Software • BIOS options
Chapter 4 Software
Panel PC 2100 swing arm user's manual V1.12
169
1.6.2.1 CPU power management
Figure 83: Advanced - CPU configuration - CPU power management
BIOS setting
Function
Configuration options
Effect
Disabled
Disables this function
Intel® SpeedStep™
Option for controlling Intel® SpeedStep™ Tech-
nology. The processor clock speed is increased
or decreased according to the number of calcu-
lations that must be made. As a result, the pow-
er consumption depends largely on the proces-
sor load.
Enabled
The processor speed is regulated by the oper-
ating system.
Max performance
Maximum CPU and graphics speed
Boot performance mode
Option for setting the CPU speed
Information:
This setting can be changed in ACPI
operating systems by activating Intel®
SpeedStep™ technology.
Max battery
Throttles down the CPU and graphics speed
Disabled
Disables this function
P state reduction
Option for reducing CPU performance and pow-
er usage.
by 1, 2, 3, 4, 5, 6, 7, 8
Performance is reduced by the configured value
depending on the CPU being used.
Disabled
Disables this function
C-States
This setting allows the operating system to set
the processor clock speed on its own, thereby
saving energy.
Enabled
Enables this function. Additional settings can be
selected.
C7
Maximum C-State C7. CPU voltage is switched
off completely.
C6
Maximum C-State C6. CPU voltage is reduced
to nearly 0 V.
Max C-States
1)
This setting monitors the maximum C-State that
the processor can support.
C1
Maximum C-State C1. Processor is in sleep
mode, switch between C0 and C1.
Table 181: Advanced - CPU configuration - CPU power management
1)
This setting is only possible if
C-States
is set to
Enabled
.