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):
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
- NEC PC-9801N-J03R
- 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⟩.