NCV (4) | Special files and drivers | Unix Manual Pages | :man▋
ncv - "NCR 53C500 based SCSI host adapter driver"
.Cd "device ncv"
.Cd "device scbus"
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.
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)
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.
cardbus(4), cd(4), da(4), pccard(4), sa(4), scsi(4)