Integrated Lights-Out
Overview
 
Integrated Lights-Out, or iLO, is an embedded server management technology exclusive to Hewlett-Packard
Hewlett-Packard
Hewlett-Packard Company or HP is an American multinational information technology corporation headquartered in Palo Alto, California, USA that provides products, technologies, softwares, solutions and services to consumers, small- and medium-sized businesses and large enterprises, including...

 but similar in functionality to the Lights out management (LOM) technology of other vendors.

iLO is useful as an out-of-band management
Out-of-band management
In computing, out-of-band management involves the use of a dedicated management channel for device maintenance...

 technology. The physical connection is an Ethernet
Ethernet
Ethernet is a family of computer networking technologies for local area networks commercially introduced in 1980. Standardized in IEEE 802.3, Ethernet has largely replaced competing wired LAN technologies....

 port that can be found on most Proliant
Proliant
ProLiant is a brand of server computers that was originally developed and marketed by Compaq. After Compaq merged into Hewlett-Packard , HP continued to develop and market these servers as HP ProLiant. ProLiant systems lead the x86 server market in terms of units and revenue...

 servers of the 300 and above series. This port can be enabled using the set-up utility which can be accessed with the F8 key during POST
Power-on self-test
Power-On Self-Test refers to routines run immediately after power is applied, by nearly all electronic devices. Perhaps the most widely-known usage pertains to computing devices...

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