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NetBSD 6.1.5 - man page for acardide (netbsd section 4)

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ACARDIDE(4)			   BSD Kernel Interfaces Manual 		      ACARDIDE(4)

NAME
     acardide -- acard IDE disk controllers driver

SYNOPSIS
     acardide* at pci? dev ? function ? flags 0x0000

DESCRIPTION
     The acardide driver supports the following IDE controllers:

	   Acard ATP850U Ultra33

	   Acard ATP860 Ultra66

	   Acard ATP860-A Ultra66

	   Acard ATP865-A Ultra100

     It provides the interface with the hardware for the ata(4) driver.

     The 0x0002 flag forces the acardide driver to disable DMA on chipsets for which DMA would
     normally be enabled.  This can be used as a debugging aid, or to work around problems where
     the IDE controller is wired up to the system incorrectly.

SEE ALSO
     ata(4), atapi(4), intro(4), pci(4), pciide(4), wd(4), wdc(4)

BUGS
     The timings used for the PIO and DMA modes for controllers listed above are for a PCI bus
     running at 30 or 33 MHz.  This driver may not work properly on overclocked systems.

BSD					 October 24, 2003				      BSD
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