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For most systems, enabling Power Management at any level causes EIDE hard-disk
drives to switch to low-power mode after about 20 minutes of system inactivity.
NOTE: Not all EIDE hard-disk drives support this feature. Enabling this feature for
drives that do not support it may cause the EIDE drive to become inoperable until the
computer is restarted and Power Management is disabled.
In low-power mode, the disks inside the drive stop spinning. They remain idle until the
next drive access, which causes them to start spinning again. (Because the disks take
a few seconds to regain full speed, you may notice a slight delay when you next
access the hard-disk drive.)
When Power Management is Disabled (the default), the disks spin constantly as long
as the system is turned on.
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Wakeup On LAN determines whether the Wakeup On LAN feature is set. The set-
tings for Wakeup On LAN are:
Off
On (Add-in NIC)
On (Integrated NIC)
If On (Add-in NIC) or On (Integrated NIC) is set, the system can be started up by a
special local area network (LAN) signal from a server management console. Wakeup
On LAN capability also allows remote computer setup, BIOS upgrades, software
downloading and installation, file updates, and asset tracking after hours and on week-
ends when LAN traffic is typically at a minimum.
NOTE: The Wakeup On LAN feature functions even when the computer is turned off;
however, the computer must be plugged into a working electrical outlet at all times
and must be shut down in the normal method expected by the operating system.
Thus, if you disconnect the system power cable from its electrical outlet, if a power
failure occurs, or if you shut down the system abnormally, the Wakeup On LAN fea-
ture will not work.
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Disabled Never Never Never
Maximum 20 minutes 10 minutes 1 hour
Regular 20 minutes 20 minutes 1 hour
Minimum 20 minutes 1 hour Never
23186bk0.bk Page 16 Thursday, October 29, 1998 11:07 AM