MirBSD manpage: wdc(4)

WDC(4)                     BSD Programmer's Manual                      WDC(4)

NAME

     wdc - WD100x compatible hard disk controller driver

SYNOPSIS

     # alpha/i386
     wdc0 at isa? port 0x1f0 irq 14 flags 0x00
     wdc1 at isa? port 0x170 irq 15 flags 0x00
     wdc* at isapnp?

     # macppc
     wdc* at macobio?
     wdc* at kauaiata?

     # all architectures
     wdc* at pcmcia? function ?

     atapiscsi* at wdc?* channel ? flags 0x0000
     wd* at wdc? drive ? flags 0x0000

DESCRIPTION

     The wdc driver provides the basic functions for the wd(4) and
     atapiscsi(4) drivers. It supports IDE and EIDE controllers, as well as
     MFM, RLL, and ESDI on the ISA bus. PCI IDE controllers in legacy mode are
     also supported, but the pciide(4) driver may provide more functionality.

     For the isa(4) front-end, setting flags to 0x01 enables 32-bit I/O nego-
     tiation. This is known to cause problems with some motherboards.

SEE ALSO

     atapiscsi(4), intro(4), isa(4), isapnp(4), macobio(4), pciide(4),
     pcmcia(4), scsi(4), wd(4)

MirBSD #10-current             October 15, 1998                              1

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