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- #
- # Plug and Play BIOS configuration
- #
- config PNPBIOS
- bool "Plug and Play BIOS support (EXPERIMENTAL)"
- depends on ISA && X86 && EXPERIMENTAL
- default n
- ---help---
- Linux uses the PNPBIOS as defined in "Plug and Play BIOS
- Specification Version 1.0A May 5, 1994" to autodetect built-in
- mainboard resources (e.g. parallel port resources).
- Some features (e.g. event notification, docking station information,
- ISAPNP services) are not currently implemented.
- If you would like the kernel to detect and allocate resources to
- your mainboard devices (on some systems they are disabled by the
- BIOS) say Y here. Also the PNPBIOS can help prevent resource
- conflicts between mainboard devices and other bus devices.
- Note: ACPI is expected to supersede PNPBIOS some day, currently it
- co-exists nicely. If you have a non-ISA system that supports ACPI,
- you probably don't need PNPBIOS support.
- config PNPBIOS_PROC_FS
- bool "Plug and Play BIOS /proc interface"
- depends on PNPBIOS && PROC_FS
- ---help---
- If you say Y here and to "/proc file system support", you will be
- able to directly access the PNPBIOS. This includes resource
- allocation, ESCD, and other PNPBIOS services. Using this
- interface is potentially dangerous because the PNPBIOS driver will
- not be notified of any resource changes made by writing directly.
- Also some buggy systems will fault when accessing certain features
- in the PNPBIOS /proc interface (e.g. "boot" configs).
- See the latest pcmcia-cs (stand-alone package) for a nice set of
- PNPBIOS /proc interface tools (lspnp and setpnp).
- Unless you are debugging or have other specific reasons, it is
- recommended that you say N here.
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