From owner-freebsd-stable  Wed Aug 23 13:20:39 2000
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Date: Wed, 23 Aug 2000 16:21:14 -0400 (EDT)
From: Adam <bsdx@looksharp.net>
To: Alex Hayward <xelah@xelah.com>
Cc: freebsd-stable@FreeBSD.ORG
Subject: Re: UDMA66 not recognized
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>As an aside I have the VIA 82C686, which is also ATA-66...it's detected as
>ATA-66, the disk is reported as being used with UDMA66 but I /still/ don't
>get UDMA66 speeds out of it. Instead I get ~22MB/s (from both the start
>and end of the disk), even if I take the other devices off the other
>channel. This is with both CURRENT and STABLE.
>
>My dmesg:
>
>ad0: 29314MB <IBM-DTLA-307030> [59560/16/63] at ata0-master using UDMA66

Sorry, but you cannot expect 66MB/sec from a single hard drive, not with
todays hard drives at least.  Not ide, not scsi, not windows, not
unix.  22 is a good number for a 30g IDE drive.  



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