HP-UX 11i Version 1.6 Installation and Configuration Guide

Preparing for Cold Install
Selecting your HP-UX Console
Chapter 2 47
to boot, or will boot with output directed to the wrong location. Therefore,
any time new potential console devices are added to a system, or anytime
NVRAM on a system is cleared, console selections should be reviewed to
ensure that they are correct.
More information on the EFI Paths used for console selection can be
found in Intel's Extensible Firmware Interface documents available from
their web site.