Date: Thu, 06 Dec 2001 21:52:00 -0700 From: Warner Losh <imp@harmony.village.org> To: Alfred Perlstein <bright@mu.org> Cc: "PSI, Mike Smith" <mlsmith@mitre.org>, hackers@FreeBSD.ORG Subject: Re: Tracking down system freeze Message-ID: <200112070452.fB74q0M95492@harmony.village.org> In-Reply-To: Your message of "Thu, 06 Dec 2001 13:14:24 CST." <20011206131424.T92148@elvis.mu.org> References: <20011206131424.T92148@elvis.mu.org> <20011205144450.L92148@elvis.mu.org> <3C0E641B.F65BAC6@mitre.org> <20011205144450.L92148@elvis.mu.org> <200112060500.fB650MM86929@harmony.village.org>
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In message <20011206131424.T92148@elvis.mu.org> Alfred Perlstein writes: : * Warner Losh <imp@harmony.village.org> [011205 23:00] wrote: : > In message <20011205144450.L92148@elvis.mu.org> Alfred Perlstein writes: : > : What you do is fold a paperclip then use it to make the last : > : two pins of the ISA bus short: : > : > and it doesn't work on PCI bus, or any other bus than ISA (except : > maybe EISA). I have a small ISA card that I have connected to the : > parallel port for remote NMI generation/reset. But it is a gross : > hack. : : It will work so long as none of the busses leading from ISA to the : cpu are locked up. So it will work on a PCI system so long as the : PCI bus or system bus is not locked. No, I was saying that the PCI bus can't generate an NMI with a paperclip. That's all :-) Warner To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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