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- Newsgroups: comp.sys.ibm.pc.hardware
- Path: sparky!uunet!gatech!destroyer!cs.ubc.ca!newsserver.sfu.ca!mtichy
- From: mtichy@fraser.sfu.ca (Martin Tichy)
- Subject: Re: VLB Machines and Bus Mastering - AIR Motherboards
- Message-ID: <1993Jan9.092322.932@sfu.ca>
- Sender: news@sfu.ca
- Organization: Simon Fraser University, Burnaby, B.C., Canada
- References: <1993Jan2.085153.29095@doug.cae.wisc.edu> <1993Jan7.193230.12153@zooid.guild.org>
- Date: Sat, 9 Jan 1993 09:23:22 GMT
- Lines: 15
-
- > From what I have read the current VESA open standard for local bus
- > does not support bus mastering. The VESA II spec does support it
- > but it is still under revision. Intel is working on a standard for
- > local bus that apparently does support bus mastering but I don't
- > think it's been released yet. I don't know if this helps any, but
- > at least it adds SOME useful content to a sad excuse for a pun
- > posting...
-
- You must be thinking of 1st Party DMA, not bus mastering. The
- current VESA VL-BUS spec fully supports bus-mastering. It does not
- support 1st Party DMA though. The VESA VL-BUS Mezzanine extension
- is supposed to support 1st Party DMA, as well as 10 VL-BUS slots,
- multi-plexing, as well as the PCI spec.
-
-
-