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Date:      Sun, 5 Mar 2000 19:38:46 +0200
From:      "freebsd" <george@vagner.com>
To:        "Jim C" <jconner@enterit.com>, "unclemib" <unclemib@gryphon.itssa.curtin.edu.au>, <freebsd-questions@FreeBSD.ORG>
Subject:   RE: UDMA Problems
Message-ID:  <005501bf86c9$a861e680$94082aa2@oemcomputer>
In-Reply-To: <00022801244500.01267@njhome.enterit.com>

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Also, UDMA requires an UDMA cable with 80 conductors
in it, 40 for grounds...

Maxtor drives now ship with this cable although i found
out before they did that cable length is a big issue
on these drives.


No 2 things can be the same, they cannot
exist in the same space at the same time.

-----Original Message-----
From: owner-freebsd-questions@FreeBSD.ORG
[mailto:owner-freebsd-questions@FreeBSD.ORG]On Behalf Of Jim C
Sent: Monday, February 28, 2000 8:23 AM
To: unclemib; freebsd-questions@FreeBSD.ORG
Subject: Re: UDMA Problems


Many people I have run across are not aware that UDMA drives require <= 18
inch cables.  Is the cabling you are using for your UDMA drives > 18 inches?

Jim

 On Sun, 27 Feb 2000, unclemib wrote:
| I am experiencing a few problems with UDMA/66.
|
| system is an Abit BP6 with 2 Celeron 433's, 128MB
| memory , TNT video, and Pro100/10B NIC. I have tried both
| Quantum CR (8G)  and KX (13G) drives.
|
| I keep getting a 'Read Timeout' message closely followed
| by a 'Resetting ATA' message. This works most of the time
| but every now and again the system completely hangs (I
| can consistently get these messages at random times during
| a make buildworld).
|
| Under 3.4 everything works flawlessly (except for disk speed).
|
| Has anyone else seen this? Should I wait till support for
| UDMA/66 matures in 4.X before using it?
|
| 			Regards unclemib@itssa.curtin.edu.au
|
|
|
| To Unsubscribe: send mail to majordomo@FreeBSD.org
| with "unsubscribe freebsd-questions" in the body of the message


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