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- Path: sparky!uunet!zaphod.mps.ohio-state.edu!sdd.hp.com!ux1.cso.uiuc.edu!news.cso.uiuc.edu!uxa.cso.uiuc.edu!jas37876
- From: jas37876@uxa.cso.uiuc.edu (John A. Slagel)
- Subject: Re: DMA memory->memory question
- References: <1993Jan23.151648.24614@daimi.aau.dk>
- Message-ID: <C1F2Iq.4Iu@news.cso.uiuc.edu>
- Sender: usenet@news.cso.uiuc.edu (Net Noise owner)
- Organization: University of Illinois at Urbana
- Date: Mon, 25 Jan 1993 15:47:13 GMT
- Keywords: DMA
- Lines: 18
-
- pjunold@daimi.aau.dk (Peter Joachim Unold) writes:
-
- >Questions:
-
- >1) Does memory->memory DMA, in the mainmemory work on all PCs?
-
- No. Even if it did, the REP MOVSD is faster.
- This was a topic of conversation a year ago. This was the conclusion
- that was reached. There was one guy who knew what hardware needed
- to be implemented... he said that technically, it should work, but
- most motherboard manufacturers don't bother putting that circuitry
- in because its not supported.
-
- --
- -----------------------------------------------------------------------------
- John A. Slagel "My old man used to tell me, before he left this
- j-slagel1@uiuc.edu shitty world, never chase buses or women- you
- (217) 337-7930 always get left behind." -The Marlboro Man
-