sw man page on OpenBSD

sw man page on OpenBSD

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SW(4)		      OpenBSD Programmer's Manual (SPARC)		 SW(4)

NAME
     sw - NCR 5380 SCSI Weird Sun 4/100 on-board SCSI controller

SYNOPSIS
     sw0     at obio0 addr 0xfa000000 level 3 (sun4/100)
     #sw0     at obio0 addr 0xfa000000 level 3 flags 0x07 (sun4/100)
     scsibus* at sw?

DESCRIPTION
     The sw is the Sun 4/100 on-board SCSI controller based on the NCR 5380
     chip, found only on Sun 4/100 workstations.  The sw driver is actually
     implemented as part of the si(4) driver.

DEVICE FLAGS
     0x01	   Use DMA (polled)
     0x02	   Use DMA completion interrupts
     0x04	   Allow disconnect/reconnect

     The sw device flags may be OR'd together to enable any combination of the
     features listed above.  If no flags are specified, the device will use
     polled DMA by default.

SEE ALSO
     cd(4), ch(4), esp(4), intro(4), scsi(4), sd(4), si(4), st(4), uk(4)

HISTORY
     The sw driver first appeared in NetBSD.

BUGS
     The sw driver only supports polled DMA at this time.

OpenBSD 4.9			 July 3, 2010			   OpenBSD 4.9

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