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Enabling NetDMA
Mis à jour: septembre 2010
S'applique à: Windows Server 2008 R2
NETDMA provides services for offloading the memory copy operation performed by the networking subsystem, when receiving network packets, to a dedicated DMA engine.
 Important |
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| NetDMA must be enabled in the BIOS before performing this procedure. NetDMA support is often labeled IOAT support. See the computer manufacturer’s documentation for information about modifying BIOS settings. |
 Attention |
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| Une modification incorrecte du Registre peut endommager gravement votre système. Avant d'apporter des modifications au Registre, il est conseillé de sauvegarder les données de valeur stockées dans l'ordinateur. |
To enable or disable NetDMA
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Pour ouvrir Éditeur du Registre, cliquez sur Démarrer, sur Exécuter, tapez regedit, puis cliquez sur OK.
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Locate the registry sub-key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters and click it.
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Locate the EnableTCPA registry entry. If this registry entry does not exist, right-click the Parameters sub-key, point to New, and then click DWORD (32-bit) Value).
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Replace New Value #1 by typing EnableTCPA, and then press ENTER.
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Double-click the EnableTCPA registry value you just created and do one of the following:
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To enable NetDMA, type 1 in Value data, and then click OK.
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To disable NetDMA, type 0 in Value data, and then click OK.
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To enable NetDMA, type 1 in Value data, and then click OK.
