Dell GX240 User's Guide - Page 284

www.dell.com | support.dell.com IDE Integrated Device Electronics. An ATA specification for drive interface. This is a common interface used primarily for hard drives and CD drives. This interface is commonly integrated directly into the computer's system board, and it allows up to four drives to communicate simultaneously with the computer. See also EIDE. IP Internet Protocol. The protocol governing how data is sent from one computer to another on the Internet. See also IP Address and TCP/IP. IP Address Each computer on the Internet has at least one IP address that uniquely identifies it from all other computers on the Internet. When you send or receive data on the Internet, it contains both the sender's and receiver's addresses. See also TCP/IP. IPX Internetwork packet eXchange. A networking protocol from Novell® that interconnects networks that use Novell NetWare® clients and servers. See also SPX and IPX/SPX. IPX/SPX Internetwork Packet eXchange (IPX)/Sequenced Packet eXchange (SPX). A Novell network communications protocol that functions similarly to TCP/IP. IRQ Interrupt request. An electronic pathway assigned to a specific device so that the device can communicate with the microprocessor. Each device connection must be assigned an IRQ. For example, the first serial port in your computer is typically assigned to IRQ4. Although two devices can share the same IRQ assignment, you cannot operate both devices simultaneously. ISA Industry-Standard Architecture. A standard for IBM-compatible PCs that extends the bus architecture to 16 bits. It also allows for bus mastering, although only the first 16 MB of RAM are available for direct access. ISA is sometimes referred to as AT bus architecture. ISO International Organization for Standardization. A voluntary organization founded in 1946, comprised of the national standards organizations of many countries. ISO determines international standards in many areas, including computers and communications. ANSI is the American member of ISO. 32