Software • BIOS options
Chapter 4 Software
Automation PC 510 User's Manual V 1.01
113
1.7.2 Platform power management
InsydeH2O Setup Utility Rev. *
Power
If Enabled, the CLKRUN#
Logic will stop the PCI
Clocks
Platform Power Management
PCI Clock Run <Disabled>
_CST - C4 Latency Value <Disabled>
F1
F9
Esc
Enter
F10
Help Select Item
Change Values Setup Defaults
Exit Select Menu
Select SubMenu
Save and Exit
F5/F6
Image 61: US15W Power - Platform Power Management
BIOS setting
Meaning
Setting options
Effect
Enabled
Enables this function.
PCI Clock Run
Option for enabling / disabling the PCI Clocks to
save energy.
Disabled
Disables this function.
Enabled
Enables this function.
_CST - C4 Latency Value
1)
Option for enabling / disabling the latency period
for C4 C-States in the ACPI _CST object.
Information:
For more detailed information about
this setting, see the ACPI specification
).
Disabled
Disables this function.
Enabled
Processor is needed in C4 if the operating sys-
tem is initiated in a C3 state.
C4 on C3 - Deeper Sleep
2)
Fine-tunes the power saving function on an ACPI
operating system.
Disabled
Disables this function.
Table 114: US15W Power - Platform Power Management setting options
1)
These settings are only possible if
C-States
under the
Advanced CPU control
menu item is set to
Enabled
.
2)
These settings are only possible if
_CST - C4 latency value
is set to
Enabled
.