** 2\ **Last updated:** [February 28, 2024, 11:31am UTC](https://psychtoolbox.discourse.group/t/xorgconfcreator-ubuntu-vpixx-dual-monitor-not-found-on-outdated-end-of-life-ubuntu-18-04/5277 "2024-02-28T11:31:29Z")
I would be grateful for some ideas on why my dual monitor setup is not being discovered by XOrgConfCreator Environment: Linux Ubuntu 18 bionic, Psychtoolbox-3 Both monitors are connected to the same PCI-card and turned… --- ## [Issues with Psychtoolbox 3 and MATLAB 2019b on macOS 12.4 Monterey - Trigger and Response Box Recognition Problem](https://psychtoolbox.discourse.group/t/issues-with-psychtoolbox-3-and-matlab-2019b-on-macos-12-4-monterey-trigger-and-response-box-recognition-problem/5236)
**Author:** [@pelosegi](https://psychtoolbox.discourse.group/u/pelosegi)\ **Replies:** 2\ **Last updated:** [January 25, 2024, 6:36pm UTC](https://psychtoolbox.discourse.group/t/issues-with-psychtoolbox-3-and-matlab-2019b-on-macos-12-4-monterey-trigger-and-response-box-recognition-problem/5236 "2024-01-25T18:36:59Z")
Problem Description: I have set up an experiment where I need to capture input from a trigger and response box, but the script fails to recognize these inputs. Strangely, other USB inputs are being detected without any i… --- ## [Understanding Triple Buffering Issues on Intel Integrated Graphics in Windows](https://psychtoolbox.discourse.group/t/understanding-triple-buffering-issues-on-intel-integrated-graphics-in-windows/5091)
**Author:** [@bloomingconfusion](https://psychtoolbox.discourse.group/u/bloomingconfusion)\ **Replies:** 7\ **Last updated:** [December 31, 2023, 5:01pm UTC](https://psychtoolbox.discourse.group/t/understanding-triple-buffering-issues-on-intel-integrated-graphics-in-windows/5091 "2023-12-31T17:01:52Z")
Hey there, I’m a bit confused about the whole triple buffering situation with Intel integrated graphics on Windows. From what I know, triple buffering in OpenGL drivers for Intel integrated graphics on Windows 10 and ne… --- ## [Raspberry Pi 5 releasing soon](https://psychtoolbox.discourse.group/t/raspberry-pi-5-releasing-soon/5112)
**Author:** [@Ian-Max-Andolina](https://psychtoolbox.discourse.group/u/Ian-Max-Andolina)\ **Replies:** 10\ **Last updated:** [December 14, 2023, 4:28pm UTC](https://psychtoolbox.discourse.group/t/raspberry-pi-5-releasing-soon/5112 "2023-12-14T16:28:55Z")
The new Raspberry Pi 5 was just announced: https://youtu.be/nBtOEmUqASQ?si=33d1DRkHdurwAyKO (Jeff Geerling’s great review) 2X faster overall, and the new GPU should have open source MESA support to boot! Octave should… --- ## [Joystick suggestions](https://psychtoolbox.discourse.group/t/joystick-suggestions/5206)
**Author:** [@gopie](https://psychtoolbox.discourse.group/u/gopie)\ **Replies:** 0\ **Last updated:** [December 5, 2023, 9:10pm UTC](https://psychtoolbox.discourse.group/t/joystick-suggestions/5206 "2023-12-05T21:10:02Z")
Hi All, Im currently using a wacom intuos pro tablet to run a visuomotor adaptation task. However, Id like to switch to a joytisck, and wondered if anyone had suggestions on a specific device that is known to work well?… --- ## [When running in full screen, the execution screen is displayed between the two monitors](https://psychtoolbox.discourse.group/t/when-running-in-full-screen-the-execution-screen-is-displayed-between-the-two-monitors/5196)
**Author:** [@Tatsuya](https://psychtoolbox.discourse.group/u/Tatsuya)\ **Replies:** 2\ **Last updated:** [December 3, 2023, 7:50pm UTC](https://psychtoolbox.discourse.group/t/when-running-in-full-screen-the-execution-screen-is-displayed-between-the-two-monitors/5196 "2023-12-03T19:50:00Z")
I am running PTB on a laptop in this environment. Ubuntu 20.04.6 LTS Matlab 2023a for linux Intel(R) Core™ i7-10750H CPU @ 2.60GHz NVIDIA GeForce GTX 1650 Ti I work on dual display, a laptop and an external display.… --- ## [IOPort device compatibility](https://psychtoolbox.discourse.group/t/ioport-device-compatibility/5163)
**Author:** [@battmancroft](https://psychtoolbox.discourse.group/u/battmancroft)\ **Replies:** 1\ **Last updated:** [November 5, 2023, 11:57pm UTC](https://psychtoolbox.discourse.group/t/ioport-device-compatibility/5163 "2023-11-05T23:57:07Z")
Hi, I intend to use PTB’s IOPort function to send and receive signals to and from another machine. I understand there are several possible compatible devices (thankfully reviewed clearly on the PTB wiki) but have a coup… [Previous page](https://psychtoolbox.discourse.group/c/for-questions-relating-to-hardware-used-with-ptb/9.md) [Next page](https://psychtoolbox.discourse.group/c/for-questions-relating-to-hardware-used-with-ptb/9.md?page=2)