Race Sim Central
Rec.Autos.Simulators Archive

DMA performance

1 post by 1 person · 26 Dec 1996 - 26 Dec 1996

HandyAn 26 Dec 1996#350347
What PCI bus speed should one have to obtain these 50+Mb/sec DMA speeds? I am only getting 36.4Mb/sec on my system. I think I have a PCI 2.0 compliant card on the bus that is dragging it down to 33MHz. If I start running at 66MHz on the PCI bus, I assume I will see an increase in my DMA rates. I may be totally off, I dunno. I have three cards, a Intergraph Reactor, a Adaptec 2940, and a Intel Etherexpress Pro 100 card. I know the Reactor is 2.1 compliant. But I can not seam to find anything out about the other two. Sincerely beating my head against the wall, -Andy

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