Interface Card OL* Support Guide

Chapter 1
PCI Card OL* Overview and Concepts
OL* Methods
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A Fast Web interface is light on the network and can be used in places where an X-Windows interface is
not available or does not provide equivalent speed.
Additional Web Security provides a secure, encrypted connection between the Web browser and the host
system.
Attention Button
OL* compatible slots feature an OLX Divider that contains a power LED, an attention LED, and an Attention
Button. Attention Button is the method used for hardware triggered Hot-Plug operations, with minimal or no
console interactions.
Initially, not all platforms will have this capability, but over time users should see many systems adding this
capability to their set of functions. See the system documentation for details on the slot, OLX Divider and
Attention Button capabilities.
NOTE Although Attention Button is used throughout this document, it is also known by other names,
including DoorBell, hotplug, and Attention Indicator.
olrad Command
The olrad command provides the ability to perform command line based online addition and replacement of
I/O cards. olrad performs critical resource analysis of the system before performing any OLA/R operation to
ensure that the system is not left in an inconsistent state after a PCI card is added/replaced.