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Command: sbus | Section: 4 | Source: OpenBSD | File: sbus.4
SBUS(4) FreeBSD Kernel Interfaces Manual SBUS(4)
NAME
sbus - introduction to SBus bus support
SYNOPSIS
sbus* at mainbus?
sbus* at xbox?
DESCRIPTION
These sbus attachments are specific to the sparc64 port.
sbus is an I/O interconnect bus mostly found in SPARC workstations and
small to medium server class systems. It supports both on-board
peripherals and extension boards. The sbus specifications define the bus
protocol as well as the electrical and mechanical properties of the
extension slots.
OpenBSD provides support for the following devices. Note that not all
architectures support all devices.
Audio interfaces
audiocs(4) SPARC CS4231 audio device
SCSI interfaces
esp(4) ESP NCR 53c94 on-board or SBus SCSI interface
qla(4) QLogic ISP2100/2200/2300 Fibre Channel controller
qlw(4) QLogic ISP1000/1020/1x40/1x80/1x160 SCSI controller
Network interfaces
be(4) SPARC 10/100 Ethernet device
gem(4) GEM 10/100/1Gb Ethernet device
hme(4) Sun Happy Meal 10/100 Ethernet device
le(4) AMD LANCE Ethernet device
lebuffer(4), ledma(4)
AMD LANCE Ethernet device
qe(4) SPARC 10/100 Ethernet device
qec(4) SPARC Quad Ethernet Controller
ti(4) Alteon Networks Tigon I and II Gigabit Ethernet device
Bridges
stp(4) SBus PCMCIA bridge
Graphics devices
agten(4) Fujitsu AG-10e accelerated 24-bit color frame buffer
bwtwo(4) Monochromatic 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
rfx(4) Vitec/Connectware/AP&D RasterFlex framebuffer series
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
zs(4) Zilog 8530 (ZSCC) serial communications driver
Miscellaneous devices
auxio(4) Miscellaneous I/O controls
clock(4) real-time clock
fdc(4) NEC765 compatible floppy disk driver
uperf(4) Performance counters on the host bridge
xbox(4) SBus Expansion subsystem
SEE ALSO
intro(4)
HISTORY
The machine-independent sbus subsystem appeared in NetBSD 1.3. OpenBSD
support first appeared in OpenBSD 2.0.
FreeBSD 14.1-RELEASE-p8 September 8, 2021 FreeBSD 14.1-RELEASE-p8