Advanced Configuration and Power Interface Specification

Advanced Configuration and Power Interface Specification
Figure 5-27 below provides structure organization overview of MPST table.
Memory Power
State Structure
Power State Value
(m0, M1, M2…)
Power State
Information Index
Memory Power
Node Structure
Flag, Mem Power Node Id ,
len etc ..
Address range (low, high
address bits , length low ,
high)
Memory Power State - 0
MPST Top
level Structure
Memory Power State
Characteristics Structure
Header etc..
Flags
Power State Value
(M0, M1, M2, …)
Memory Power State - M
Memory Power State
Command fields ...
Avg. Power Consumed
Power State
Information Index
(Memory Power Node
structure) MPN-0
Exit Latency
MPN-Y
Memory Power State
Characteristics (0)
Flags
Avg. Power Consumed
Flag, Mem Power Node Id ,
len etc ..
Address range (low, high
address bits , length low ,
high)
Memory Power State
Characteristics (M)
Exit Latency
Memory Power State - 0
Memory Power State - M
Figure 5-27 MPST ACPI Table Overview
172 April, 2015 Version 6.0