Intel G870 CM8062307260115 User Manual
Product codes
CM8062307260115
Power Management
46
Datasheet, Volume 1
shows an example package C-state resolution for a dual-core processor.
summarizes package C-state transitions.
Note:
1.
If enabled, the package C-state will be C1E if all actives cores have resolved a core C1 state or higher.
4.2.5.1
Package C0
The normal operating state for the processor. The processor remains in the normal
state when at least one of its cores is in the C0 or C1 state or when the platform has
not granted permission to the processor to go into a low power state. Individual cores
may be in lower power idle states while the package is in C0.
state when at least one of its cores is in the C0 or C1 state or when the platform has
not granted permission to the processor to go into a low power state. Individual cores
may be in lower power idle states while the package is in C0.
Table 4-6.
Coordination of Core Power States at the Package Level
Package C-State
Core 1
C0
C1
1
C3
C6
Core 0
C0
C0
C0
C0
C0
C1
1
C0
C1
1
C1
1
C1
1
C3
C0
C1
1
C3
C3
C6
C0
C1
1
C3
C6
Figure 4-3. Package C-State Entry and Exit
C0
C1
C6
C3