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), intro(4), ioasic(4), scsi(4), sd(4), st(4), tc(4), tcds(4)


HISTORY

     The asc driver first appeared in 4.4BSD.

NetBSD 3.1.1                    August 26, 2001                   NetBSD 3.1.1