I was testing out 6.01 on Qnap VM (using the same method, create vm using vmware workstation, then exporting to .OVF), then after trying to get the 6.2 loader to work. Got it working now. Once it was working, I exported the VM to a QVM file so there's no need to go through the process of installing the PAT file.
https://youtu.be/-uvm_Z0g2fs