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Newsgroups: comp.unix.bsd Path: sserve!manuel.anu.edu.au!munnari.oz.au!uunet!zaphod.mps.ohio-state.edu!darwin.sura.net!jvnc.net!nuscc!ntuix!eoahmad From: eoahmad@ntuix.ntu.ac.sg (Othman Ahmad) Subject: Re: DMA disk controllers Message-ID: <1992Oct25.045047.29452@ntuix.ntu.ac.sg> Organization: Nanyang Technological University - Singapore X-Newsreader: TIN [version 1.1 PL6] References: <1732@optigfx.optigfx.com> Date: Sun, 25 Oct 1992 04:50:47 GMT Lines: 14 Mike Murphy (mrm@optigfx.com) wrote: : Yes, I know that insw and outsw are faster with a super-zorch CPU, but the : DMA ought to be fast enough, and it would offload the CPU if the DMA setup : didn't take more CPU than the DMA saved. You cannot offload the CPU becaue the DMA take full control of the bus. : -- Othman bin Ahmad, School of EEE, Nanyang Technological University, Singapore 2263. Internet Email: eoahmad@ntuix.ntu.ac.sg Bitnet Email: eoahmad@ntuvax.bitnet