freebsd-dev/share/man/man4/wd.4

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.\"
.\" Copyright (c) 1994 Wilko Bulte
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.Dd August 31, 1994
.Dt WD 4 i386
.Os FreeBSD
.Sh NAME
.Nm wd
.Nd
Generic WD100x diskcontroller driver
.Sh SYNOPSIS
.sp
.Cd "controller wdc0 at isa? port" \&"IO_WD1\&" bio irq 14 vector wdintr
.Cd "disk wd0 at wdc0 drive 0
.Cd "disk wd1 at wdc0 drive 1
.sp
.Sh DESCRIPTION
This driver provides access to disks connected to controllers that emulate
the Western Digital WD100x series. This range of controllers includes WD1003
type ST412 controllers, WD1007 ESDI controllers and also the generic IDE
controllers found on most motherboards.
.sp
Your controller documentation is usually quick to point out any WD100x
compatibility.
.Sh FILES
.Bl -tag -width Pa -compact
.It Pa /dev/wd*
disk block device nodes
.It Pa /dev/rwd*
disk character device nodes
.It Pa /sys/i386/conf/GENERICAH
sample generic kernel config file for (a.o.) wd based systems
.It Pa /sys/i386/isa/wd.c
driver source
.El
.Sh SEE ALSO
.Xr bad144 8
.Sh NOTES
This controller/disk combo has no provisions for automatic bad block handling.
You need to run bad144(8) to check for bad blocks.