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OSIOP(4)                 BSD Kernel Interfaces Manual                 OSIOP(4)

NAME
     osiop -- Symbios/NCR 53C710 SCSI driver

SYNOPSIS
     osiop* at gsc? irq 9                   (hppa)

DESCRIPTION
     The osiop driver provides support for the Symbios/NCR 53C710 SCSI con-
     troller chip.

     The Symbios/NCR 53C700 SCSI controller is handled by the oosiop(4)
     driver, while the Symbios/NCR 53C8xx PCI SCSI host adapters are handled
     by the siop(4) driver.

CONFIGURATION
     The osiop driver supports the following flags for use in config(8) files:

     bits 0-7:   disable disconnect/reselect for the corresponding SCSI target
     bits 8-15:  disable synchronous negotiation for SCSI target
     bits 16:    disable DMA interrupts

     "Target" is synonymous with SCSI ID number.

     Note that SCSI tape drives should be allowed to perform disconnect/rese-
     lect or performance will suffer.

SEE ALSO
     cd(4), ch(4), intro(4), oosiop(4), scsi(4), sd(4), siop(4), st(4), uk(4)

     http://www.lsilogic.com/

HISTORY
     The osiop driver first appeared in NetBSD 1.6.

     The original NCR 53C710 driver appeared in NetBSD 1.0 amiga port, and
     Izumi Tsutsui <tsutsui@ceres.dti.ne.jp> modified the driver and made it
     machine-independent.

BSD                             March 18, 2014                             BSD