asc(4) - NetBSD Manual Pages

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ASC(4)               NetBSD/pmax Kernel Interfaces Manual               ASC(4)


NAME

     asc -- TURBOchannel single-channel SCSI adapter


SYNOPSIS

     asc* at ioasic? offset ?
     asc* at tc? slot ? offset ?
     asc* at tcds? chip?
     scsibus* at asc?


DESCRIPTION

     The asc driver provides support for the NCR 53c94-based SCSI host adapter
     on the DECstation 5000 series, and for the PMAZ-AA and related TURBOchan-
     nel SCSI-adapter option boards.  The asc is a medium-performance imple-
     mentation of the SCSI-I common command set supporting synchronous and
     asynchronous SCSI devices.  The driver provides no support for targets
     with multiple Logical Unit Numbers (LUNs).


SEE ALSO

     cd(4), ch(4), ioasic(4), pmax/intro(4), scsi(4), sd(4), st(4), tc(4),
     tcds(4)


HISTORY

     The asc driver first appeared in 4.4BSD.

NetBSD 10.99                   February 17, 2017                  NetBSD 10.99