3Com EtherLink 3C985B-SX Installation And User Manual page 30

NIC Configuration Parameters (continued)
Parameter
Duplex
Speed
RxFlowControl
TxFlowControl
FDRFiltering
26
Description
When you disable link negotiation while installing a 1000Base-SX or
10/100/1000Base-T NIC, you can select either half-duplex or
full-duplex operation. If you select this field and press <Enter>, you
are prompted to choose between "full" and "half" settings:
When "full" is selected, full-duplex signaling is enabled (default).
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When "half" is selected, half-duplex signaling is used.
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If link negotiation has been disabled, you can select port speed to
be either 10Mbps, 100Mbps, or 1Gbps.
When you select this field and press <Enter>, you are prompted to
choose between "allow" and "off" settings:
When "allow" is selected, and link parameter is set to "auto,"
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the NIC negotiates 802.3x receive flow control with the device
at the other end of the link. If the other device supports 802.3x
flow control, Rx flow control is enabled.
When "off" is selected, or link parameter is "off," receive flow
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control is disabled.
When you select this field and press <Enter>, you are prompted to
choose between "allow" and "off" settings.
When "allow" is selected, and link parameter is set to "auto,"
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the NIC negotiates 802.3x transmit flow control with the device
at the other end of the link. If the other device supports 802.3x
flow control, Tx flow control is enabled.
When "off" is selected, or link parameter is "off," transmit flow
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control is disabled.
When you select this field and press <Enter>, you are prompted to
choose between "on" and "off" settings:
Use "on" if the NIC is attached to a full-duplex repeater.
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Use "off" or leave the field blank if the NIC is not connected to
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a full-duplex repeater.
NOTE: FDRFiltering is ignored on NIC models 710011 and 710012.
This parameter is included to maintain driver compatibility with
earlier models.
2 Installing the NIC Software