direct memory access controller
1Direct memory access — (DMA) is a feature of modern computers that allows certain hardware subsystems within the computer to access system memory independently of the central processing unit (CPU). Without DMA, the CPU using programmed input/output is typically fully… …
2Direct Memory Access — Der Begriff Speicherdirektzugriff oder englisch Direct Memory Access (DMA) bezeichnet in der Computertechnik eine Zugriffsart, die über ein Bussystem direkt auf den Speicher zugreift. Diese Technik erlaubt angeschlossenen Peripheriegeräten, wie… …
3Memory-mapped I/O — For more generic meanings of input/output port, see Computer port (hardware). MMIO redirects here. For the airport serving Saltillo, Mexico, assigned the ICAO code MMIO, see Plan de Guadalupe International Airport. Memory mapped I/O (MMIO) and… …
4Direct Connect Architecture — The Direct Connect Architecture is the I/O architecture of the Athlon 64 X2, Opteron, and Phenom microprocessors from AMD. It consists of the combination of three elements: The microprocessor is directly connected to DRAM memory through an… …
5I/O Controller Hub — (ICH), also known as Intel 82801, is an Intel microchip used as southbridge on motherboards with Intel chipsets (Intel Hub Architecture). As with any other southbridge, the ICH is used to connect and control peripheral devices. ICH The first… …
6Network interface controller — Network Interface Card (NIC) A 1990s Ethernet network interface controller card which connects to the motherboard via the now obsolete ISA bus. This combination card features both a (now obsolete) bayonet cap BNC connector (left) for use in… …
7Direct digital synthesis — (DDS) is an electronic method for digitally creating arbitrary waveforms and frequencies from a single, fixed source frequency. OverviewA basic DDS circuit consists of an electronic controller, a random access memory, a frequency reference… …
8Floppy disk controller — A floppy disk controller (FDC) is a special purpose chip and associated disk controller circuitry that directs and controls reading from and writing to a computer s floppy disk drive (FDD). This article contains concepts common to FDCs based on… …
9Ranger memory — Chip RAM und Fast RAM sind bestimmte RAM Bereiche im Amiga Computersystem von Commodore. Der Chipsatz des Amigas kann nur auf das Chip RAM zugreifen, um daraus unter Anderem Video und Sounddaten zu holen. Für Details siehe Original Chip Set.… …
10RAM Expansion Controller — Unter RAM Expansion Unit (REU) versteht man im weitesten Sinn eine Speichererweiterung in Form einer Erweiterungskarte oder eines Moduls. Hauptsächlich verwendet wird der Begriff aber für Speichererweiterungen von Commodore für deren Heimcomputer …
