Date: Wed, 29 Jul 1998 13:44:13 -0700 From: Chris Pirih <proverbs@wolfenet.com> To: aic7xxx Mailing List <AIC7xxx@FreeBSD.ORG> Subject: Re: Puzzle for Doug... Message-ID: <3.0.5.32.19980729134413.0098e800@popserv.wolfenet.com> In-Reply-To: <Pine.LNX.3.96.980729101924.6958C-100000@ganesh.phy.duke.ed u> References: <35BE5247.16EC040F@dialnet.net>
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At 11:27 AM 07/29/1998 -0400, Robert G. Brown wrote: >What if the memory was remapped to a nonexistent location? You write >to the location and there is nothing there. You read from the >location and get nulls -- obviously a parity violation but now >remapped to a location where the error comes up as NMI. I like that theory! There doesn't even have to be a write, just a read -- machines without parity/ECC memory would return 0xFF... or whatever, and machines with parity/ECC would NMI. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe aic7xxx" in the body of the message
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