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The 8139C+ is a 10/100 ethernet chip. It is backwards compatible with the older 8139 family, however it also supports a special C+ mode of operation that provides several new performance enhancing features. These include:
Descriptor based DMA mechanism.
64-bit DMA
TCP/IP checksum offload for both RX and TX
CPU占用多可能是因为装了杀毒软件或者防火墙 |
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