x86 on USB

Installation of x86 on a USB drive verified 7.3rc2 ROS version on 03.06.2022

Step-by-step guide

Download x86 CD image file, from https://mikrotik.com/download

On Windows systems:
Download Rufus, https://github.com/pbatard/rufus/releases/download/v3.18/rufus-3.18.exe
Connect your USB drive and open Rufus
Select downloaded ISO image and click START

On Linux, FreeBSD or MacOS systems:
Warning! Double check correct device address, dd can destroy data irreversibly!
Connect USB drive and find it's device address
- MacOS use
  Error rendering macro 'code': Invalid value specified for parameter '[Ljava.lang.Object;@4456be63'
```
diskutil list
```
- Linux/ FreeBSD
  Error rendering macro 'code': Invalid value specified for parameter '[Ljava.lang.Object;@38752213'
```
fdisk -l
```
Write image to disk using dd:
Error rendering macro 'code': Invalid value specified for parameter '[Ljava.lang.Object;@b43243f'
```
dd if=<your_downloaded_routeros_ISO> of=<disk_address> bs=1M status=progress oflag=sync
```
After finished, connect your USB to your x86 system and boot the USB.
Proceed with the installation process by choosing "i" on your keyboard.
After reboot, your will have x86 installed.

Boot priorities should be changed in your BIOS settings. If RouterOS will be installed to NVMe drive - USB has to be booted in UEFI mode.