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136:DNS–’“o˜^‚³‚ρ
03/05/07 01:31 .net
>>135

‚»‚ρ‚ΘŠIƒ}ƒ“ƒZ[‚Θ‘”‘O‚Ι‘—‚ιƒŒƒNƒCƒGƒ€B

`FreeBSD‚ΜRealTekƒhƒ‰ƒCƒo(if_rl.c)‚ΜƒRƒƒ“ƒg‚ζ‚θ`
hRealTek 8139 PCI NIC‚́Auƒ[ƒGƒ“ƒhv‚ΜˆΣ–‘‚πΔ’θ‹`‚΅‚ά‚·B
‚±‚κ‚́ASMC‚Ι‚ζ‚Α‚čμ‚η‚κ‚½FEASTƒ`ƒbƒv‚π‰Β”\‚Θ—αŠO‚Ζ‚΅‚āA‹°‚η‚­
‘‚܂ōμ‚η‚κ‚½Εˆ«‚ΜPCI ethernetƒRƒ“ƒgƒ[ƒ‰[‚Ε‚·B8139‚ΝƒoƒX
ƒ}ƒXƒ^[DMA‚πƒTƒ|[ƒg‚΅‚ά‚·B‚΅‚©‚΅A‚»‚κ‚́AƒoƒXƒ}ƒXƒ^[DMA‚ͺ
’ʏν’ρަ‚·‚ι‚·‚Χ‚Δ‚ΜŽΐsŽϋ‰v‚π–³Œψ‚Ι‚·‚ιA‹°‚λ‚΅‚’ƒCƒ“ƒ^[ƒtƒF[ƒX
‚πŽ‚Α‚Δ‚’‚ά‚·Bh
(The RealTek 8139 PCI NIC redefines the meaning of 'low end.' This is
probably the worst PCI ethernet controller ever made, with the possible
exception of the FEAST chip made by SMC. The 8139 supports bus-master
DMA, but it has a terrible interface that nullifies any performance
gains that bus-master DMA usually offers.)



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