MirOS Manual: sbus(4)

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

NAME

     sbus - introduction to sbus bus support and drivers

SYNOPSIS

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

DESCRIPTION

     These sbus attachments are specific to the sparc and sparc64 ports.

     sbus is an I/O interconnect bus mostly found in SPARC workstations and
     small to medium server class systems. It supports both on-board peri-
     pherals 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

     OpenBSD includes the following sbus drivers, sorted by device type and
     driver name:

Audio interfaces

        audioamd(4)
             AMD 7990 codecs.
        audiocs(4)
             Crystal Semiconductor CS4231A codecs.

SCSI interfaces

        esp(4)
             NCR53c94 and compatible SCSI interfaces.
        isp(4)
             Qlogic SCSI interfaces.

Network interfaces

        be(4)
             "Big Mac" Ethernet board.
        hme(4)
             "Happy Meal" Ethernet interfaces.
        le(4)
             Lance 7990 series Ethernet interfaces.
        lebuffer(4), ledma(4)
             Lance 7990 series Ethernet DMA interfaces.
        qe(4)
             Quad Ethernet Controller board.

Bridges

        stp(4)
             sbus pcmcia(4) bridge.

Graphics devices

        agten(4)
             Fujitsu AG-10e accelerated 24-bit color frame buffer.
        bwtwo(4)
             Monochromatic frame buffer.
        cgfourteen(4)
             Accelerated 8/24-bit color frame buffer.
        cgsix(4)
             Accelerated 8-bit color frame buffer.
        cgthree(4)
             8-bit color frame buffer.
        cgtwelve(4)
             Accelerated 24-bit color frame buffer.
        mgx(4)
             SMS MGX and MGXPlus accelerated 24-bit color frame buffers.
        pninek(4)
             Weitek Power9000 frame buffer found on Tadpole SPARCbook 3.
        pnozz(4)
             Weitek Power9100 frame buffer found on Tadpole SPARCbook 3GS,
             3GX, 3TX and 3XP.
        rfx(4)
             Vitec/Connectware/AP&D RasterFlex framebuffer series.
        tcx(4)
             Accelerated 8/24-bit color frame buffer.
        tvtwo(4)
             Accelerated 24-bit color frame buffer.
        vigra(4)
             8-bit SBus color frame buffer with VGA-compatible modes.
        zx(4)
             Accelerated 24-bit color frame buffer.

Serial and parallel interfaces

        apio(4)
             Aurora Technologies pio1 parallel port card.
        asio(4)
             Aurora Technologies pio2 serial port card.
        bpp(4)
             Parallel port.
        magma(4)
             Magma LC series Serial/Parallel Interface cards.
        spif(4)
             Sun Serial/Parallel Interface card.

Miscellaneous devices

        auxio(4)
             Miscellaneous I/O controls.
        presto(4)
             Prestoserve battery-backed memory.
        uperf(4)
             Performance counters on the host bridge.

SEE ALSO

     agten(4), apio(4), asio(4), audioamd(4), audiocs(4), auxio(4), be(4),
     bpp(4), bwtwo(4), cgfourteen(4), cgsix(4), cgthree(4), cgtwelve(4),
     esp(4), hme(4), intro(4), isp(4), le(4), lebuffer(4), ledma(4), magma(4),
     mgx(4), pnozz(4), presto(4), qe(4), qec(4), rfx(4), spif(4), stp(4),
     tcx(4), tvtwo(4), uperf(4), vigra(4), xbox(4), zx(4)

HISTORY

     The machine-independent sbus subsystem appeared in NetBSD 1.3. OpenBSD
     support first appeared in OpenBSD 2.0.

MirOS BSD #10-current         February 29, 2004                              1

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