Date: Mon, 12 Oct 1998 22:39:18 +0000 From: "Pete McKenna" <pmckenna@uswest.net> To: Jim Shankland <jas@flyingfox.com>, hardware@FreeBSD.ORG Subject: Re: ATX boards and restart after power failure Message-ID: <9810122239.ZM23552@otto.oss.uswest.net> In-Reply-To: Jim Shankland <jas@flyingfox.com> "ATX boards and restart after power failure" (Oct 12, 12:50pm) References: <199810121950.MAA15990@biggusdiskus.flyingfox.com>
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I've commented on this before and I may be who your refering to. We use Tyan Tahoe S1648S boards and they don't have a bios setting but do have a MB jumper right between the IDE headers that disables this "feature". Don't know if the same holds true for yours. I believe some did make a ciruit to temporarily pull the soft switch to ground for a Tyan board as well, but don't recall who. Pete On Oct 12, 12:50pm, Jim Shankland wrote: > Subject: ATX boards and restart after power failure > I know this has come up before, but I haven't found the discussion > in the archives. > > We have been building systems based on the Tyan S1572 motherboard > (ATX form factor, TX chipset). It turns out that when there's a > power failure, these systems stay down when power returns until > a human or other mammal presses the soft power-on button on the > front. Furthermore, *this "feature" cannot be disabled*. (On > the equivalent Asus board, the TX97-X, there's a BIOS option -- > "AC Pwr Loss Restart" -- to disable the "feature".) > > Now, I'm as much of a fan of power management as the next person, but > the mind-numbing stupidity of deliberately building a system that > can't be restarted without human intervention after a power failure > has me speechless (well, nearly). Maybe FreeBSD and Linux are barely > blips on these people's radar screens; but have they ever heard of > Windows NT? Or even Windows 95 users who want their machines to pick > up FAX calls around the clock? > > Anyway, enough ranting. My questions are: > > * Is this likely to be a BIOS configuration item that, for whatever > reason, was deliberately omitted from the configuration screen? > I.e., is there a software-only solution to this problem (either we > poke the CMOS by hand, or look for a BIOS update)? > > * Somebody (I think on this list) actually made a hardware mod > to their boxes to simulate "mammal pushed soft-power-on button" > when power came up. If that person or anyone else has any thoughts > on how to go about this, I'd like to hear them. > > * I'd love to hear more about which ATX Socket 7 boards are > similarly damaged. So far, the data points I have are: > > -- Asus TX97-X: OK > -- Tyan S1572: BROKEN > -- Asus P5A: BROKEN? (was told, haven't seen this myself) > > The P5A is particularly disturbing, as it's the successor to the TX97-X, > with the Aladdin chipset. If this is true, then Asus is making > negative progress. > > Thanks in advance for any information. > > Jim Shankland > Flying Fox Computer Systems, Inc. > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-hardware" in the body of the message >-- End of excerpt from Jim Shankland -- Pete McKenna <pmckenna@uswest.net> Systems Engineer US WEST - !NTERACT Internet Services To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message
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