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From: phil@amdcad.AMD.COM (Phil Ngai)
Newsgroups: comp.sys.ibm.pc
Subject: Re: Using the DMA (direct memory access) chip
Message-ID: <17991@amdcad.AMD.COM>
Date: Fri, 21-Aug-87 12:49:08 EDT
Article-I.D.: amdcad.17991
Posted: Fri Aug 21 12:49:08 1987
Date-Received: Sun, 23-Aug-87 01:44:30 EDT
References: <1526@ihdev.ATT.COM> <1128@edison.GE.COM>
Reply-To: phil@amdcad.UUCP (Phil Ngai)
Organization: Advanced Micro Devices
Lines: 15

In article <1128@edison.GE.COM> spm@edison.GE.COM (Steve Monett) writes:
>The latest issue of Micro Cornucopia (Sept/Oct 1987) contains an article
>titled "DMA Control on the PC". The article goes into considerable
>detail on theory use and abuse of the 8237 DMA controller as it is used
>in the PC. You can call Micro C at (503)-382-5060 if you can't find the

Yeah, but the bozo asks "how can you do 512 refreshes in 2 ms if the
interval is 15 us?" and then doesn't answer the question. I don't know
if it was because he forgot or if he just didn't know the answer. In
either case, I am unimpressed. 

-- 
I speak for myself, not the company.

Phil Ngai, {ucbvax,decwrl,allegra}!amdcad!phil or amdcad!phil@decwrl.dec.com