compatible hard disk controller driver
wdc0 at isa? port 0x1f0 irq 14 flags 0x00
wdc1 at isa? port 0x170 irq 15 flags 0x00
wdc* at isapnp?
wdc* at macobio?
wdc* at kauaiata?
wdc0 at obio? port 0x14000000 irq 10
# all architectures
wdc* at pcmcia?
atapiscsi* at wdc?* flags 0x0000
wd* at wdc? flags 0x0000
driver provides the basic functions for the
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
provide more functionality.
For the isa(4)
to 0x01 enables 32-bit I/O
negotiation. This is known to cause problems with some motherboards.