Save configuration into NVRAM on Compaq servers

configname: CONFIG_HOTPLUG_PCI_COMPAQ_NVRAM

Linux Kernel Configuration
└─>Device Drivers
└─>PCI support
└─>Support for PCI Hotplug
└─>Save configuration into NVRAM on Compaq servers
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Say Y here if you have a Compaq server that has a PCI Hotplug
controller. This will allow the PCI Hotplug driver to store the PCI
system configuration options in NVRAM.

When in doubt, say N.