ncv(4) 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.conf5:


ncv_load="YES"

DESCRIPTION

The 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 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 driver should return Bq Er ENODEV when any of the previously noted failures occur.

HISTORY

The device driver has been developed for Nx Ns / Ns Tn pc98 and ported to Fx . The driver first appeared in Fx 2.2 with PAO and merged in Fx 4.2 .

AUTHORS

An -nosplit The driver was written by An Naofumi Honda . This manual page was written by An Tom Rhodes Aq [email protected] and An Noriaki Mitsunaga Aq [email protected] .