freebsd-dev/share/man/man4/ncv.4
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PR:		191174
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2014-06-26 21:46:14 +00:00

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.\" Copyright (C) 2003 The FreeBSD Project. All rights reserved.
.\" Copyright (c) 2003 Noriaki Mitsunaga. All rights reserved.
.\"
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.\" $FreeBSD$
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.Dd August 10, 2004
.Dt NCV 4
.Os
.Sh NAME
.Nm ncv
.Nd "NCR 53C500 based SCSI host adapter driver"
.Sh SYNOPSIS
To compile this driver into the kernel,
place the following lines in your
kernel configuration file:
.Bd -ragged -offset indent
.Cd "device scbus"
.Cd "device ncv"
.Ed
.Pp
Alternatively, to load the driver as a
module at boot time, place the following line in
.Xr loader.conf 5 :
.Bd -literal -offset indent
ncv_load="YES"
.Ed
.Sh DESCRIPTION
The
.Nm
driver provides access to the
.Tn SCSI
bus
connected to an NCR 53C500 based
PC-Card
.Tn SCSI
host adapter or an Adaptec AHA-2920 on the
.Tn PCI
bus.
.Sh HARDWARE
The following devices are currently supported by the
.Nm
driver:
.Pp
.Bl -bullet -compact
.It
I-O DATA PCSC-DV
.It
KME KXLC002 (TAXAN ICD-400PN, etc.), KXLC004, and UJDCD450
.It
Macnica Miracle SCSI-II mPS110
.It
Media Intelligent MSC-110, MSC-200
.It
NEC PC-9801N-J03R
.It
New Media Corporation BASICS SCSI
.It
Qlogic Fast SCSI
.It
RATOC REX-9530, REX-5572 (SCSI only)
.El
.Sh DIAGNOSTICS
The following error messages are sometimes returned:
.Bl -diag
.It "SCSI BUS RESET failed"
Usually returned when a failure occurs during
the bus reset.
.It "CMD_NOP failed"
No operation or the operation has failed.
.It "CMD_NOP|CMD_DMA"
A failure occurred during the
.Tn DMA
read/write operations.
.El
.Pp
The
.Nm
driver should return
.Bq Er ENODEV
when any of the previously noted failures occur.
.Sh SEE ALSO
.Xr cardbus 4 ,
.Xr cd 4 ,
.Xr da 4 ,
.Xr pccard 4 ,
.Xr sa 4 ,
.Xr scsi 4
.Sh HISTORY
The
.Nm
device driver has been developed for
.Nx Ns / Ns Tn pc98
and ported to
.Fx .
The
.Nm
driver first appeared in
.Fx 2.2
with
.Tn PAO
and merged in
.Fx 4.2 .
.Sh AUTHORS
.An -nosplit
The
.Nm
driver was written by
.An Naofumi Honda .
This manual page was written by
.An Tom Rhodes Aq Mt trhodes@FreeBSD.org
and
.An Noriaki Mitsunaga Aq Mt non@FreeBSD.org .