Dell GX240 User's Guide - Page 290

www.dell.com | support.dell.com PIO Programmed input/output. A method of moving data between devices in a computer in which all data passes through the microprocessor. The most recent ATA/IDE standard specifies higher data transfer rates, mode 3 at 11.1 MBps and mode 4 at 16.6 MBps. A recent alternative to PIO is DMA. Plug and Play Often referred to as Plug-n-Play or PnP. A technology that can automatically configure devices at start-up to use or share certain IRQs. For this to work properly the computer's BIOS and OS must both support PnP, and all devices being configured must also be PnP-compliant. PCI devices are PnPcompliant. PME Power management event. An event that causes a computer to be remotely started, such as Remote Wake Up (WOL) or WOR. PnP See Plug and Play. Port A socket or plug on your computer that allows you to attach an external device by connecting its cable. See also Parallel Port and Serial Port. POST Power-on self-test. Diagnostic programs, loaded automatically by the BIOS during start-up, that perform basic tests on the major computer components, such as RAM, the hard drives, the keyboard, video, and so on. If there are no problems during the POST, the computer continues the start-up and loads the OS. Product ID Also referred to as Product Key. See COA. Product Key Also referred to as Product ID. See COA. PS/2 Personal System/2. A mini-DIN connector on your computer that is typically used to connect keyboard or mouse cable connectors. 38