When running hpost on a stand-alone system board which doesn't have any 
Sbus cards, hpost will fail as follows :

	phase iom_probe: I/O module type probe...
	No minimum system left after I/O module type probe! Bailing out!

	... board dump ...

	Exitcode = 76: Unable to configure a bootable system


To allow the system board to run without any I/O, simply add
the following entry to the .postrc file for the domain.

	no_scards_ok

This file is located in /var/opt/SUNWssp/etc/<platform>/<domain>/.postrc

Similar issues with system boards without memory can be avoided
by add the entry :

	no_memory_ok

to the .postrc file.