SBUS(4)                 NetBSD 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 peripher-
     als and extension boards. The SBus specifications define the bus protocol
     as well as the electrical and mechanical properties of the extension
     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.

SEE ALSO
     audiocs(4), be(4), bwtwo(4), cgsix(4), cgthree(4), en(4), esp(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.

NetBSD 5.0.1                    March 28, 2007                    NetBSD 5.0.1

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