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Adapter configurations 104
recommended selection is Auto and it is the default setting. To disable Flow Control, select Disable
from the Value list on the Advanced tab.
o Auto. (Default) Auto detect flow control
o Disable. PAUSE frame receipt and transmission is disabled
o Tx PAUSE. PAUSE frame transmission is enabled
o Rx PAUSE. PAUSE frame receipt is enabled
Rx/Tx PAUSE. PAUSE frame receipt and transmission is enabled
NOTE: User control of Flow Control parameter is not available for NC71xx adapters.
• Link Speed & Duplex. Allows the user to set the connection speed to the network and mode. Full-
Duplex Mode allows the adapter to transmit and receive network data simultaneously. This property
is not available for NC310F and NC61xx adapters through the Microsoft® User Interface.
o Default = Auto Detect
o Range = NC340x and NC71xx Adapters: Auto Detect; 10Mbps/Half-Duplex; 10Mbps/Full-
Duplex; 100Mbps/Half-Duplex; 100Mbps/Full-Duplex; 1000 Mbps/Full-Duplex
• Locally Administered Address. Specifies the user-defined MAC Address of the adapter, which
overrides the burned-in MAC Address. This box is disabled if the selected adapter has been teamed.
o Default = Not Present
o Range = Value; Not Present
• Number of Receive Descriptors. Specifies the number of buffers used by the driver when copying
data to the protocol memory. In high network load situations, increasing receive descriptors can
increase performance. The tradeoff is that this also increases the amount of system memory used by
the driver. If too few receive buffers are used, performance suffers. If too many receive buffers are
used, the driver unnecessarily consumes memory resources.
o Default
NC110x, NC310F, NC340x, NC360x, NC364x, NC6170, and NC7170 = 256
All others = 160
o Range
NC6132, NC6133, and NC6134 = 80–768 (increments of 8)
NC6136, NC7131, and NC7132 = 80–256 (increments of 8)
NC310F, NC340x, NC6170, and NC7170 = 80–4096 (increments of 8)
NC110x, NC360x, and NC364x = 80-2048 (increments of 8)
• Number of Transmit Descriptors. Specifies the number of resources allocated to transmit packets.
o Default = 256
o Range
NC6132, NC6133, and NC6134 = 80–768 (increments of 8)
NC6136, NC7131, and NC7132 = 80–256 (increments of 8)
NC310F, NC340x, NC6170, and NC7170 = 80–4096 (increments of 8)
NC110x, NC360x, and NC364x = 80-2048 (increments of 8)