FreeBSD-5.3/share/man/man4/ncv.4

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.\" Copyright (c) 2003 Noriaki Mitsunaga. All rights reserved.
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.\" $FreeBSD: src/share/man/man4/ncv.4,v 1.6 2004/08/10 22:17:01 simon Exp $
.\"
.Dd August 10, 2004
.Dt NCV 4
.Os
.Sh NAME
.Nm ncv
.Nd "NCR 53C500 based SCSI host adapter driver"
.Sh SYNOPSIS
.Cd "device ncv"
.Cd "device scbus"
.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 trhodes@FreeBSD.org
and
.An Noriaki Mitsunaga Aq non@FreeBSD.org .