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Herzlich Willkommen

Hallo und herzlich Willkommen hier auf Power-Dreams.com|.at|.eu, ich heiße Beatus und bin das Maskottchen hier . Ich werde dich hier begleiten und dir zusätzlich noch die Vorteile einer Registrierung schmackhaft machen wie zB:
Wenn du auch einen coolen PC dein Eigen nennst, dann kannst du die Bilder deines PC's bei uns vollkommen kostenlos hochladen und der Welt präsentieren.
 
Index : Sonstiges : Tech Erläuterungen

Die Grafikkarte Aufrufe um Populär zu sein:  
Geschrieben von: MASTER-STYX
Erstellt am: Fri, 08.07.2005
Aufrufe: 5388

Bewertung:  (1 Bewertung)
 
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Hardware-Grafikschnittstellen

Es gibt folgende Anschlüsse Es gibt folgende DVI-Typen
  1. VGA-Anschluss (Analog)
  2. DVI (Digital Visual Interface)
  3. TV-Out (für Fernseher, analog)
  4. S-Video-Anschluss
  5. Composite
 
  1. DVI-I (integrated)
  2. DVI-D (digital)
  3. DVI-A (analog)

Üblich sind nur DVI-I und DVI-D, DVI-A ist eher unüblich. DVI-I überträgt sowohl analoge, als auch digitale Video- und Grafikdaten. Dagegen überträgt DVI-D nur die digitalen Informationen. Mit einem DVI-I auf VGA Adapter ist es möglich, einen handelsüblichen VGA-Bildschirm an einer DVI-Schnittstelle zu betreiben.

Virtuelle Grafikschnittstelle
Eine Sonderform ist die virtuelle Grafikkarte, die dem Betriebssystem eines Computers mit einer Gerätetreibersoftware eine Grafikkarten-Hardware vortäuscht, bzw. emuliert. Als Software fehlt dieser jedoch die oben genannten Hardware-Grafikschnittstellen. Stattdessen sendet die virtuelle Grafikkarte die Bildschirmdaten über eine Netzwerkverbindung.

Unterschiede zwischen AGP und PCI-Express
Die gängigen Grafikports werden als AGP und PCI-E bezeichnet und unterscheiden sich überwiegend durch ihre Konzeption und ihre technischen Möglichkeiten. Währen AGP mittlerweile als betagt angesehen wird, kommt PCI-E mit einer neuen Technologie auf: Die sogenannten Lanes.

Details zu PCI-Express  Details zu AGP
  1. Taktrate von 2,5 GHz
  2. 250 MB/s je Richtung pro Lane daher
  3. 500 MB/s in beide Richtungen (bidirektional) pro Lane
  4. bis zu 16 Lanes daher
  5. 8 GB/s bidirektional bzw. 4 GB/s pro Richtung
  6. maximal 60 Watt für PCI-EXPRESS x16
  7. Belastung mit Grafikkarten mit höhstens 450 Gramm
 
  1. Maximal 42 Watt aus dem AGP-Port
  2. Belastung durch Grafikkarten mit höhstens 250 Gramm
  3. 2 GB/s mit AGP8X

Im Moment wird PCI-Express kaum ausgenutzt, da es kaum Anwendungen gibt, die für eine Auflösung von 1600*1200 und mehr ausgelegt sind.

Grafikkartenverbund

3dfx SLI
Erstmals wurde diese Technik von der Grafikschmiede 3dfx benutzt. 3dfx stellte 3D-Beschleuniger Karten her, diese wurden mit einer vorhandenen 2D Grafikkarte mit einem analogen Monitorkabel miteinander verbunden. Zwei gleiche Voodoo2 3D-Beschleuniger Karten wurden in einem Rechner zusammengeschaltet. Dies steigerte die 3D-Leistung enorm und ermöglichte eine Auflösung von 1024x768 Pixeln.Die zwei Karten konnten durch ein spezielles SLI-Kabel miteinander verbunden werden. Danach teilten sich beide die Arbeit, wobei ein Chip die geraden, der andere die ungeraden Zeilen zu bearbeiten hatte.

Das ist das SLI-Kabel Verbindungskabel zwischen 2D und 3D Karte


 
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0.065 seconds - 50 queries
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