insc(7)                        DG/UX R4.11MU05                       insc(7)


NAME
       insc - Integrated Adaptec SCSI bus adapter (88k only)

SYNOPSIS
       insc([controller-num[,adapter-id]])

DESCRIPTION
       The insc adapter allows an AViiON system to access Small Computer
       System Interface (SCSI) devices.  The adapter links a host's system
       bus to a single-ended SCSI bus.

       To access a SCSI device via the interface, you must specify the
       appropriate insc adapter as the parent bus device within the name of
       a SCSI device to be configured (e.g., st or sd).  See the scsi_bus(7)
       man page for a list of the supported child SCSI devices.

       To configure insc devices, you must add to the DG/UX system
       configuration file one or more device name entries that contain one
       of the forms described in the synopsis above.  The parameters in a
       device name have the following meanings:

       ·   The controller-num parameter is a hexadecimal number which
           identifies the particular controller device.  Since only one insc
           instance is supported, the only supported value for this
           parameter is 0.

       ·   The adapter-id parameter is a hexadecimal number which specifies
           the SCSI ID that will be used to address the adapter itself on
           its SCSI bus.  The only valid value for adapter-id is the default
           value, 7.

       An insc adapter attempts to use the SCSI synchronous data transfer
       protocol, by negotiating a synchronous offset with each device on the
       the SCSI bus.  If this negotiation fails, the asynchronous mode is
       used.

EXAMPLES
       The following entry in a DG/UX configuration file configures all SCSI
       disk units on all SCSI IDs on the only standard insc controller:

            sd(insc(),*)


       For more information about DG/UX device configuration, refer to
       "Writing a Device Driver" in Programming in the DG/UX Kernel
       Environment.

SEE ALSO
       scsi_bus(7).


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