NAME
ncv – NCR 53C500 based SCSI host adapter driver
SYNOPSIS
device ncv device scbus
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
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 ⟨[email protected]⟩ and Noriaki Mitsunaga ⟨[email protected]⟩.