Missing information for Mach3 settings

[dazp1976]

If you want my advice, especially because you are using plasma is to dump USB and buy an Ethernet-based controller like the UC400 or UC300 and use UCCNC, it's much better than Mach3 and Ethernet is rock solid. USB will threak out when your plasma fires and you'll be constantly chasing trips etc.

Totally agree.
I recently bought a UC300eth and 2*UCBB's. Nice bits of kit.
I did get slapped with an import fee though

If you have decent enough axis LPT breakouts already, then you can get a uc400eth. Get some IDC26 to DB25 cables to go with it.
Or the AXBB-E might suit you too/better if they're available.

It will be much more reliable and easy to work with.

Edit: Just relised you're in Aus
They are available though.