SCO OpenServer on Proxmox: VirtIO disk and network drivers

VirtIO disk and network drivers for SCO OpenServer 5.0.6 and 5.0.7, so it runs properly on Proxmox instead of on emulated IDE. Free and MIT licensed, with the boot media you need. Plus what went wrong on the way: geometry failures, a CD-ROM that thought it was a hard disk, and an MPX kernel 60 times slower than it should have been. The post SCO OpenServer on Proxmox: VirtIO disk and network…