Date: Sun, 24 Sep 2000 19:59:20 -0700 From: David Burton <odyseus2000@earthlink.net> To: Patrick Bihan-Faou <patrick@mindstep.com> Cc: freebsd-stable@FreeBSD.org Subject: Re: UDMA write errors on stable and release Message-ID: <20000924195920.A269@slick.earthlink.net> In-Reply-To: <0bef01c02639$6f8c4930$040aa8c0@local.mindstep.com>; from patrick@mindstep.com on Sun, Sep 24, 2000 at 11:09:29AM -0400 References: <39C94161.19E4D26B@urx.com> <200009241056.e8OAu4E00813@oblomow.demon.nl> <0bef01c02639$6f8c4930$040aa8c0@local.mindstep.com>
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Just for information and to cutdown on confusion. The UDMA 66, 100 cables are 40 pins (same as standard IDE) 80 conductors. Standard IDE cable are 40 pin 40 conductors. The added conductors are for shielding. It also has a lifted pin or hole in one of the connectors(on the newer cables) this is the end that should go to the mainboard connector. (per ASUS Motherboard man CUV4X) mit fruendlichen gruessen, David On Sun, Sep 24, 2000 at 11:09:29AM -0400, Patrick Bihan-Faou wrote: > > > > Since switching to a new motherboard I get the following errors: > > > > > > > > Sep 14 22:37:27 oblomow /kernel.GENERIC: ad0: UDMA ICRC WRITE ERROR > blk# 2523344 retrying > > > > Sep 14 22:37:27 oblomow /kernel.GENERIC: ad0: UDMA ICRC WRITE ERROR > blk# 2535904 retrying > > > > > > > > Not only with this installation ( 4.1 Release ) but also with 4.1 > stable (see > > > > attached messages file) > > > > > > > > I changed from an Abit AX5 motherboard with a K6 to an Abit KT7 with a > Duron 600 > > > > (Via chipset). > > > > Eventually these errors disappear because the system decides to switch > to > > > > PIO4 mode for disk access. I have gone through the mailing list > archive and > > > > found several more reports about this, but no solution there. > > [...] > > > Does anybody know if switching cable or changing BIOS settings might > > have any effect? > > > Make sur you have the right type of cable for your disks. I add the same > problem on a ASUS K7 motherboard and the reason for it was that the IDE > cable was not "ATA-66 ready". These cables use twice as many connectors as > the "classic" IDE cables. When freeBSD boots it correctly detects the chip > set and the disks, but does detect the fact that the cable will not support > ATA-66 until it tries to access the disk. It then falls back to PIO-4 mode. > > > Good luck, > > Patrick. > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-stable" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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