Documentation_power_apm-acpi

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以下为正文
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APM or ACPI?


APM或是ACPI？
------------


If you have a relatively recent x86 mobile, desktop, or server system,
odds are it supports either Advanced Power Management (APM) or
Advanced Configuration and Power Interface (ACPI).  ACPI is the newer
of the two technologies and puts power management in the hands of the
operating system, allowing for more intelligent power management than
is possible with BIOS controlled APM.


如果你近来有相关的x86移动、台式或是服务器系统，
（那么你会发现）几乎是它不是支持Advanced Power Management (APM高级电源管理)
就是Advanced Configuration and Power Interface (ACPI高级结构和电源接口)。
ACPI在两种技术中是较新的，它将电源管理放到了操作系统一面，
相对于可能是BIOS控制的APM，它允许有更智能的电源管理（策略）。




The best way to determine which, if either, your system supports is to
build a kernel with both ACPI and APM enabled (as of 2.3.x ACPI is
enabled by default).  If a working ACPI implementation is found, the
ACPI driver will override and disable APM, otherwise the APM driver
will be used.


如果哪个都支持，决定使用哪种（电源管理方式）最好的方法是，
你在编译内核时将ACPI和APM都激活。（这样），如果发现ACPI设备开始工作，
ACPI驱动会被优先执行，APM被禁止，否则，APM驱动将被使用。




No, sorry, you cannot have both ACPI and APM enabled and running at
once.  Some people with broken ACPI or broken APM implementations
would like to use both to get a full set of working features, but you
simply cannot mix and match the two.  Only one power management
interface can be in control of the machine at once.  Think about it..


不，对不起，你不能同时将ACPI和APM使能和运行。有些人有损坏的ACPI或是APM设备，
（这样）将来将会同时使用ACPI和APM来获取全面的工作机制，
但你不能简单的在（ACPI和APM）两者之间混淆和竞争。
在同一时间，只有一个电源管理接口可以控制这个设备。请考虑这一点。




User-space Daemons


用户空间的Daemons
------------------


Both APM and ACPI rely on user-space daemons, apmd and acpid
respectively, to be completely functional.  Obtain both of these
daemons from your Linux distribution or from the Internet (see below)
and be sure that they are started sometime in the system boot process.
Go ahead and start both.  If ACPI or APM is not available on your
system the associated daemon will exit gracefully.


APM和ACPI都要依赖用户空间的daemon程序，分别是apmd和acpid，功能才会完整。
从你的linux发行商或是Inter网（如下网址）获取这些daemons，
确信它们在系统启动的过程中已经被启动。
如果你的系统地ACPI或是APM是不可用的，相应的daemon程序将会自动友好的退出。


  apmd:   http://ftp.debian.org/pool/main/a/apmd/
  acpid:  http://acpid.sf.net/