# Problems about building pynq image on ZYNQ 7100

**URL:** <https://discuss.pynq.io/t/problems-about-building-pynq-image-on-zynq-7100/5558>\
**Category:** Support\
**Created:** [May 8, 2023, 4:52am UTC](https://discuss.pynq.io/t/problems-about-building-pynq-image-on-zynq-7100/5558 "2023-05-08T04:52:43Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![briansune](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.pynq.io/briansune/32/3087_2.png) [@briansune](https://discuss.pynq.io/u/briansune)\
**Post date:** [May 8, 2023, 5:31am UTC](https://discuss.pynq.io/t/problems-about-building-pynq-image-on-zynq-7100/5558/2 "2023-05-08T05:31:29Z")

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@Jingzhuo-Liang

Sure will works from myside on custom board and tested on PYNQ 2.7 works well and stable.

For build guide 2.7:

> [@Stuck at extract yocoto](https://discuss.pynq.io/t/stuck-at-extract-yocoto/4134/8):
>
> Unless people having hard time on setting up the environment: Vagrant is not a good method to setup the SD build environment. I have not investigate to the bottom but what previous engineer shows there might Virtual R/W issue during such setup. STEPS: I will suggest download 18.04.06 LTS Ubuntu from official website Create a virtual disk size about 200GB or more, set the CPU \>#4, RAM \>#8192 Update Ubuntu packages before setting up the PYNQ 3b) Git clone the PYNQ to /home//PYNQ 3c) sudo ch…

ENJOY~

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