MirOS Manual: osiop(4)

OSIOP(4)                   BSD Programmer's Manual                    OSIOP(4)

NAME

     osiop - Symbios/NCR 53C710 SCSI driver

SYNOPSIS

     osiop* at gsc? irq 9                   (hppa)
     osiop0 at pcctwo0 offset 0x47000 ipl 2 (mvme88k)
     scsibus* at osiop?

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/reselect or performance will suffer.

SEE ALSO

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

     http://www.lsilogic.com/techlib/techdocs/storage_stand_prod/

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.

MirOS BSD #10-current           March 12, 2004                               1

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