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vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Inhaltsverzeichnis</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">In die Seitenleiste verschieben</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">Verbergen</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">(Anfang)</div> </a> </li> <li id="toc-Typische_Aufgaben" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Typische_Aufgaben"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Typische Aufgaben</span> </div> </a> <button aria-controls="toc-Typische_Aufgaben-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Unterabschnitt Typische Aufgaben umschalten</span> </button> <ul id="toc-Typische_Aufgaben-sublist" class="vector-toc-list"> <li id="toc-Prozessorbus" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Prozessorbus"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Prozessorbus</span> </div> </a> <ul id="toc-Prozessorbus-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Speichercontroller" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Speichercontroller"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2</span> <span>Speichercontroller</span> </div> </a> <ul id="toc-Speichercontroller-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Anbindung_der_Grafikkarte" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Anbindung_der_Grafikkarte"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.3</span> <span>Anbindung der Grafikkarte</span> </div> </a> <ul id="toc-Anbindung_der_Grafikkarte-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Verbindung_zur_Southbridge" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Verbindung_zur_Southbridge"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.4</span> <span>Verbindung zur Southbridge</span> </div> </a> <ul id="toc-Verbindung_zur_Southbridge-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Neuere_Entwicklungen" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Neuere_Entwicklungen"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Neuere Entwicklungen</span> </div> </a> <ul id="toc-Neuere_Entwicklungen-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Einzelnachweise" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Einzelnachweise"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Einzelnachweise</span> </div> </a> <ul id="toc-Einzelnachweise-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Weblinks" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Weblinks"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Weblinks</span> </div> </a> <ul id="toc-Weblinks-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Inhaltsverzeichnis" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Inhaltsverzeichnis" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Inhaltsverzeichnis umschalten" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Inhaltsverzeichnis umschalten</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Northbridge</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Zu einem Artikel in einer anderen Sprache gehen. Verfügbar in 27 Sprachen" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-27" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">27 Sprachen</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/NorthBridge" title="NorthBridge – Katalanisch" lang="ca" hreflang="ca" data-title="NorthBridge" data-language-autonym="Català" data-language-local-name="Katalanisch" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Northbridge" title="Northbridge – Tschechisch" lang="cs" hreflang="cs" data-title="Northbridge" data-language-autonym="Čeština" data-language-local-name="Tschechisch" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Northbridge" title="Northbridge – Dänisch" lang="da" hreflang="da" data-title="Northbridge" data-language-autonym="Dansk" data-language-local-name="Dänisch" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/Northbridge" title="Northbridge – Griechisch" lang="el" hreflang="el" data-title="Northbridge" data-language-autonym="Ελληνικά" data-language-local-name="Griechisch" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Northbridge_(computing)" title="Northbridge (computing) – Englisch" lang="en" hreflang="en" data-title="Northbridge (computing)" data-language-autonym="English" data-language-local-name="Englisch" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Norda_ponto" title="Norda ponto – Esperanto" lang="eo" hreflang="eo" data-title="Norda ponto" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Puente_norte" title="Puente norte – Spanisch" lang="es" hreflang="es" data-title="Puente norte" data-language-autonym="Español" data-language-local-name="Spanisch" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/P%C3%B5hjasild" title="Põhjasild – Estnisch" lang="et" hreflang="et" data-title="Põhjasild" data-language-autonym="Eesti" data-language-local-name="Estnisch" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%BE%D9%84_%D8%B4%D9%85%D8%A7%D9%84%DB%8C" title="پل شمالی – Persisch" lang="fa" hreflang="fa" data-title="پل شمالی" data-language-autonym="فارسی" data-language-local-name="Persisch" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Pohjoissilta" title="Pohjoissilta – Finnisch" lang="fi" hreflang="fi" data-title="Pohjoissilta" data-language-autonym="Suomi" data-language-local-name="Finnisch" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Northbridge" title="Northbridge – Französisch" lang="fr" hreflang="fr" data-title="Northbridge" data-language-autonym="Français" data-language-local-name="Französisch" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/%C3%89szaki_h%C3%ADd" title="Északi híd – Ungarisch" lang="hu" hreflang="hu" data-title="Északi híd" data-language-autonym="Magyar" data-language-local-name="Ungarisch" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Northbridge" title="Northbridge – Italienisch" lang="it" hreflang="it" data-title="Northbridge" data-language-autonym="Italiano" data-language-local-name="Italienisch" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%85%B8%EC%8A%A4%EB%B8%8C%EB%A6%AC%EC%A7%80" title="노스브리지 – Koreanisch" lang="ko" hreflang="ko" data-title="노스브리지" data-language-autonym="한국어" data-language-local-name="Koreanisch" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Jejambat_utara" title="Jejambat utara – Malaiisch" lang="ms" hreflang="ms" data-title="Jejambat utara" data-language-autonym="Bahasa Melayu" data-language-local-name="Malaiisch" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Northbridge" title="Northbridge – Niederländisch" lang="nl" hreflang="nl" data-title="Northbridge" data-language-autonym="Nederlands" data-language-local-name="Niederländisch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Mostek_p%C3%B3%C5%82nocny" title="Mostek północny – Polnisch" lang="pl" hreflang="pl" data-title="Mostek północny" data-language-autonym="Polski" data-language-local-name="Polnisch" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Northbridge" title="Northbridge – Portugiesisch" lang="pt" hreflang="pt" data-title="Northbridge" data-language-autonym="Português" data-language-local-name="Portugiesisch" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Northbridge" title="Northbridge – Rumänisch" lang="ro" hreflang="ro" data-title="Northbridge" data-language-autonym="Română" data-language-local-name="Rumänisch" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A1%D0%B5%D0%B2%D0%B5%D1%80%D0%BD%D1%8B%D0%B9_%D0%BC%D0%BE%D1%81%D1%82_(%D0%BA%D0%BE%D0%BC%D0%BF%D1%8C%D1%8E%D1%82%D0%B5%D1%80)" title="Северный мост (компьютер) – Russisch" lang="ru" hreflang="ru" data-title="Северный мост (компьютер)" data-language-autonym="Русский" data-language-local-name="Russisch" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Northbridge" title="Northbridge – einfaches Englisch" lang="en-simple" hreflang="en-simple" data-title="Northbridge" data-language-autonym="Simple English" data-language-local-name="einfaches Englisch" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Northbridge" title="Northbridge – Slowakisch" lang="sk" hreflang="sk" data-title="Northbridge" data-language-autonym="Slovenčina" data-language-local-name="Slowakisch" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Severni_most" title="Severni most – Serbisch" lang="sr" hreflang="sr" data-title="Severni most" data-language-autonym="Српски / srpski" data-language-local-name="Serbisch" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Nordbrygga" title="Nordbrygga – Schwedisch" lang="sv" hreflang="sv" data-title="Nordbrygga" data-language-autonym="Svenska" data-language-local-name="Schwedisch" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9F%D1%96%D0%B2%D0%BD%D1%96%D1%87%D0%BD%D0%B8%D0%B9_%D0%BC%D1%96%D1%81%D1%82_(%D0%BA%D0%BE%D0%BC%D0%BF%27%D1%8E%D1%82%D0%B5%D1%80)" title="Північний міст (комп'ютер) – Ukrainisch" lang="uk" hreflang="uk" data-title="Північний міст (комп'ютер)" data-language-autonym="Українська" data-language-local-name="Ukrainisch" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Chip_c%E1%BA%A7u_b%E1%BA%AFc" title="Chip cầu bắc – Vietnamesisch" lang="vi" hreflang="vi" data-title="Chip cầu bắc" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamesisch" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%8C%97%E6%A1%A5" title="北桥 – Chinesisch" lang="zh" hreflang="zh" data-title="北桥" data-language-autonym="中文" data-language-local-name="Chinesisch" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q830445#sitelinks-wikipedia" title="Links auf Artikel in anderen Sprachen bearbeiten" class="wbc-editpage">Links bearbeiten</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namensräume"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Northbridge" title="Seiteninhalt anzeigen [c]" accesskey="c"><span>Artikel</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a 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data-event-name="pinnable-header.vector-appearance.unpin">Verbergen</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">aus Wikipedia, der freien Enzyklopädie</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="de" dir="ltr"><div class="hintergrundfarbe1 rahmenfarbe1 navigation-not-searchable noprint hatnote navigation-not-searchable" style="border-bottom-style: solid; border-bottom-width: 1px; font-size:95%; margin-bottom:1em; padding: 0.25em; overflow: hidden; word-break: break-word; word-wrap: break-word;" id="Vorlage_Dieser_Artikel"><div class="noviewer noresize" style="display: table-cell; padding-bottom: 0.2em; padding-left: 0.25em; padding-right: 1em; padding-top: 0.2em; vertical-align: middle;" id="bksicon" aria-hidden="true" role="presentation"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ea/Disambig-dark.svg/25px-Disambig-dark.svg.png" decoding="async" width="25" height="19" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ea/Disambig-dark.svg/38px-Disambig-dark.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ea/Disambig-dark.svg/50px-Disambig-dark.svg.png 2x" data-file-width="444" data-file-height="340" /></span></span></div> <div style="display: table-cell; vertical-align: middle; width: 100%;"> <div role="navigation"> Dieser Artikel erläutert das Computerbauteil, zu anderen Bedeutungen siehe <a href="/wiki/North_Bridge" class="mw-disambig" title="North Bridge">North Bridge</a>.</div> </div></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Datei:Motherboard_diagram.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bd/Motherboard_diagram.svg/220px-Motherboard_diagram.svg.png" decoding="async" width="220" height="339" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bd/Motherboard_diagram.svg/330px-Motherboard_diagram.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bd/Motherboard_diagram.svg/440px-Motherboard_diagram.svg.png 2x" data-file-width="370" data-file-height="570" /></a><figcaption>Älteres Layout mit separater Northbridge</figcaption></figure> <p>Die <b>Northbridge</b> (<span style="font-style:normal;font-weight:normal"><a href="/wiki/Deutsche_Sprache" title="Deutsche Sprache">deutsch</a></span> <span lang="de-Latn">„<i>Nordbrücke</i>“</span>) bezeichnet eine historische <a href="/wiki/Hardware" title="Hardware">Hardwarekomponente</a> einer <a href="/wiki/IBM-PC-kompatibler_Computer" title="IBM-PC-kompatibler Computer">PC</a>-<a href="/wiki/Hauptplatine" title="Hauptplatine">Hauptplatine</a>. Traditionell war die Northbridge ein separater Chip, der sich im Gegensatz zur <a href="/wiki/Southbridge" title="Southbridge">Southbridge</a> dicht an der <a href="/wiki/CPU" class="mw-redirect" title="CPU">CPU</a> befindet (im oberen, „nördlichen“ Teil der Platine), um Daten schnell transferieren zu können. Die beiden Chips (North- und Southbridge) werden zusammen als <a href="/wiki/Chipsatz" title="Chipsatz">Chipsatz</a> bezeichnet. Eine Notwendigkeit, die Northbridge als separaten Chip vorzusehen, besteht jedoch nicht mehr (<a href="#Neuere_Entwicklungen">Neuere Entwicklungen</a>). </p><p><a href="/wiki/Intel" title="Intel">Intel</a> bezeichnet einige seiner Northbridges als <i><span lang="en">Memory Controller Hubs</span></i> (<i>MCH</i>). Bei den Prozessoren auf <a href="/wiki/Intel-Nehalem-Mikroarchitektur" title="Intel-Nehalem-Mikroarchitektur">Nehalem-Basis</a> beschreibt der Begriff <i><span lang="en">Uncore</span></i> unter anderem die im Prozessor integrierte Northbridge-Funktionalität. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Typische_Aufgaben">Typische Aufgaben</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Northbridge&veaction=edit&section=1" title="Abschnitt bearbeiten: Typische Aufgaben" class="mw-editsection-visualeditor"><span>Bearbeiten</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Northbridge&action=edit&section=1" title="Quellcode des Abschnitts bearbeiten: Typische Aufgaben"><span>Quelltext bearbeiten</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Datei:ASRock_K7VT4A_Pro_Mainboard_Labeled_German.PNG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4f/ASRock_K7VT4A_Pro_Mainboard_Labeled_German.PNG/220px-ASRock_K7VT4A_Pro_Mainboard_Labeled_German.PNG" decoding="async" width="220" height="140" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4f/ASRock_K7VT4A_Pro_Mainboard_Labeled_German.PNG/330px-ASRock_K7VT4A_Pro_Mainboard_Labeled_German.PNG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4f/ASRock_K7VT4A_Pro_Mainboard_Labeled_German.PNG/440px-ASRock_K7VT4A_Pro_Mainboard_Labeled_German.PNG 2x" data-file-width="1280" data-file-height="816" /></a><figcaption>Northbridge auf einem Mainboard</figcaption></figure> <p>Die Aufgabe der Northbridge besteht in der Synchronisierung und Steuerung von breitbandigen Datentransfers mit möglichst niedriger <a href="/wiki/Latenzzeit_(Technik)" class="mw-redirect" title="Latenzzeit (Technik)">Latenz</a>. Daher steht sie in der Steuerungshierarchie weit oben: So verbindet sie zum Beispiel den Hauptprozessor mit der <a href="/wiki/Grafikkarte" title="Grafikkarte">Grafikkarte</a>, bei älteren Mainboards ist sie auch für den Datenaustausch zwischen Hauptprozessor und <a href="/wiki/Arbeitsspeicher" title="Arbeitsspeicher">Arbeitsspeicher</a> verantwortlich, allerdings ist dies nicht mehr üblich, da der Hauptprozessor und der Arbeitsspeicher direkt über einen Integrierten Speicher Controller (Integrated Memory Controller, IMC) miteinander verbunden sind. Die weiteren <a href="/wiki/Peripherieger%C3%A4t" title="Peripheriegerät">Peripheriegeräte</a> werden meist nur indirekt über eine Verbindung zur Southbridge angebunden. Durch den hohen Datendurchsatz, den eine Northbridge üblicherweise bewältigen muss, muss sie entsprechend breitbandig konzipiert und hoch getaktet sein. Daher war oft auch eine Kühlung notwendig. </p> <div class="mw-heading mw-heading3"><h3 id="Prozessorbus">Prozessorbus</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Northbridge&veaction=edit&section=2" title="Abschnitt bearbeiten: Prozessorbus" class="mw-editsection-visualeditor"><span>Bearbeiten</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Northbridge&action=edit&section=2" title="Quellcode des Abschnitts bearbeiten: Prozessorbus"><span>Quelltext bearbeiten</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Da der Prozessorkern mit dem restlichen System kommunizieren können muss, muss eine Gegenstelle für ihn existieren, die das <a href="/wiki/Bus_(Datenverarbeitung)" title="Bus (Datenverarbeitung)">Busprotokoll</a> versteht und die Datentransfers übersetzt und weiterreicht. Das ist eine der wichtigsten Aufgaben der Northbridge. Üblicherweise wird diese Verbindung als <a href="/wiki/Front_Side_Bus" title="Front Side Bus">Front Side Bus</a> (FSB) realisiert, das heißt, sie ist als Bus konzipiert, an dem auch mehrere Prozessoren teilnehmen können. Es gibt jedoch auch Entwicklungen, die statt eines Busses ein <a href="/wiki/Point-to-Point_Protocol" title="Point-to-Point Protocol">Punkt-zu-Punkt-Protokoll</a> einsetzen, beispielsweise <a href="/wiki/HyperTransport" title="HyperTransport">HyperTransport</a> oder <a href="/wiki/Intel_QuickPath_Interconnect" title="Intel QuickPath Interconnect">QPI</a>. </p> <div class="mw-heading mw-heading3"><h3 id="Speichercontroller">Speichercontroller</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Northbridge&veaction=edit&section=3" title="Abschnitt bearbeiten: Speichercontroller" class="mw-editsection-visualeditor"><span>Bearbeiten</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Northbridge&action=edit&section=3" title="Quellcode des Abschnitts bearbeiten: Speichercontroller"><span>Quelltext bearbeiten</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Die Northbridge enthält prinzipiell mindestens einen <a href="/wiki/Speichercontroller" title="Speichercontroller">Speichercontroller</a>, um den Speicher anzusteuern und dem System zur Verfügung zu stellen. Je nach Anforderungen können das mehrkanalige Controller (zum Beispiel <a href="/wiki/Dual_Channel" title="Dual Channel">Dual-Channel-Controller</a>) oder andere Controller sein, um verschiedene Speichertypen zu unterstützen (zum Beispiel <a href="/wiki/DDR-SDRAM" title="DDR-SDRAM">DDR</a>4- und DDR5-SDRAM). Dabei können diese oftmals nur exklusiv genutzt werden (keine gemischte Bestückung). </p> <div class="mw-heading mw-heading3"><h3 id="Anbindung_der_Grafikkarte">Anbindung der Grafikkarte</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Northbridge&veaction=edit&section=4" title="Abschnitt bearbeiten: Anbindung der Grafikkarte" class="mw-editsection-visualeditor"><span>Bearbeiten</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Northbridge&action=edit&section=4" title="Quellcode des Abschnitts bearbeiten: Anbindung der Grafikkarte"><span>Quelltext bearbeiten</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Geräte werden meist über die Southbridge angebunden, doch es gibt eine populäre Ausnahme: die Grafikkarte. Da die Verbindung zu dieser üblicherweise sehr breitbandig ausfällt, enthält meist die Northbridge die Ansteuerungslogik, in Form eines <a href="/wiki/Accelerated_Graphics_Port" title="Accelerated Graphics Port">AGP</a>- oder <a href="/wiki/PCI_Express" title="PCI Express">PCI-Express</a>-Anschlusses oder einer <a href="/wiki/Integrierter_Grafikprozessor" title="Integrierter Grafikprozessor">integrierten Grafikeinheit</a>. Die PCIe-x1-Steckplätze werden allerdings wiederum von der Southbridge angebunden. </p> <div class="mw-heading mw-heading3"><h3 id="Verbindung_zur_Southbridge">Verbindung zur Southbridge</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Northbridge&veaction=edit&section=5" title="Abschnitt bearbeiten: Verbindung zur Southbridge" class="mw-editsection-visualeditor"><span>Bearbeiten</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Northbridge&action=edit&section=5" title="Quellcode des Abschnitts bearbeiten: Verbindung zur Southbridge"><span>Quelltext bearbeiten</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Um weitere Geräte an das System anzubinden, wird meist die Southbridge eingesetzt. Die Verbindung zwischen North- und Southbridge wurde früher über den <a href="/wiki/Industry_Standard_Architecture" title="Industry Standard Architecture">ISA-</a> oder den <a href="/wiki/Peripheral_Component_Interconnect" title="Peripheral Component Interconnect">PCI-Bus</a> realisiert, später setzte man aus Geschwindigkeitsgründen auf proprietäre <a href="/wiki/Direktverbindung" title="Direktverbindung">Punkt-zu-Punkt-Verbindungen</a>. Seit dem Aufkommen von PCI-Express wird verstärkt dieser eingesetzt. </p> <div class="mw-heading mw-heading2"><h2 id="Neuere_Entwicklungen">Neuere Entwicklungen</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Northbridge&veaction=edit&section=6" title="Abschnitt bearbeiten: Neuere Entwicklungen" class="mw-editsection-visualeditor"><span>Bearbeiten</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Northbridge&action=edit&section=6" title="Quellcode des Abschnitts bearbeiten: Neuere Entwicklungen"><span>Quelltext bearbeiten</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Seit den 2000er Jahren ist die Northbridge als separater Chip auf dem Rückzug: Prozessoren wie der <a href="/wiki/AMD_Athlon_64" title="AMD Athlon 64">AMD Athlon 64</a> oder der <a href="/wiki/Intel_Core_i7" class="mw-redirect" title="Intel Core i7">Intel Core i7</a> integrieren aus Geschwindigkeitsgründen bereits einige oder alle Teile einer Northbridge<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>, wodurch ein separater Chip nicht mehr notwendig ist. Obwohl dann vom Chipsatz nur noch die <a href="/wiki/Southbridge" title="Southbridge">Southbridge</a> übrigbleibt, spricht man auch hier von einem Chip<i>satz</i>. </p> <div class="mw-heading mw-heading2"><h2 id="Einzelnachweise">Einzelnachweise</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Northbridge&veaction=edit&section=7" title="Abschnitt bearbeiten: Einzelnachweise" class="mw-editsection-visualeditor"><span>Bearbeiten</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Northbridge&action=edit&section=7" title="Quellcode des Abschnitts bearbeiten: Einzelnachweise"><span>Quelltext bearbeiten</span></a><span class="mw-editsection-bracket">]</span></span></div> <ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><span class="cite"><a rel="nofollow" class="external text" href="https://www.crn.com/news/components-peripherals/231902894/review-latest-intel-core-i7-gives-new-meaning-to-extreme.htm"><i>Review: Latest Intel Core i7 Gives New Meaning To 'Extreme'.</i></a><span class="Abrufdatum"> Abgerufen am 19. November 2011</span>.</span><span style="display: none;" class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2Fde.wikipedia.org%3ANorthbridge&rft.title=Review%3A+Latest+Intel+Core+i7+Gives+New+Meaning+To+%27Extreme%27&rft.description=Review%3A+Latest+Intel+Core+i7+Gives+New+Meaning+To+%27Extreme%27&rft.identifier=https%3A%2F%2Fwww.crn.com%2Fnews%2Fcomponents-peripherals%2F231902894%2Freview-latest-intel-core-i7-gives-new-meaning-to-extreme.htm"> </span></span> </li> </ol> <div class="mw-heading mw-heading2"><h2 id="Weblinks">Weblinks</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Northbridge&veaction=edit&section=8" title="Abschnitt bearbeiten: Weblinks" class="mw-editsection-visualeditor"><span>Bearbeiten</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Northbridge&action=edit&section=8" title="Quellcode des Abschnitts bearbeiten: Weblinks"><span>Quelltext bearbeiten</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="sisterproject" style="margin:0.1em 0 0 0;"><div class="noresize noviewer" style="display:inline-block; line-height:10px; min-width:1.6em; text-align:center;" aria-hidden="true" role="presentation"><span class="mw-default-size" typeof="mw:File"><span title="Commons"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/12px-Commons-logo.svg.png" decoding="async" width="12" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/24px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span></div><b><span class="plainlinks"><a class="external text" href="https://commons.wikimedia.org/wiki/Category:North_bridges?uselang=de"><span lang="en">Commons</span>: Northbridge</a></span></b> – Sammlung von Bildern, Videos und Audiodateien</div></div><noscript><img src="https://auth.wikimedia.org/loginwiki/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Abgerufen von „<a dir="ltr" href="https://de.wikipedia.org/w/index.php?title=Northbridge&oldid=251609367">https://de.wikipedia.org/w/index.php?title=Northbridge&oldid=251609367</a>“</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Wikipedia:Kategorien" title="Wikipedia:Kategorien">Kategorie</a>: <ul><li><a href="/wiki/Kategorie:Chipsatz" title="Kategorie:Chipsatz">Chipsatz</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Diese Seite wurde zuletzt am 26. 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