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From: Nathan Whitehorn <nwhitehorn@FreeBSD.org>
Date: Thu, 29 Oct 2009 13:27:14 +0000 (UTC)
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Subject: cvs commit: src/sys/dev/ata ata-all.h
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nwhitehorn    2009-10-29 13:27:14 UTC

  FreeBSD src repository

  Modified files:
    sys/dev/ata          ata-all.h 
  Log:
  SVN rev 198582 on 2009-10-29 13:27:14Z by nwhitehorn
  
  Turn off use of ATA_A_4BIT on modern hardware. This flag was already
  obsoleted in 1996 by ATA-2, and crashes some modern hardware like some
  revisions of the Serverworks K2 SATA controller. Even very ancient
  hardware seems not to require it. In the unlikely event this causes
  problems, the previous behavior can be re-enabled by defining
  ATA_LEGACY_SUPPORT at the top of this file.
  
  Reviewed by:    Alexander Motin <mav@freebsd.org>
  
  Revision  Changes    Path
  1.147     +10 -1     src/sys/dev/ata/ata-all.h