SMFB(4) - Device Drivers Manual (loongson) # SMFB(4) - Device Drivers Manual (loongson)
NAME # smfb - Silicon Motion frame buffer
SYNOPSIS # smfb* at pci? (SM712) smfb* at voyager? (SM502)
DESCRIPTION # The smfb driver supports Silicon Motion SM502 and SM712 frame buffers in 16-bit color mode.
The smfb driver interfaces the frame buffer with the wscons(4) console framework, as a wsdisplay(4) device.
It is currently not possible to change the frame buffer resolution and color depth.
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SMU(4) - Device Drivers Manual (macppc) # SMU(4) - Device Drivers Manual (macppc)
NAME # smu - Apple System Management Unit
SYNOPSIS # smu? at mainbus0
DESCRIPTION # The smu driver provides support for the System Management Unit found on Apple iMac G5 and some Power Mac G5 machines.
The System Management Unit controls the fans in these systems. It also contains the real-time clock and an I2C controller.
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SNAPPER(4) - Device Drivers Manual (macppc) # SNAPPER(4) - Device Drivers Manual (macppc)
NAME # snapper - Apple snapper audio device
SYNOPSIS # snapper* at macobio? audio* at snapper?
DESCRIPTION # The snapper driver provides support for audio hardware using the TAS3004 chip found in some macppc machines.
HARDWARE # Machines supported by the snapper driver include:
PowerBook3,4 PowerBook3,5 PowerBook4,3 PowerBook5,1 PowerBook5,2 PowerBook5,3 PowerBook5,4 PowerBook5,5 PowerBook5,6 PowerBook6,1 PowerBook6,2 PowerBook6,3 PowerBook6,4 PowerBook6,5 PowerBook6,7 PowerMac3,6 PowerMac4,4 SEE ALSO # audio(4), intro(4)
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SPC(4) - Device Drivers Manual (luna88k) # SPC(4) - Device Drivers Manual (luna88k)
NAME # spc - Fujitsu MB87030/MB89352 SCSI device
SYNOPSIS # spc0 at mainbus0 spc1 at mainbus0
DESCRIPTION # The spc driver provides support for the Fujitsu MB87030/MB89352 SCSI Protocol Controller (SPC) chips.
SEE ALSO # cd(4), ch(4), intro(4), scsi(4), sd(4), st(4), uk(4)
BUGS # Synchronous data transfers are not currently supported.
OpenBSD 7.5 - August 14, 2012
SPIF(4) - Device Drivers Manual (sparc64) # SPIF(4) - Device Drivers Manual (sparc64)
NAME # spif - SBus (spiffy) Serial/Parallel Interface
SYNOPSIS # spif* at sbus? stty* at spif? sbpp* at spif?
DESCRIPTION # The spif driver provides support for the Sun Serial/Parallel Interface card (Sun part number 501-1931) based around the Cirrus Logic CD180 octal serial controller and the Cirrus Logic PPC2 parallel port controller.
The device minor numbers for this driver are encoded as follows:
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SPKR(4) - Device Drivers Manual # SPKR(4) - Device Drivers Manual
NAME # speaker, spkr - console speaker device driver
SYNOPSIS # spkr0 at pcppi?
DESCRIPTION # The speaker device driver allows applications to control the built-in speaker on machines providing a PCPPI speaker interface.
Only one process may have this device open at any given time; open(2) and close(2) are used to lock and relinquish it. An attempt to open() when another process has the device locked will return -1 with an EBUSY error indication.
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SQPHY(4) - Device Drivers Manual # SQPHY(4) - Device Drivers Manual
NAME # sqphy - Seeq 80220/80221, 80223, 80225 and 84220 10/100 Ethernet PHY
SYNOPSIS # sqphy* at mii?
DESCRIPTION # The sqphy driver supports the Seeq 80220/80221, 80223, 80225 and 84220 10/100 Ethernet PHYs. The 80223 is a 3.3 volt version of the 80221. The 80225 is a stripped down version of the 80223. These PHYs are found on a variety of Ethernet interfaces.
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SSDFB(4) - Device Drivers Manual # SSDFB(4) - Device Drivers Manual
NAME # ssdfb - Solomon Systech SSD1306/SSD1309 OLED display module
SYNOPSIS # ssdfb* at iic? ssdfb* at spi? wsdisplay* at ssdfb?
DESCRIPTION # The ssdfb driver supports OLED display modules based on the Solomon Systech SSD1306 or SSD1309 chips. The support for partial updates in both the chip and the driver improves the display’s responsiveness. Due to the small resolution of about 128x64 the display makes most sense as a text-based terminal.
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SSIO(4) - Device Drivers Manual (hppa) # SSIO(4) - Device Drivers Manual (hppa)
NAME # ssio - National Semiconductor PC87560 Legacy IO
SYNOPSIS # ssio* at pci?
DESCRIPTION # The ssio driver provides support for the National Semiconductor PC87560 Legacy IO chip on systems with PA-8500 and later 64-bit CPUs. It configures the Programmable Interrupt Controllers integrated on the chip to route interrupts for the integrated ohci(4) USB controller (which appears as a separate PCI device).
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SSM(4) - Device Drivers Manual (sparc64) # SSM(4) - Device Drivers Manual (sparc64)
NAME # ssm - Scalable Shared Memory
SYNOPSIS # ssm* at mainbus0
DESCRIPTION # The ssm driver provides support for the Scalable Shared Memory devices found on Serengeti and Starcat systems. These devices are used to connect snoopy coherency domains together in a coherent fashion to build systems with more than 24 CPUs.
SEE ALSO # intro(4)
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