# Glossary

This Glossary defines terms, abbreviations, and acronyms that apply directly to the Intel® iSCSI Boot.

TERMS | DEFINITIONS
--- | ---
BIOS | Basic Input/Output System. The program a personal computer's microprocessor uses to get the computer system started after you turn it on.
CHAP | Challenge Handshake Authentication Protocol, CHAP is the standard authentication protocol used on iSCSI SAN networks.
CLP | Command Line Protocol.
DHCP | Dynamic Host Configuration Protocol. An industry standard internet protocol defined by the IETF. DHCP was defined to dynamically provide communications-related configuration values such as network addresses to network client computers at boot time. DHCP is specified by IETF RFCs 1534, 2131, and 2132.
Flash ROM | The non-volatile memory embedded in Intel® Network Connections. Flash ROM is used to store Intel® iSCSI Boot.
iSCSI initiator | The client side system in an iSCSI SAN configuration. The iSCSI initiator logs into the iSCSI target system to access iSCSI target drives.
iSCSI target | The server side system in an iSCSI SAN configuration. The iSCSI target system hosts the iSCSI target drives which are accessed by an iSCSI initiator.
SAN | Storage Area Network
LUN | Logical Unit Number. A LUN ID specifies a specific SCSI disk volume managed by a SCSI controller.
PnP | Plug and Play. PnP refers to a set of industry standard specifications that allows installed devices to self-configure.