AAC(4) - Device Drivers Manual # AAC(4) - Device Drivers Manual
NAME # aac - Adaptec SAS/SATA/SCSI RAID controller
SYNOPSIS # aac* at pci?
DESCRIPTION # The aac driver provides support for Adaptec’s “FSA” family of RAID controllers, including:
Adaptec AAC-2622, AAC-364, AAC-3642
Adaptec 2130S, 2200S, 2230SLP, 2410SA, 2610SA, 2810SA, 21610SA
Dell CERC-SATA, PERC 320/DC
Dell PERC 2/QC, PERC 2/Si, PERC 3/Si, PERC 3/Di
HP NetRaid-4M
IBM ServeRAID-8i/8k/8s
All the RAID set volume management is done via the card BIOS.
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ABCRTC(4) - Device Drivers Manual # ABCRTC(4) - Device Drivers Manual
NAME # abcrtc - Abracon AB1805 real-time clock
SYNOPSIS # abcrtc* at iic? addr 0x69
DESCRIPTION # The abcrtc driver provides support for the Abracon AB1805 real-time clock chip and similar variants.
SEE ALSO # iic(4), intro(4)
HISTORY # The abcrtc driver first appeared in OpenBSD 6.5.
AUTHORS # The abcrtc driver was written by Patrick Wildt <patrick@blueri.se>.
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ABL(4) - Device Drivers Manual # ABL(4) - Device Drivers Manual
NAME # abl - Apple backlight support
SYNOPSIS # abl* at acpi?
DESCRIPTION # The abl driver enables access to the backlight found in Intel based Apple iMac computers. It provides brightness control using the wsconsctl(8) variable display.brightness.
SEE ALSO # acpi(4), intro(4), wsconsctl(8)
HISTORY # The abl driver first appeared in OpenBSD 6.8.
AUTHORS # The abl driver was written by Marcus Glocker <mglocker@openbsd.
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ABTN(4) - Device Drivers Manual (macppc) # ABTN(4) - Device Drivers Manual (macppc)
NAME # abtn - Apple brightness/volume/eject button control
SYNOPSIS # abtn at adb?
DESCRIPTION # The abtn driver allows you to dim the brightness of your display, change the volume of your speakers and eject the disc inserted into your drive. This driver only currently recognizes the dim, brightness, volume and eject buttons. Numlock is also handled by this driver but it is silently ignored.
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ACPHY(4) - Device Drivers Manual # ACPHY(4) - Device Drivers Manual
NAME # acphy - Altima AC101 and AC101L 10/100 Ethernet PHY
SYNOPSIS # acphy* at mii?
DESCRIPTION # The acphy driver supports the Altima AC101 and AC101L 10/100 Ethernet PHYs. These PHYs are often found on low-power Ethernet interfaces, such as Mini PCI interfaces found in laptops and embedded systems.
SEE ALSO # ifmedia(4), intro(4), mii(4), ifconfig(8)
OpenBSD 7.
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ACPI(4) - Device Drivers Manual # ACPI(4) - Device Drivers Manual
NAME # acpi - Advanced Configuration and Power Interface
SYNOPSIS # acpi0 at bios?
DESCRIPTION # The acpi driver provides basic support for ACPI including loading ACPI tables from the firmware, parsing and interpreting AML code, event handling, suspending and powering off, and attaching device drivers. Userland may access acpi by using the apm(4) device.
The following devices can attach to acpi:
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ACPIAC(4) - Device Drivers Manual # ACPIAC(4) - Device Drivers Manual
NAME # acpiac - ACPI AC adapter
SYNOPSIS # acpiac* at acpi?
DESCRIPTION # The acpiac driver supports ACPI AC Adapters. Information about AC power source status (connected or disconnected) is available through this driver as a sensor. AC power source status is updated via an event when a change happens, if the implementation supports it. The sensors provided by acpiac can be monitored using sysctl(8) or sensorsd(8).
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ACPIASUS(4) - Device Drivers Manual # ACPIASUS(4) - Device Drivers Manual
NAME # acpiasus - ASUS ACPI hotkeys
SYNOPSIS # acpiasus* at acpi?
DESCRIPTION # The acpiasus driver provides support for the ACPI based hotkeys found in many ASUS laptops, including the ASUS EeePC.
SEE ALSO # acpi(4), intro(4)
HISTORY # The acpiasus driver first appeared in OpenBSD 4.4.
AUTHORS # The acpiasus driver was written by Jared D. McNeill and was ported to OpenBSD by Joel Sing <jsing@openbsd.
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ACPIBAT(4) - Device Drivers Manual # ACPIBAT(4) - Device Drivers Manual
NAME # acpibat - ACPI control method battery
SYNOPSIS # acpibat* at acpi?
DESCRIPTION # The acpibat driver supports the ACPI Control Method Battery interface between the battery and the host. Information about the battery, such as capacity, recharge rate, voltage, and serial number, is available through this driver. Battery status is updated through an event triggered when a battery changes state (such as starting to charge) and, as a failsafe if the system does not support passing such events, every 10 seconds.
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ACPIBTN(4) - Device Drivers Manual # ACPIBTN(4) - Device Drivers Manual
NAME # acpibtn - ACPI button
SYNOPSIS # acpibtn* at acpi?
DESCRIPTION # The acpibtn driver handles events triggered by ACPI buttons. Currently, only power button, sleep button and lid status events are supported.
The power button event is handled according to the machdep.pwraction sysctl(8). Valid values are:
0
Do nothing.
1
Perform a regular system shutdown and power off the machine if the hw.
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