Date: Sun, 03 Jan 1999 12:56:59 -0800 From: Mike Smith <mike@smith.net.au> To: Peter Dufault <dufault@hda.com> Cc: current@FreeBSD.ORG Subject: Re: if_ep probe failures related to reading back settings Message-ID: <199901032057.MAA07373@dingo.cdrom.com> In-Reply-To: Your message of "Sat, 02 Jan 1999 09:09:42 EST." <199901021409.JAA18234@hda.hda.com>
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> I have trouble properly reading the settings back from a 3C509 on > a 180MHz Cyrix MediaGX crash box. The result is that it won't > always probe in at boot. > > I find that by increasing the DELAY by a factor of 10 and more > importantly adding a delay before reading each serial bit of data > (I assume we're reading back a serial EEPROM): ... > Can someone check if we may be violating timings on reading that > serial bus, or is it likely that this Cyrix has an inw that is too > fast and I have to monkey with some BIOS settings? If Bill Paul can't help you (I think he has the '509 documentation), then I would just bump the delays and be done with it. I don't see reading it too slowly as being a problem, and erring on the side of caution is always desirable. -- \\ Sometimes you're ahead, \\ Mike Smith \\ sometimes you're behind. \\ mike@smith.net.au \\ The race is long, and in the \\ msmith@freebsd.org \\ end it's only with yourself. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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