From owner-freebsd-current  Thu Mar 15  7:54: 0 2001
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From: Soren Schmidt <sos@freebsd.dk>
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Subject: HEADS UP!! changes to the ATA system..
To: current@freebsd.org
Date: Thu, 15 Mar 2001 16:53:56 +0100 (CET)
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Well, finally atacontrol is born (yes it is still infantile).

That means some things has changed, to name a few:

1. The sysctl hw.atamodes does no longer exist.

2. The options ATA_ENABLE_ATAPI_DMA, ATA_ENABLE_WC, ATA_ENABLE_TAGS
   no longer exists.

3. There are new tunables to set the boot behavior etc, see ata.4

4. Atacontrol can change the transfermodes etc on devices, and allows
   for detach/attach/reinit of ATA/ATAPI devices, for more see atacontrol.8

Let me know of any problems you may encounter...

Enjoy!

-Søren

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