Intel P4000 - DATASHEET REV 001 - Integrated Memory Controller States; Pcie Link States; DMI States; Integrated Graphics Controller States

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.