# VDMA configuration in Python on Pynq-Z2

**URL:** <https://discuss.pynq.io/t/vdma-configuration-in-python-on-pynq-z2/1701>\
**Category:** Support\
**Created:** [August 31, 2020, 4:25pm UTC](https://discuss.pynq.io/t/vdma-configuration-in-python-on-pynq-z2/1701 "2020-08-31T16:25:53Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![noutsos](https://avatars.discourse-cdn.com/v4/letter/n/dbc845/32.png) [@noutsos](https://discuss.pynq.io/u/noutsos)\
**Post date:** [August 31, 2020, 4:25pm UTC](https://discuss.pynq.io/t/vdma-configuration-in-python-on-pynq-z2/1701/1 "2020-08-31T16:25:53Z")

</div>

I am trying to configure the VDMA in Python on Jupyter Notebook with the following design but something is wrong because the connection with the board is being lost after i run the last lines…  
How can i configure VDMA?

I follow the instructions from:

[https://forums.xilinx.com/t5/Design-and-Debug-Techniques-Blog/Video-Series-23-Generate-a-video-output-on-Pynq-Z2-HDMI-out/ba-p/932553](https://forums.xilinx.com/t5/Design-and-Debug-Techniques-Blog/Video-Series-23-Generate-a-video-output-on-Pynq-Z2-HDMI-out/ba-p/932553)

[https://forums.xilinx.com/t5/Design-and-Debug-Techniques-Blog/Video-Series-24-Using-the-AXI-VDMA-in-Triple-Buffer-Mode/ba-p/938327](https://forums.xilinx.com/t5/Design-and-Debug-Techniques-Blog/Video-Series-24-Using-the-AXI-VDMA-in-Triple-Buffer-Mode/ba-p/938327)

 ![design](https://us1.discourse-cdn.com/flex019/uploads/pynq1/original/2X/e/e0582241127fa0bd854866902a8de49b37783632.jpeg)

 ![address](https://us1.discourse-cdn.com/flex019/uploads/pynq1/original/2X/1/1e80ea08adb120dfc659ca04dcbd8c5fa47d731d.jpeg)

 ![jupyter](https://us1.discourse-cdn.com/flex019/uploads/pynq1/original/2X/4/45f0d8e9a3c322f4ecf39c7d6bfce6b1cb80ed51.jpeg)

---

<div class="post-metadata">

**Author:** ![noutsos](https://avatars.discourse-cdn.com/v4/letter/n/dbc845/32.png) [@noutsos](https://discuss.pynq.io/u/noutsos)\
**Post date:** [September 2, 2020, 3:11pm UTC](https://discuss.pynq.io/t/vdma-configuration-in-python-on-pynq-z2/1701/2 "2020-09-02T15:11:43Z")

</div>

I also used the following code in Python but when i run the last code “**vdma.writechannel.start()**” my monitor is still blank but it shows “ **inappropriate format** ” instead of “no signal”.

 ![jupyter2](https://us1.discourse-cdn.com/flex019/uploads/pynq1/original/2X/6/60f7b74c9fec1fa7cb1907889dd8bb65ed0aa0ee.jpeg)