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ata(4) [netbsd man page]

ATA(4)							   BSD Kernel Interfaces Manual 						    ATA(4)

NAME
ata, atabus -- AT attachment (ATA) bus driver SYNOPSIS
atabus* at wdc? channel ? atabus* at pciide? channel ? atabus* at ahcisata? channel ? DESCRIPTION
The ata driver provides basic low-level functions for the wd(4) and atapi(4) drivers, for hardware which provides direct access to the ATA registers. SEE ALSO
ahcisata(4), atapi(4), intro(4), pciide(4), wd(4), wdc(4) BSD
April 28, 2011 BSD

Check Out this Related Man Page

PDCIDE(4)						   BSD Kernel Interfaces Manual 						 PDCIDE(4)

NAME
pdcide -- Promise IDE disk controllers driver SYNOPSIS
pdcide* at pci? dev ? function ? flags 0x0000 DESCRIPTION
The pdcide driver supports the Promise Ultra33, Ultra66, Ultra100, Ultra100TX2, Ultra100TX2v2, Ultra133, Ultra133TX2, Ultra133TX2v2, Fast- trak133 and Serial ATA/150 IDE controllers, and provides the interface with the hardware for the ata(4) driver. The 0x0002 flag forces the pdcide 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. The pdcide driver does NOT function correctly on NetBSD/sparc64. BSD
December 23, 2003 BSD
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