Intel P4500 CP80617004803AA Data Sheet
Product codes
CP80617004803AA
Datasheet
39
Power Management
4.1.3
Integrated Memory Controller States
4.1.4
PCIe Link States
4.1.5
DMI States
4.1.6
Integrated Graphics Controller States
Table 4-7. Integrated Memory Controller States
State
Description
Power up
CKE asserted. Active mode.
Pre-charge Power down
CKE deasserted (not self-refresh) with all banks closed.
Active Power down
CKE deasserted (not self-refresh) with minimum one bank active.
Self-Refresh
CKE deasserted using device self-refresh.
Table 4-8. PCIe Link States
State
Description
L0
Full on Active transfer state.
L0s
First Active Power Management low power state Low exit latency.
L1
Lowest Active Power Management - Longer exit latency.
L3
Lowest power state (power-off) Longest exit latency.
Table 4-9. DMI States
State
Description
L0
Full on Active transfer state.
L0s
First Active Power Management low power state Low exit latency.
L1
Lowest Active Power Management - Longer exit latency.
L3
Lowest power state (power-off) Longest exit latency.
Table 4-10.Integrated Graphics Controller States
State
Description
D0
Full on, display active.
D3 Cold
Power-off.