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IXPIDE(4) BSD Kernel Interfaces Manual IXPIDE(4)
ixpide -- PCI IDE disk controllers driver
ixpide* at pci? dev ? function ? flags 0x0000
The ixpide driver supports the ATI Technologies IXP IDE controller, and provides the inter-
face with the hardware for the ata(4) driver.
The 0x0002 flag forces the ixpide driver to disable DMA on chipsets for which DMA would nor-
mally 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.
The supported IDE controllers are
o ATI SB200
o ATI SB300
o ATI SB400, Parallel ATA
o ATI SB400, Serial ATA
o ATI SB700, Serial and Parallel ATA
ata(4), atapi(4), intro(4), pci(4), pciide(4), wd(4), wdc(4)
Some SB700 controllers can hang under load when Native IDE mode is selected in the system
BIOS, but work fine in AHCI mode.
BSD October 16, 2008 BSD
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