Power Management Features (Mode Transition); Mode Definitions - NEC Versa 2400 Series Service Manual

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2-20
General Specifications
Mode
Suspend To Disk
Battery Low
Condition
Battery Low / Low
Condition

POWER MANAGEMENT FEATURES (MODE TRANSITION)

The following table lists power management transition modes.
FROM/TO
FULLY-ON
Fully-On
X
Doze
3
Sleep
6
Suspend
8
O current Condition:
1.
Doze Mode Time-Out
2.
APM CPU-Idle
APM Power Management Event: System Suspend Request Notification
3.
Battery Low - Low Condition
4.
5.
Suspend Events Occurs
6.
Fully-On Activity Events Occur
Sleep Mode Time-Out
7.
Sleep Timer Disabled and Suspend Mode Time-Out
8.
9.
Battery Low - Low Condition
Table 2-20 Power Management Modes
Device
Timer
CPU State
Power System
Power-On Group
Activity Events
CPU State
LCD State
CPU State
System Power
Table 2-21 Mode Definitions
DOZE
1
X
X
X
Speed
Off/1/2/4/8/16 Min
Off
Off
Micro-Controller
Power Switch
CPU Clock/2
Backlight On (Lower 25%)
Off
Off
SLEEP
SUSPEND
X
2
4
5
X
7
X
X

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