QG82945GSE S LB2R Intel, QG82945GSE S LB2R Datasheet - Page 383

• Manufacturer Part Number: QG82945GSE S LB2R
• Description: GRAPHICS AND MEM CNTRL HUB; No. of Pins: 998; Package / Case: FCBGA; Interface Type: PCI, SATA, USB
• Manufacturer: Intel

Functional Description
10.6.2.2
10.6.2.3
10.6.2.4
10.6.3
10.6.3.1
10.6.3.2
Datasheet
CPU
Internal Graphics Display Device Control
Internal Graphics Adapter
Interface Power States Supported
PCI Express Link States
Main Memory States
C1
C2
C3
C4
D1
D3
D3 Hot
D3 Cold
L0s
L1
L2/L3 Ready
L3
Precharge Power down
Active Power down
Self-Refresh
D0
D0
C0
Power up
L0
Low power state, low latency recovery, Standby display
Power off display
Auto Halt
Stop Clock. Clock stopped to CPU core.
Deep Sleep. Clock to CPU stopped.
Deeper Sleep. Same as C3 with reduced voltage on the CPU.
Graphics clocks off and display inactive as much as possible
Power off
First Active Power Management low power state – Low exit latency
Lowest Active Power Management - Longer exit latency
Lower link state with power applied – Long exit latency
Lowest power state (power off) – Longest exit latency
CKE deasserted (not self-refresh) with all banks closed
CKE deasserted (not self-refresh) with min. one bank active
CKE deasserted using device self-refresh
Full on – Active Transfer State
Full on, Display Active
CKE Asserted. Active Mode
Display Active
Full On
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