Dell PowerEdge T605 Hardware Owner's Manual (PDF) - Page 215

ms - Millisecond(s). MS-DOS® - Microsoft Disk Operating System. NAS - Network Attached Storage. NAS is one of the concepts used for implementing shared storage on a network. NAS systems have their own operating systems, integrated hardware, and software that are optimized to serve specific storage needs. NIC - Network interface controller. A device that is installed or integrated in a system to allow connection to a network. NMI - Nonmaskable interrupt. A device sends an NMI to signal the processor about hardware errors. ns - Nanosecond(s). NTFS - The NT File System option in the Windows 2000 operating system. NVRAM - Nonvolatile random-access memory. Memory that does not lose its contents when you turn off your system. NVRAM is used for maintaining the date, time, and system configuration information. parity - Redundant information that is associated with a block of data. partition - You can divide a hard drive into multiple physical sections called partitions with the fdisk command. Each partition can contain multiple logical drives. You must format each logical drive with the format command. PCI - Peripheral Component Interconnect. A standard for local-bus implementation. PDU - Power distribution unit. A power source with multiple power outlets that provides electrical power to servers and storage systems in a rack. peripheral - An internal or external device, such as a diskette drive or keyboard, connected to a system. PGA - Pin grid array. A type of processor socket that allows you to remove the processor chip. Glossary 215