$NetBSD: sbus.4,v 1.5 2002/01/21 17:54:10 wiz Exp $
Copyright (c) 2001 The NetBSD Foundation, Inc.
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.Dd May 27, 2001 .Dt SBUS 4 .Os .Sh NAME .Nm sbus .Nd introduction to sbus bus support and drivers .Sh SYNOPSIS .Cd "sbus* at mainbus?" .Cd "sbus* at iommu?" .Cd "sbus* at xbox?"
p These .Nm attachments are specific to the sparc and sparc64 ports. .Sh DESCRIPTION .Nm is an I/O interconnect bus mostly found in .Tn SPARC workstations and small to medium server class systems. It supports both on-board peripherals and extension boards. The .Nm specifications define the bus protocol as well as the electrical and mechanical properties of the extension slots. .Sh HARDWARE .Ox includes the following .Nm drivers, sorted by device type and driver name: .Ss Audio interfaces l -tag -width 12n -offset ind -compact t Xr audioamd 4 .Tn AMD 7990 codecs. t Xr audiocs 4 .Tn "Crystal Semiconductor" CS4231A codecs. .El .Ss SCSI interfaces l -tag -width 12n -offset ind -compact t Xr esp 4 NCR53c94 and compatible .Tn SCSI interfaces. t Xr isp 4 Qlogic .Tn SCSI interfaces. .El .Ss Network interfaces l -tag -width 12n -offset ind -compact t Xr be 4 .Dq Big Mac .Tn Ethernet board. t Xr hme 4 .Dq Happy Meal .Tn Ethernet interfaces. t Xr le 4 .Tn Lance 7990 series .Tn Ethernet interfaces. t Xr lebuffer 4 , Xr ledma 4 .Tn Lance 7990 series .Tn Ethernet DMA interfaces. t Xr qe 4 Quad Ethernet Controller board. .El .Ss Bridges l -tag -width 12n -offset ind -compact t Xr stp 4 .Nm sbus .Xr pcmcia 4 bridge. .El .Ss Graphics devices l -tag -width 12n -offset ind -compact t Xr agten 4 Fujitsu AG-10e accelerated 24-bit color frame buffer. t Xr bwtwo 4 Monochromatic frame buffer. t Xr cgfourteen 4 Accelerated 8/24-bit color frame buffer. t Xr cgsix 4 Accelerated 8-bit color frame buffer. t Xr cgthree 4 8-bit color frame buffer. t Xr cgtwelve 4 Accelerated 24-bit color frame buffer. t Xr mgx 4 SMS MGX and MGXPlus accelerated 24-bit color frame buffers. t Xr pninek 4 Weitek Power9000 frame buffer found on Tadpole SPARCbook 3. t Xr pnozz 4 Weitek Power9100 frame buffer found on Tadpole SPARCbook 3GS, 3GX, 3TX and 3XP. t Xr tcx 4 Accelerated 8/24-bit color frame buffer. t Xr tvtwo 4 Accelerated 24-bit color frame buffer. t Xr vigra 4 8-bit SBus color frame buffer with VGA-compatible modes. t Xr zx 4 Accelerated 24-bit color frame buffer. .El .Ss Serial and parallel interfaces l -tag -width 12n -offset ind -compact t Xr apio 4 Aurora Technologies pio1 parallel port card. t Xr asio 4 Aurora Technologies pio2 serial port card. t Xr bpp 4 Parallel port. t Xr magma 4 Magma LC series Serial/Parallel Interface cards. t Xr spif 4 Sun Serial/Parallel Interface card. .El .Ss Miscellaneous devices l -tag -width 12n -offset ind -compact t Xr auxio 4 Miscellaneous I/O controls. t Xr presto 4 Prestoserve battery-backed memory. t Xr uperf 4 Performance counters on the host bridge. .El .Sh SEE ALSO .Xr agten 4 , .Xr apio 4 , .Xr asio 4 , .Xr audioamd 4 , .Xr audiocs 4 , .Xr auxio 4 , .Xr be 4 , .Xr bpp 4 , .Xr bwtwo 4 , .Xr cgfourteen 4 , .Xr cgsix 4 , .Xr cgthree 4 , .Xr cgtwelve 4 , .Xr esp 4 , .Xr hme 4 , .Xr intro 4 , .Xr isp 4 , .Xr le 4 , .Xr lebuffer 4 , .Xr ledma 4 , .Xr magma 4 , .Xr mgx 4 , .Xr pnozz 4 , .Xr presto 4 , .Xr qe 4 , .Xr qec 4 , .Xr spif 4 , .Xr stp 4 , .Xr tcx 4 , .Xr tvtwo 4 , .Xr uperf 4 , .Xr vigra 4 , .Xr xbox 4 , .Xr zx 4 .Sh HISTORY The machine-independent .Nm sbus subsystem appeared in .Nx 1.3 . .Ox support first appeared in .Ox 2.0 .