* https://rom-o-matic.eu/build.fcgi?BINARY=15ad07b0.rom&BINDIR=bin&REVISION=master&DEBUG=&EMBED.00script.ipxe=&
* https://rancher.com/docs/os/v1.2/en/configuration/#cloud-config
* https://rancher.com/docs/os/v1.2/en/running-rancheros/server/pxe/
* http://ipxe.org/howto/vmware
* https://ipxe.org/buildcfg/vmware_settings
* https://thewayeye.net/2012/april/1/pxe-booting-virtual-machines-using-vmware-fusionworkstation-and-gpxe-or-ipxe/
* http://daveparsons.net/blog/2014/01/02/extract-bios-from-vmware/

```
nx3bios.filename = "15ad07b0.rom"
ethernet0.opromsize = "67072"
bios.bootOrder = "ethernet0"
guestinfo.ipxe.filename = "http://http.office.ki-wi.cz/xmikus01/ipxe/rancheros1.ipxe"
guestinfo.ipxe.scriptlet = "ifopen net0 && chain ${filename}"
```