pnpbios — support for embedded devices on the motherboard
Contents
Caveats
There is no explicit way to disable individual embedded devices. The pnpbios driver will find all
devices reported by the “Plug and Play (PnP)” BIOS and try to activate them all.
There is no way to explicitly assign particular resource to a device. The resource assignment is fully
automatic and there is no provision for manual override.
Debian September 20, 2001 PNPBIOS(4)
Description
The pnpbios driver enumerates embedded ISA devices on the motherboard whose BIOS supports “Plug and Play
BIOS Specification”. It assigns ISA bus resources (interrupt line, DMA channel, I/O ports, and memory
region) to each device and activates it.
If it cannot assign necessary resources to a device without causing conflict with other devices in the
system, the device will not be activated and will be unavailable to programs.
History
The pnpbios driver first appeared in FreeBSD 4.0.
Name
pnpbios — support for embedded devices on the motherboard
See Also
pnp(4)
Standards
Compaq, Phenix, and Intel, PlugandPlayBIOSSpecificationVersion1.0A, May 5, 1994.
Compaq, Phenix, and Intel, PlugandPlayBIOSCLARIFICATIONPaperforPlugandPlayBIOSSpecificationVersion1.0A, October 6, 1994.
