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SBUS(4)			 BSD Kernel Interfaces Manual		       SBUS(4)

NAME
     SBus — introduction to machine-independent SBus bus support and drivers

SYNOPSIS
     sbus* at mainbus?
     sbus* at iommu?
     sbus* at xbox?

     These
     SBus attachments are specific to the NetBSD/sparc and NetBSD/sparc64
	   ports.

DESCRIPTION
     SBus is a I/O interconnect bus mostly found in SPARC workstations and
     small to medium server class systems.  It supports both on-board periph‐
     erals and extension boards.  The SBus specifications define the bus pro‐
     tocol as well as the electrical and mechanical properties of the exten‐
     sion slots.

HARDWARE
     NetBSD includes machine-independent SBus drivers, sorted by device type
     and driver name:

   SCSI interfaces
	   esp	     NCR53c94 and compatible SCSI interfaces.

	   isp	     Qlogic SCSI interfaces.

   Network interfaces
	   le	     Lance 7990 series Ethernet interfaces.

	   hme	     “Happy Meal” Ethernet interfaces.

	   en	     Midway-based Efficient Networks Inc. and Adaptec ATM
		     interfaces.

	   be	     “Big Mac” Ethernet board.

	   qe	     Quad Ethernet Controller board.

   Bridges
	   xbox	     an Sbus expansion box.

   Graphics devices
	   bwtwo     framebuffer device.

	   cgthree   framebuffer device.

	   cgsix     framebuffer device.

	   pnozz     framebuffer device.

	   tcx	     framebuffer device.

	   zx	     framebuffer device.

   Audio devices
	   audiocs   CS4231 codec.

   Serial interfaces
	   magma     Magma Serial/Parallel combo device.

   Floppy interfaces
	   fdc	     Floppy disk controller

SEE ALSO
     audiocs(4), be(4), bwtwo(4), cgsix(4), cgthree(4), en(4), esp(4), fdc(4),
     hme(4), intro(4), isp(4), le(4), magma(4), pnozz(4), qe(4), tcx(4),
     xbox(4), zx(4)

HISTORY
     The machine-independent SBus subsystem appeared in NetBSD 1.3.

BSD				January 7, 2009				   BSD

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