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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: <1993Jan2.184313.15467@sfu.ca>
- Sender: news@sfu.ca
- Organization: Simon Fraser University, Burnaby, B.C., Canada
- References: <1993Jan2.085153.29095@doug.cae.wisc.edu>
- Date: Sat, 2 Jan 1993 18:43:13 GMT
- Lines: 30
-
- > A motherboard vendor told me that I should buy an AIR
- > motherboard because it is the only one they carry that has true bus
- > mastering VLB slots. The others, including the Micronics board
- > used in the Gateway machines, don't do bus mastering. The ATI
- > graphics cards for local bus are, he said, bus mastering cards and
- > can take advantage of the AIR board's bus mastering capability. My
- > questions to all you netlanders are:
- >
- > 1) Is it true that the VESA VLB spec allows for non bus mastering
- > cards? 2) Is this guy giving me a line of bull?
- > 3) Does anyone out there know anything about AIR (Advanced
- > Integrated Research)
- > motherboards, or has anyone benched one of theses AIR VLB
- > boards.
-
- Sounds like a humongus pile of bull to me. I have the
- proposed standardization goals in front of me and it says:
-
- - Full support of XGA and any other bus mastering device
- - Support for a maximum of three devices, either planar or
- board-level, and multiple bus masters
-
- Also in the Micronics VL-BUS spec sheets it says that the
- motherboard supports add-on-cards that can assume control of
- the bus.
-
- I have both the ATI Ultra Pro and the UltraStor 34 installed
- in my Micronics VL-BUS motherboard. They're both bus
- mastering devices and work fine.
-
-