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20 Information Update
CPU Information Screen
Table 1-4 updates the description for the Demand-Based Power Management
option.
Integrated Devices Screen
Table 1-5 lists new Integrated Devices screen options.
Table 1-4. CPU Information Screen
Option Description
Demand-Based Power
Management
(Enabled default)
NOTE: Check your operating system documentation to
verify if the operating system supports this feature.
Enables or disables demand-based power management.
When enabled, the CPU Performance State tables are
reported to the operating system; when disabled, the
CPU Performance State tables are notreported to the
operating system. If any of the CPUs do not support
demand-based power management, the field becomes
read-only, and is automatically set to Disabled.
Table 1-5. Integrated Devices Screen Options
Option Description
Internal USB Port
(On default)
Enables or disables the system’s internal USB port.
NOTE: You can only enable the internal USB port if the User
Accessible USB Ports option on this screen is set to All ports
On (the default value).
OS Watchdog
Timer
(Disabled default)
NOTE: This feature is usable only with operating systems that
support WDAT implementations of the Advanced Configuration and
Power Interface (ACPI) 3.0b specification. Microsoft
®
Windows
Server
®
2008 supports this feature, but Windows Server 2003
does not.
Sets a timer that monitors the operating system for activity and
aids in recovery if the system stops responding. When this field
is set to Enabled, the operating system is allowed to initialize
the timer. When set to Disabled, the timer is not initialized.