NAME

       ncv — NCR 53C500 based SCSI host adapter driver

SYNOPSIS

       To compile this driver into the kernel, place the following lines in your kernel configuration file:

             device scbus
             device ncv

       Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):

             ncv_load="YES"

DESCRIPTION

       The ncv driver provides access to the SCSI bus connected to an NCR 53C500 based PC-Card SCSI host adapter
       or an Adaptec AHA-2920 on the PCI bus.

HARDWARE

       The following devices are currently supported by the ncv driver:

       •   I-O DATA PCSC-DV
       •   KME KXLC002 (TAXAN ICD-400PN, etc.), KXLC004, and UJDCD450
       •   Macnica Miracle SCSI-II mPS110
       •   Media Intelligent MSC-110, MSC-200
       •   New Media Corporation BASICS SCSI
       •   Qlogic Fast SCSI
       •   RATOC REX-9530, REX-5572 (SCSI only)

DIAGNOSTICS

       The following error messages are sometimes returned:

       SCSI BUS RESET failed  Usually returned when a failure occurs during the bus reset.

       CMD_NOP failed  No operation or the operation has failed.

       CMD_NOP|CMD_DMA  A failure occurred during the DMA read/write operations.

       The ncv driver should return [ENODEV] when any of the previously noted failures occur.

SEE ALSO

       cardbus(4), cd(4), da(4), pccard(4), sa(4), scsi(4)

HISTORY

       The  ncv  device  driver  has been developed for NetBSD/pc98 and ported to FreeBSD.  The ncv driver first
       appeared in FreeBSD 2.2 with PAO and merged in FreeBSD 4.2.

AUTHORS

       The  ncv  driver  was  written  by  Naofumi  Honda.   This  manual  page  was  written  by   Tom   Rhodes
       <trhodes@FreeBSD.org> and Noriaki Mitsunaga <non@FreeBSD.org>.

Debian                                           August 10, 2004                                          NCV(4)