cypide(4) - NetBSD Manual Pages

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CYPIDE(4)               NetBSD Kernel Interfaces Manual              CYPIDE(4)


NAME

     cypide -- Cypress IDE disk controllers driver


SYNOPSIS

     cypide* at pci? dev ? function ? flags 0x0000


DESCRIPTION

     The cypide driver supports the Cypress 82C693 IDE controllers, and pro-
     vides the interface with the hardware for the ata(4) driver.

     The 0x0002 flag forces the cypide 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.

NetBSD 5.2                      October 8, 2003                     NetBSD 5.2