Параметры ядра Linux:Plug and Play support

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Параметры ядра Linux | Параметры ядра Linux:Device Drivers

Plug and Play support

Plug and Play (PnP) is a standard for peripherals which allows those peripherals to be configured by software, e.g. assign IRQ's or other parameters. No jumpers on the cards are needed, instead the values are provided to the cards from the BIOS, from the operating system, or using a user-space utility.

Say Y here if you would like Linux to configure your Plug and Play devices. You should then also say Y to all of the protocols below. Alternatively, you can say N here and configure your PnP devices using user space utilities such as the isapnptools package.

If unsure, say Y.

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  PnP Debug Messages

  Say Y if you want the Plug and Play Layer to print debug messages. This is useful if you are developing a PnP driver or troubleshooting.
 
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Если вы хотите, что бы уровень Plug and Play выдавал отладочные сообщения, выбирайте Y. Это обычно используется при разработке PnP драйверов и для поиска ошибок.
  ISA Plug and Play support

  Say Y here if you would like support for ISA Plug and Play devices. Some information is in <file:Documentation/isapnp.txt>.

If unsure, say Y.

 
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Если вы хотите иметь поддержку PnP устройств на ISA шине, выбирайте Y. Информацию об этой возможности смотрите в документации file:Documentation/isapnp.txt.
  Plug and Play BIOS support

  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.

 
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    Plug and Play BIOS /proc interface

    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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  Plug and Play ACPI support

  Linux uses the PNPACPI to autodetect built-in mainboard resources (e.g. parallel port resources).

Some features (e.g. real hotplug) 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 PNPACPI can help prevent resource conflicts between mainboard devices and other bus devices.

 
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Параметры ядра Linux | Параметры ядра Linux:Device Drivers

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